Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
155
FNUS51 KBOX 122011
FWFBOX
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
410 PM EDT Wed Aug 12 2026
.DISCUSSION...
Conditions become somewhat unsettled after midnight tonight into
Thursday morning, mainly south of I-90. Isolated showers and
thunderstorms are possible in the afternoon north of I-90, though
the chance remains low. These are expected to be relatively weak.
Minimum relative humidity values Thursday will range from 45 to
60 percent, with values of 60 to 75 percent along the south coast
and across Cape Cod and the Islands.
.Outlook...Friday through Monday...
A shower or thunderstorm is possible Friday as a cold front exits
the region, followed by drier conditions as high pressure builds
in for the weekend. Unsettled conditions return late Sunday into
Monday as low pressure moves out of the northern Great Lakes.
MAZ015-130800-
Suffolk MA-
Including the city of Boston
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mclear Clear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 30 30
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 65 (-2) 82 (-2) 62 85
RH % (24h trend) 87 (+3) 47 (+12) 81 38
20ft Wnd AM(mph) Lgt/Var NW 5
20ft Wnd PM(mph) Lgt/Var SW 5 Lgt/Var NW 6
Precip Amount 0.05 0.05 0.01 0.00
Precip Duration 1 1 1
Precip Begin 12 AM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 420 4310 440 7950
Transport Wnd (kts) W 7 W 9 W 8 NW 10
Vent Rate (kt-ft) 2940 38790 3520 79500
Max ADI Early 9 Poor 28 Fair 7 Poor 77 Good
Max ADI Late 6 Very Poor 35 Fair 5 Very Poor 88 Good
Max LVORI Early 4 2 3 1
Max LVORI Late 4 2 3 1
Min Vsby Early 10 10 9 9
Min Vsby Late 6 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 40 40 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs around 80. North winds around 5 mph,
becoming northeast in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds around 5 mph, becoming west after midnight.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds 5 to 10 mph, becoming northeast in the afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. Northeast winds 5 to 10 mph, becoming north after
midnight.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the mid 60s.
Highs around 80. Southwest winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s. Southwest winds
5 to 10 mph.
$$
MAZ016-130800-
Eastern Norfolk MA-
Including the city of Quincy
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mclear Clear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 30 30
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 65 (-1) 82 (-2) 62 85
RH % (24h trend) 84 (-3) 49 (+13) 78 37
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 5 Lgt/Var NW 5
Precip Amount 0.05 0.06 0.03 0.00
Precip Duration 1 1 1
Precip Begin 12 AM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 430 4490 440 7990
Transport Wnd (kts) SW 7 W 10 NW 9 NW 10
Vent Rate (kt-ft) 3010 44900 3960 79900
Max ADI Early 15 Gen Poor 35 Fair 20 Gen Poor 76 Good
Max ADI Late 7 Poor 43 Gen Good 5 Very Poor 93 Good
Max LVORI Early 4 2 3 1
Max LVORI Late 4 2 3 1
Min Vsby Early 10 10 9 9
Min Vsby Late 6 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 40 40 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
around 5 mph.
.SATURDAY...Sunny. Highs around 80. North winds around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph, becoming southwest after midnight.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds 5 to 10 mph, becoming northeast in the afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. Northeast winds 5 to 10 mph, becoming north after
midnight.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the mid 60s.
Highs in the lower 80s. Southwest winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s. Southwest winds
around 5 mph.
$$
MAZ013-130800-
Western Norfolk MA-
Including the cities of Foxborough and Norwood
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Mclear Mclear
Precip Type Showers Tstms Showers None
Chance Precip (%) 40 30 20
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 63 (0) 82 (-3) 58 84
RH % (24h trend) 93 (-4) 47 (+13) 87 38
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 5 Lgt/Var Lgt/Var
Precip Amount 0.06 0.06 0.05 0.00
Precip Duration 1 1 0
Precip Begin 11 PM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 400 4600 430 8080
Transport Wnd (kts) SW 6 W 10 NW 8 NW 12
Vent Rate (kt-ft) 2400 46000 3440 96960
Max ADI Early 43 Gen Good 34 Fair 35 Fair 85 Good
Max ADI Late 4 Very Poor 45 Gen Good 4 Very Poor 105 Very Good
Max LVORI Early 6 2 5 1
Max LVORI Late 6 2 5 1
Min Vsby Early 10 6 Fog 9 9
Min Vsby Late 6 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 50 50 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds around 5 mph, becoming northwest in the
afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. North winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. Southwest winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s. Southwest winds
around 5 mph.
$$
MAZ014-130800-
Southeast Middlesex MA-
Including the city of Cambridge
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Clear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 30 30
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 64 (-1) 83 (-2) 60 84
RH % (24h trend) 87 (+3) 47 (+12) 84 38
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 5 Lgt/Var NW 6
Precip Amount 0.05 0.06 0.02 0.00
Precip Duration 1 1 1
Precip Begin 1 AM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 430 4970 430 8030
Transport Wnd (kts) W 7 W 11 NW 8 NW 12
Vent Rate (kt-ft) 3010 54670 3440 96360
Max ADI Early 35 Fair 38 Fair 31 Fair 88 Good
Max ADI Late 4 Very Poor 48 Gen Good 4 Very Poor 105 Very Good
Max LVORI Early 5 1 4 1
Max LVORI Late 5 1 4 1
Min Vsby Early 10 10 9 9
Min Vsby Late 10 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 40 40 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph, becoming west after midnight.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph, becoming northwest in the
afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. North winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. Southwest winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s. Southwest winds
around 5 mph.
$$
MAZ007-130800-
Eastern Essex MA-
Including the city of Gloucester
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Mclear Clear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 30 30
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 64 (-1) 81 (0) 59 84
RH % (24h trend) 93 (-4) 49 (+13) 90 38
20ft Wnd AM(mph) Lgt/Var NW 5
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Precip Amount 0.03 0.06 0.03 0.00
Precip Duration 1 1 1
Precip Begin 12 AM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 420 3340 410 7050
Transport Wnd (kts) SW 8 SW 9 NW 5 NW 11
Vent Rate (kt-ft) 3360 30060 2050 77550
Max ADI Early 8 Poor 25 Fair 6 Very Poor 73 Good
Max ADI Late 5 Very Poor 26 Fair 5 Very Poor 89 Good
Max LVORI Early 5 3 4 1
Max LVORI Late 5 3 4 1
Min Vsby Early 10 10 7 9
Min Vsby Late 10 7 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 30 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows around 60. Northwest winds
5 to 10 mph.
.SATURDAY...Sunny. Highs in the upper 70s. North winds around
5 mph, becoming east in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph, becoming west after midnight.
.SUNDAY...Mostly sunny. Highs around 80. Southwest winds around
5 mph, becoming south in the afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds 5 to 10 mph, becoming southeast in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds 5 to 10 mph, becoming northwest after midnight.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the mid 60s.
Highs around 80. Southwest winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s. Southwest
winds 5 to 10 mph.
$$
MAZ006-130800-
Western Essex MA-
Including the city of Lawrence
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mclear Clear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 30 30
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 64 (+1) 82 (-2) 60 83
RH % (24h trend) 84 (-9) 51 (+15) 84 40
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Precip Amount 0.03 0.07 0.03 0.00
Precip Duration 1 1 1
Precip Begin 12 AM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 420 5050 420 7950
Transport Wnd (kts) W 4 SW 9 NW 9 NW 14
Vent Rate (kt-ft) 1680 45450 3780 111300
Max ADI Early 30 Fair 32 Fair 26 Fair 98 Good
Max ADI Late 4 Very Poor 46 Gen Good 5 Very Poor 105 Very Good
Max LVORI Early 5 1 4 1
Max LVORI Late 5 1 4 1
Min Vsby Early 10 10 6 Fog 9
Min Vsby Late 10 6 Fog 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 40 40 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Northwest winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. South winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds 5 to 10 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northwest
winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. Southwest winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s. Southwest winds
around 5 mph.
$$
MAZ005-130800-
Central Middlesex MA-
Including the cities of Framingham and Lowell
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 30 30
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 63 (0) 82 (-3) 58 84
RH % (24h trend) 90 (-7) 47 (+10) 87 40
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Precip Amount 0.04 0.05 0.02 0.00
Precip Duration 1 1 1
Precip Begin 11 PM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 420 5020 430 8060
Transport Wnd (kts) W 6 W 10 NW 8 NW 14
Vent Rate (kt-ft) 2520 50200 3440 112840
Max ADI Early 39 Fair 35 Fair 31 Fair 91 Good
Max ADI Late 4 Very Poor 47 Gen Good 4 Very Poor 105 Very Good
Max LVORI Early 5 2 5 1
Max LVORI Late 5 2 5 1
Min Vsby Early 10 10 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 40 40 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Northwest winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
West winds around 5 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Northwest winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. Southwest winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s. West winds
around 5 mph.
$$
MAZ012-130800-
Southern Worcester MA-
Including the cities of Milford and Worcester
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type Showers Tstms Showers None
Chance Precip (%) 40 30 20
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 63 (+1) 80 (-3) 60 82
RH % (24h trend) 93 (-7) 49 (+11) 87 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var W 5 Lgt/Var NW 5
Precip Amount 0.06 0.05 0.05 0.00
Precip Duration 1 1 0
Precip Begin 10 PM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 410 4970 430 7620
Transport Wnd (kts) W 6 W 11 NW 7 NW 12
Vent Rate (kt-ft) 2460 54670 3010 91440
Max ADI Early 36 Fair 30 Fair 36 Fair 79 Good
Max ADI Late 5 Very Poor 57 Gen Good 4 Very Poor 105 Very Good
Max LVORI Early 5 3 5 1
Max LVORI Late 5 3 5 1
Min Vsby Early 10 6 Fog 9 9
Min Vsby Late 6 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 50 50 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs around 80. Northwest winds around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. West winds around 5 mph, becoming northwest in the
afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. North winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. West winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s. West winds
around 5 mph.
$$
MAZ004-130800-
Northern Worcester MA-
Including the cities of Barre and Fitchburg
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 30 20
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 63 (+3) 80 (-1) 57 81
RH % (24h trend) 93 (-7) 49 (+11) 93 41
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var W 6 Lgt/Var NW 5
Precip Amount 0.04 0.04 0.02 0.00
Precip Duration 1 1 0
Precip Begin 11 PM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 430 4760 430 7450
Transport Wnd (kts) SW 6 W 12 NW 7 NW 13
Vent Rate (kt-ft) 2580 57120 3010 96850
Max ADI Early 28 Fair 30 Fair 32 Fair 79 Good
Max ADI Late 4 Very Poor 51 Gen Good 4 Very Poor 105 Very Good
Max LVORI Early 5 2 5 1
Max LVORI Late 5 2 5 1
Min Vsby Early 10 9 9 8
Min Vsby Late 8 10 8 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 30 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the mid 50s.
Highs in the upper 70s. West winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 50s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. West winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. Northwest winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the upper 50s.
Highs around 80. West winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s. West winds
around 5 mph.
$$
MAZ026-130800-
Northern Middlesex MA-
Including the city of Ayer
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Pcldy Mclear Clear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 30 30
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 63 (+2) 82 (-1) 58 83
RH % (24h trend) 87 (-10) 49 (+11) 84 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Precip Amount 0.03 0.05 0.02 0.00
Precip Duration 1 1 1
Precip Begin 1 AM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 420 4850 430 7910
Transport Wnd (kts) W 5 W 8 NW 7 NW 14
Vent Rate (kt-ft) 2100 38800 3010 110740
Max ADI Early 26 Fair 33 Fair 34 Fair 95 Good
Max ADI Late 4 Very Poor 52 Gen Good 4 Very Poor 105 Very Good
Max LVORI Early 5 1 4 1
Max LVORI Late 5 1 4 1
Min Vsby Early 10 10 9 9
Min Vsby Late 10 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 30 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the mid 50s.
Highs in the lower 80s. West winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 50s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. West winds around 5 mph, becoming northwest in the
afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. Northwest winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. West winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s. West winds
around 5 mph.
$$
MAZ002-130800-
Western Franklin MA-
Including the city of Charlemont
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 20 20
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 59 (+1) 78 (-1) 55 79
RH % (24h trend) 97 (-3) 52 (+11) 90 47
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.03 0.05 0.02 0.00
Precip Duration 1 1 0
Precip Begin 10 PM Continuing Continuing
Precip End Continuing Continuing 8 PM
Mixing Hgt (ft-AGL) 430 5130 430 6500
Transport Wnd (kts) SW 6 W 13 NW 7 NW 13
Vent Rate (kt-ft) 2580 66690 3010 84500
Max ADI Early 27 Fair 40 Fair 38 Fair 78 Good
Max ADI Late 4 Very Poor 62 Good 4 Very Poor 104 Very Good
Max LVORI Early 6 1 5 1
Max LVORI Late 6 1 5 1
Min Vsby Early 10 10 9 8
Min Vsby Late 10 8 8 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 30 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
50s. Highs in the mid 70s. West winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Southwest winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
upper 50s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the mid
70s. Northwest winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. Northwest winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s. West winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s. West winds
around 5 mph.
$$
MAZ003-130800-
Eastern Franklin MA-
Including the cities of Greenfield and Orange
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 30 20
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 61 (+2) 79 (-3) 55 82
RH % (24h trend) 97 (0) 52 (+12) 93 42
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var W 5 Lgt/Var NW 5
Precip Amount 0.03 0.05 0.02 0.00
Precip Duration 1 1 0
Precip Begin 10 PM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 420 4870 410 7160
Transport Wnd (kts) SW 4 W 11 NW 5 NW 12
Vent Rate (kt-ft) 1680 53570 2050 85920
Max ADI Early 23 Fair 29 Fair 26 Fair 74 Good
Max ADI Late 3 Very Poor 52 Gen Good 3 Very Poor 104 Very Good
Max LVORI Early 7 1 6 1
Max LVORI Late 7 1 6 1
Min Vsby Early 10 10 9 8
Min Vsby Late 10 10 8 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 30 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the mid 50s.
Highs in the upper 70s. Northwest winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows around
60. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. West winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. Northwest winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. West winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s. Southwest
winds around 5 mph.
$$
MAZ008-130800-
Western Hampshire MA-
Including the city of Chesterfield
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms Tstms None None
Chance Precip (%) 30 20 20
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 60 (+1) 78 (-1) 56 79
RH % (24h trend) 93 (0) 52 (+10) 90 47
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var W 5 Lgt/Var NW 5
Precip Amount 0.04 0.05 0.00 0.00
Precip Duration 1 1
Precip Begin 10 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt (ft-AGL) 430 5180 430 6500
Transport Wnd (kts) W 6 W 13 NW 7 NW 13
Vent Rate (kt-ft) 2580 67340 3010 84500
Max ADI Early 27 Fair 36 Fair 35 Fair 75 Good
Max ADI Late 4 Very Poor 87 Good 4 Very Poor 100 Good
Max LVORI Early 6 1 5 1
Max LVORI Late 6 1 5 1
Min Vsby Early 10 10 9 9
Min Vsby Late 10 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 30 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
50s. Highs in the mid 70s. West winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
upper 50s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the mid
70s. Northwest winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. Northwest winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s. West winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs around 80. West winds around
5 mph.
$$
MAZ010-130800-
Eastern Hampshire MA-
Including the cities of Amherst and Northampton
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms Tstms Showers None
Chance Precip (%) 40 30 20
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 62 (+2) 80 (-3) 56 83
RH % (24h trend) 93 (-4) 51 (+12) 93 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var W 7 Lgt/Var NW 6
Precip Amount 0.05 0.04 0.01 0.00
Precip Duration 1 1 0
Precip Begin 10 PM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 410 5170 400 6900
Transport Wnd (kts) W 5 W 11 NW 5 NW 11
Vent Rate (kt-ft) 2050 56870 2000 75900
Max ADI Early 26 Fair 26 Fair 28 Fair 65 Good
Max ADI Late 3 Very Poor 57 Gen Good 3 Very Poor 93 Good
Max LVORI Early 6 2 6 1
Max LVORI Late 6 2 6 1
Min Vsby Early 10 9 9 9
Min Vsby Late 7 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 30 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the mid 50s.
Highs around 80. Northwest winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
West winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. North winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows around 60. Highs
in the lower 80s. Southwest winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s. West winds
around 5 mph.
$$
MAZ009-130800-
Western Hampden MA-
Including the city of Blandford
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms Showers None None
Chance Precip (%) 30 30 10
Chance of Thunder (%) 10 0 0 0
Temp (24h trend) 61 (+1) 79 (-1) 57 81
RH % (24h trend) 97 (+4) 51 (+10) 90 47
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var W 6 Lgt/Var NW 5
Precip Amount 0.08 0.03 0.00 0.00
Precip Duration 1 1
Precip Begin 10 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt (ft-AGL) 410 5220 430 6730
Transport Wnd (kts) W 6 W 14 NW 8 NW 12
Vent Rate (kt-ft) 2460 73080 3440 80760
Max ADI Early 28 Fair 36 Fair 48 Gen Good 73 Good
Max ADI Late 4 Very Poor 95 Good 5 Very Poor 99 Good
Max LVORI Early 6 2 5 1
Max LVORI Late 6 2 5 1
Min Vsby Early 10 7 9 9
Min Vsby Late 6 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 50 50 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the mid 50s.
Highs in the upper 70s. West winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows around
60. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Northwest winds around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the upper 50s.
Highs around 80. West winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s. West winds
around 5 mph.
$$
MAZ011-130800-
Eastern Hampden MA-
Including the city of Springfield
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms Tstms None None
Chance Precip (%) 40 30 20
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 63 (+2) 82 (-1) 58 84
RH % (24h trend) 93 (-7) 49 (+12) 96 41
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var W 7 Lgt/Var NW 5
Precip Amount 0.11 0.05 0.00 0.00
Precip Duration 1 1
Precip Begin 10 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt (ft-AGL) 400 5360 390 7030
Transport Wnd (kts) W 5 W 12 NW 5 NW 11
Vent Rate (kt-ft) 2000 64320 1950 77330
Max ADI Early 30 Fair 22 Fair 34 Fair 68 Good
Max ADI Late 4 Very Poor 56 Gen Good 4 Very Poor 93 Good
Max LVORI Early 6 2 6 1
Max LVORI Late 6 2 6 1
Min Vsby Early 10 6 Fog 9 9
Min Vsby Late 6 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 80 80 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
West winds around 5 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. North winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows around 60. Highs
in the lower 80s. Southwest winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s. West winds
around 5 mph.
$$
CTZ002-130800-
Hartford CT-
Including the cities of Hartford and Windsor Locks
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms Showers None None
Chance Precip (%) 50 40 10
Chance of Thunder (%) 10 0 0 0
Temp (24h trend) 64 (+2) 83 (-1) 61 84
RH % (24h trend) 93 (-7) 46 (+10) 87 41
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var W 5 Lgt/Var Lgt/Var
Precip Amount 0.18 0.06 0.00 0.00
Precip Duration 2 1
Precip Begin 9 PM Continuing
Precip End Continuing 9 AM
Mixing Hgt (ft-AGL) 390 4850 400 7130
Transport Wnd (kts) SW 5 W 12 NW 6 NW 11
Vent Rate (kt-ft) 1950 58200 2400 78430
Max ADI Early 36 Fair 27 Fair 38 Fair 67 Good
Max ADI Late 4 Very Poor 54 Gen Good 4 Very Poor 95 Good
Max LVORI Early 5 2 4 1
Max LVORI Late 5 2 4 1
Min Vsby Early 10 5 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. Northwest winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Northwest winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s. West winds around 5 mph.
$$
CTZ003-130800-
Tolland CT-
Including the cities of Union and Vernon
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mclear Mclear
Precip Type Tstms Tstms None None
Chance Precip (%) 50 40 10
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 64 (+3) 82 (-1) 60 83
RH % (24h trend) 93 (-7) 49 (+11) 87 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var W 6 Lgt/Var NW 5
Precip Amount 0.16 0.06 0.00 0.00
Precip Duration 1 1
Precip Begin 10 PM Continuing
Precip End Continuing 4 PM
Mixing Hgt (ft-AGL) 410 4570 400 6650
Transport Wnd (kts) SW 7 W 11 NW 6 NW 11
Vent Rate (kt-ft) 2870 50270 2400 73150
Max ADI Early 33 Fair 26 Fair 36 Fair 71 Good
Max ADI Late 4 Very Poor 58 Gen Good 4 Very Poor 90 Good
Max LVORI Early 6 3 5 1
Max LVORI Late 6 3 5 1
Min Vsby Early 10 6 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
around 5 mph.
.SATURDAY...Sunny. Highs around 80. North winds around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph, becoming southwest after midnight.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
West winds 5 to 10 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. North winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows around 60. Highs
in the lower 80s. Southwest winds around 5 mph.
$$
CTZ004-130800-
Windham CT-
Including the cities of Putnam and Willimantic
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Mclear Mclear
Precip Type Tstms Tstms None None
Chance Precip (%) 50 40 10
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 64 (+2) 81 (-2) 60 83
RH % (24h trend) 93 (-7) 52 (+14) 87 46
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var W 5 Lgt/Var Lgt/Var
Precip Amount 0.13 0.06 0.00 0.00
Precip Duration 1 1
Precip Begin 10 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt (ft-AGL) 390 4440 400 6670
Transport Wnd (kts) W 6 W 12 NW 7 NW 12
Vent Rate (kt-ft) 2340 53280 2800 80040
Max ADI Early 33 Fair 27 Fair 35 Fair 70 Good
Max ADI Late 4 Very Poor 58 Gen Good 4 Very Poor 100 Good
Max LVORI Early 6 3 5 1
Max LVORI Late 6 3 5 1
Min Vsby Early 10 6 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
around 5 mph.
.SATURDAY...Sunny. Highs around 80. North winds around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
West winds around 5 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. North winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows around 60. Highs
in the lower 80s. West winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s. West winds
around 5 mph.
$$
RIZ001-130800-
Northwest Providence RI-
Including the cities of Foster and Smithfield
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Mclear Mclear
Precip Type Tstms Tstms Showers None
Chance Precip (%) 50 40 20
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 63 (0) 81 (-2) 60 82
RH % (24h trend) 93 (-7) 51 (+14) 84 44
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var W 5 Lgt/Var Lgt/Var
Precip Amount 0.11 0.07 0.07 0.00
Precip Duration 1 1 0
Precip Begin 10 PM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 400 4460 410 7110
Transport Wnd (kts) W 7 W 13 NW 7 NW 12
Vent Rate (kt-ft) 2800 57980 2870 85320
Max ADI Early 45 Gen Good 30 Fair 34 Fair 76 Good
Max ADI Late 5 Very Poor 55 Gen Good 4 Very Poor 103 Very Good
Max LVORI Early 6 3 4 1
Max LVORI Late 6 3 4 1
Min Vsby Early 10 6 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 90 90 40 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs around 80. North winds around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. West winds around 5 mph, becoming northwest in the
afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. North winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. Southwest winds around 5 mph.
$$
RIZ002-130800-
Southeast Providence RI-
Including the city of Providence
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Mclear Mclear
Precip Type Tstms Tstms Showers None
Chance Precip (%) 40 40 20
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 64 (0) 82 (-2) 62 83
RH % (24h trend) 90 (-10) 51 (+15) 81 41
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 5 Lgt/Var Lgt/Var
Precip Amount 0.14 0.10 0.12 0.00
Precip Duration 1 1 0
Precip Begin 11 PM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 400 4210 430 7120
Transport Wnd (kts) W 7 W 11 NW 8 NW 11
Vent Rate (kt-ft) 2800 46310 3440 78320
Max ADI Early 41 Gen Good 32 Fair 31 Fair 76 Good
Max ADI Late 5 Very Poor 49 Gen Good 4 Very Poor 103 Very Good
Max LVORI Early 5 3 4 1
Max LVORI Late 5 3 4 1
Min Vsby Early 10 6 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 80 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds 5 to 10 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. North winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
RIZ003-130800-
Western Kent RI-
Including the cities of Coventry and West Greenwich
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Mclear Mclear
Precip Type Tstms Tstms None None
Chance Precip (%) 50 40 10
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 65 (+1) 81 (-2) 62 82
RH % (24h trend) 87 (-13) 54 (+16) 81 44
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 5 Lgt/Var Lgt/Var
Precip Amount 0.19 0.12 0.00 0.00
Precip Duration 1 1
Precip Begin 10 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt (ft-AGL) 400 4070 400 6820
Transport Wnd (kts) W 6 W 12 NW 7 NW 11
Vent Rate (kt-ft) 2400 48840 2800 75020
Max ADI Early 32 Fair 30 Fair 35 Fair 72 Good
Max ADI Late 5 Very Poor 50 Gen Good 5 Very Poor 98 Good
Max LVORI Early 5 3 4 1
Max LVORI Late 5 3 4 1
Min Vsby Early 10 5 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the upper 70s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. Southwest winds
5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 5 to 10 mph, becoming northwest in the
afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. North winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. Southwest winds around 5 mph.
$$
RIZ004-130800-
Eastern Kent RI-
Including the cities of East Greenwich, Warwick, and West Warwick
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Mclear Mclear
Precip Type Tstms Tstms Showers None
Chance Precip (%) 40 40 20
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 67 (+1) 82 (-2) 64 83
RH % (24h trend) 84 (-13) 53 (+16) 76 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 5 Lgt/Var NW 5
Precip Amount 0.20 0.14 0.07 0.00
Precip Duration 1 1 0
Precip Begin 11 PM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 410 4080 430 6930
Transport Wnd (kts) W 7 W 11 NW 7 NW 10
Vent Rate (kt-ft) 2870 44880 3010 69300
Max ADI Early 29 Fair 32 Fair 30 Fair 74 Good
Max ADI Late 5 Very Poor 46 Gen Good 5 Very Poor 90 Good
Max LVORI Early 4 3 3 1
Max LVORI Late 4 3 3 1
Min Vsby Early 10 5 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows around 60. Northwest winds
around 5 mph.
.SATURDAY...Sunny. Highs around 80. Northwest winds around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. Southwest winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs around 80. Southwest winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 5 to 10 mph, becoming northwest in the
afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. North winds 5 to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
RIZ005-130800-
Bristol RI-
Including the city of Bristol
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mclear
Precip Type Tstms Tstms Showers None
Chance Precip (%) 40 40 20
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 66 (-1) 81 (-2) 64 83
RH % (24h trend) 90 (0) 58 (+15) 81 44
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 6 Lgt/Var W 5
Precip Amount 0.20 0.16 0.18 0.00
Precip Duration 1 1 0
Precip Begin 11 PM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 410 3800 430 6890
Transport Wnd (kts) W 7 SW 10 NW 8 NW 9
Vent Rate (kt-ft) 2870 38000 3440 62010
Max ADI Early 26 Fair 26 Fair 20 Gen Poor 71 Good
Max ADI Late 5 Very Poor 42 Gen Good 4 Very Poor 81 Good
Max LVORI Early 5 3 4 1
Max LVORI Late 5 3 4 1
Min Vsby Early 10 5 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 90 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs around 80. Northwest winds around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs around 80. Southwest winds around
5 mph, increasing to south 10 to 15 mph in the afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 10 to 15 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds 5 to 10 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. North winds 5 to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 60s.
Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
RIZ006-130800-
Washington RI-
Including the cities of Narragansett and Westerly
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mclear
Precip Type Tstms Tstms None None
Chance Precip (%) 50 40 10
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 66 (+1) 81 (-1) 62 83
RH % (24h trend) 90 (-10) 56 (+16) 84 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 6 Lgt/Var W 5
Precip Amount 0.19 0.13 0.00 0.00
Precip Duration 1 1
Precip Begin 10 PM Continuing
Precip End Continuing 11 AM
Mixing Hgt (ft-AGL) 410 3630 420 6180
Transport Wnd (kts) W 7 W 11 NW 8 W 10
Vent Rate (kt-ft) 2870 39930 3360 61800
Max ADI Early 15 Gen Poor 31 Fair 24 Fair 58 Gen Good
Max ADI Late 6 Very Poor 41 Gen Good 5 Very Poor 73 Good
Max LVORI Early 5 3 4 1
Max LVORI Late 5 3 4 1
Min Vsby Early 10 5 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds 5 to 10 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. North winds 5 to
10 mph, becoming west in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. Southwest winds
around 5 mph, increasing to south 10 to 15 mph in the afternoon.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 10 to 15 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 10 to 15 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. North winds 5 to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 60s.
Highs around 80. Southwest winds 5 to 10 mph.
$$
RIZ007-130800-
Newport RI-
Including the city of Newport
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Clear
Precip Type Tstms Tstms None None
Chance Precip (%) 40 40 20
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 66 (-2) 79 (-2) 63 82
RH % (24h trend) 93 (-7) 64 (+21) 87 41
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) SW 5 SW 7 W 5 W 6
Precip Amount 0.21 0.18 0.00 0.00
Precip Duration 1 1
Precip Begin 11 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt (ft-AGL) 430 2560 430 5580
Transport Wnd (kts) W 7 SW 11 N 8 W 9
Vent Rate (kt-ft) 3010 28160 3440 50220
Max ADI Early 10 Poor 28 Fair 12 Poor 56 Gen Good
Max ADI Late 6 Very Poor 33 Fair 5 Very Poor 57 Gen Good
Max LVORI Early 5 3 4 1
Max LVORI Late 5 3 4 1
Min Vsby Early 10 5 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. West winds
5 to 10 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. North winds 5 to
10 mph, becoming northwest in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 60s.
Highs in the upper 70s. South winds 10 to 15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the upper 60s. Highs in the upper 70s. South winds 10 to
15 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. Northeast winds 5 to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 60s.
Highs around 80. Southwest winds 5 to 10 mph.
$$
RIZ008-130800-
Block Island RI-
Including the city of New Shoreham
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mclear
Precip Type Tstms Tstms None None
Chance Precip (%) 50 40 10
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 69 (0) 77 (-1) 67 78
RH % (24h trend) 90 (-7) 82 (+18) 87 64
20ft Wnd AM(mph) SW 6 N 5
20ft Wnd PM(mph) SW 7 SW 8 W 7 W 7
Precip Amount 0.16 0.14 0.00 0.00
Precip Duration 1 1
Precip Begin 11 PM Continuing
Precip End Continuing 11 AM
Mixing Hgt (ft-AGL) 420 1540 430 1070
Transport Wnd (kts) SW 11 SW 14 W 11 NW 6
Vent Rate (kt-ft) 4620 21560 4730 6420
Max ADI Early 13 Gen Poor 31 Fair 13 Gen Poor 12 Poor
Max ADI Late 11 Poor 28 Fair 11 Poor 12 Poor
Max LVORI Early 5 4 4 3
Max LVORI Late 5 4 4 3
Min Vsby Early 10 5 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. West winds
5 to 10 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs in the mid 70s. North winds 5 to 10 mph,
becoming south in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. Southwest
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. Southwest winds
5 to 10 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the upper 60s. Highs in the upper 70s. Southwest winds
around 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 60s. North winds 5 to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 60s.
Highs in the mid 70s. Southwest winds 5 to 10 mph.
$$
MAZ017-130800-
Northern Bristol MA-
Including the city of Taunton
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Mclear Mclear
Precip Type Tstms Tstms Showers None
Chance Precip (%) 40 30 20
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 62 (-1) 82 (-3) 59 83
RH % (24h trend) 93 (-7) 51 (+13) 90 41
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 5 Lgt/Var Lgt/Var
Precip Amount 0.09 0.09 0.06 0.00
Precip Duration 1 1 0
Precip Begin 11 PM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 400 4140 430 7300
Transport Wnd (kts) SW 6 W 10 NW 7 NW 11
Vent Rate (kt-ft) 2400 41400 3010 80300
Max ADI Early 37 Fair 31 Fair 26 Fair 77 Good
Max ADI Late 4 Very Poor 44 Gen Good 4 Very Poor 105 Very Good
Max LVORI Early 6 3 5 1
Max LVORI Late 6 3 5 1
Min Vsby Early 10 6 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 80 80 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. North winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph, becoming west after midnight.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds around 5 mph, becoming northwest in the
afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. North winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. Southwest winds around 5 mph.
$$
MAZ018-130800-
Western Plymouth MA-
Including the city of Brockton
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mclear
Precip Type Showers Tstms Showers None
Chance Precip (%) 40 30 20
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 64 (0) 82 (-2) 59 83
RH % (24h trend) 93 (-4) 54 (+16) 90 41
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.07 0.09 0.10 0.00
Precip Duration 1 1 0
Precip Begin 12 AM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 420 3920 430 7510
Transport Wnd (kts) SW 7 W 11 NW 8 NW 11
Vent Rate (kt-ft) 2940 43120 3440 82610
Max ADI Early 29 Fair 37 Fair 22 Fair 82 Good
Max ADI Late 4 Very Poor 45 Gen Good 4 Very Poor 104 Very Good
Max LVORI Early 5 3 5 1
Max LVORI Late 5 3 5 1
Min Vsby Early 10 6 Fog 9 9
Min Vsby Late 6 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 60 60 40 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs around 80. North winds around 5 mph.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the upper
50s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds 5 to 10 mph, becoming southeast in the afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Northeast winds around 5 mph, becoming north after
midnight.
.TUESDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming northeast around 5 mph in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
60s. Highs in the mid 80s. Southwest winds around 5 mph.
$$
MAZ019-130800-
Eastern Plymouth MA-
Including the city of Plymouth
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mclear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 30 20
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 66 (0) 80 (-1) 62 82
RH % (24h trend) 90 (-7) 54 (+17) 87 40
20ft Wnd AM(mph) Lgt/Var NW 5
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.06 0.09 0.05 0.00
Precip Duration 1 1 0
Precip Begin 12 AM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 420 2980 420 6090
Transport Wnd (kts) S 7 SW 10 SW 6 NW 9
Vent Rate (kt-ft) 2940 29800 2520 54810
Max ADI Early 8 Poor 29 Fair 8 Poor 65 Good
Max ADI Late 6 Very Poor 30 Fair 5 Very Poor 71 Good
Max LVORI Early 4 3 4 2
Max LVORI Late 4 3 4 2
Min Vsby Early 10 6 Fog 9 9
Min Vsby Late 6 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 50 50 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northwest
winds around 5 mph.
.SATURDAY...Sunny. Highs in the upper 70s. North winds around
5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds around 5 mph, becoming southwest after midnight.
.SUNDAY...Mostly sunny. Highs around 80. Southwest winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 5 to 10 mph, becoming southeast in the
afternoon.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. East winds 5 to 10 mph, becoming north after
midnight.
.TUESDAY...Sunny. Highs in the upper 70s. North winds around
5 mph, becoming east in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
around 5 mph, becoming southwest after midnight.
.WEDNESDAY...Sunny. Highs in the lower 80s. Southwest winds 5 to
10 mph.
$$
MAZ020-130800-
Southern Bristol MA-
Including the cities of Fall River and New Bedford
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mclear
Precip Type Tstms Tstms Showers None
Chance Precip (%) 40 30 20
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 65 (-1) 81 (-2) 60 85
RH % (24h trend) 93 (-7) 56 (+16) 90 41
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 6 Lgt/Var W 5
Precip Amount 0.19 0.18 0.07 0.00
Precip Duration 1 1 0
Precip Begin 12 AM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 420 3710 430 6860
Transport Wnd (kts) SW 7 W 11 NW 8 W 10
Vent Rate (kt-ft) 2940 40810 3440 68600
Max ADI Early 19 Gen Poor 34 Fair 21 Fair 68 Good
Max ADI Late 4 Very Poor 45 Gen Good 4 Very Poor 84 Good
Max LVORI Early 6 3 5 1
Max LVORI Late 6 3 5 1
Min Vsby Early 10 5 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 30 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows around 60. West winds 5 to
10 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs around 80. North winds 5 to 10 mph.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the lower
60s. Highs in the upper 70s. South winds 10 to 15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the upper 70s. South winds 10 to
15 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Northeast winds 5 to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 60s.
Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
MAZ021-130800-
Southern Plymouth MA-
Including the city of Mattapoisett
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mclear
Precip Type Tstms Tstms Showers None
Chance Precip (%) 30 30 20
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 65 (-1) 80 (-3) 61 84
RH % (24h trend) 90 (-3) 62 (+19) 90 41
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var SW 5 Lgt/Var W 5
Precip Amount 0.16 0.17 0.04 0.00
Precip Duration 1 1 0
Precip Begin 12 AM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 420 3540 430 6950
Transport Wnd (kts) SW 7 SW 12 NW 8 W 11
Vent Rate (kt-ft) 2940 42480 3440 76450
Max ADI Early 14 Gen Poor 40 Fair 19 Gen Poor 73 Good
Max ADI Late 4 Very Poor 47 Gen Good 4 Very Poor 89 Good
Max LVORI Early 6 3 5 1
Max LVORI Late 6 3 5 1
Min Vsby Early 10 5 Fog 9 9
Min Vsby Late 5 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows around 60. West winds 5 to
10 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. North winds around
5 mph.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the lower
60s. Highs around 80. Southwest winds 10 to 15 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 10 to 15 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. South winds 10 to 15 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. East winds 5 to 10 mph, becoming north after
midnight.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s.
Highs around 80. West winds around 5 mph.
.WEDNESDAY...Sunny. Highs in the lower 80s. Southwest winds 5 to
10 mph.
$$
MAZ022-130800-
Barnstable MA-
Including the cities of Chatham, Falmouth, and Provincetown
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mclear
Precip Type Showers Tstms Showers None
Chance Precip (%) 30 40 20
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 66 (-3) 77 (-3) 64 81
RH % (24h trend) 97 (-3) 71 (+30) 93 47
20ft Wnd AM(mph) Lgt/Var NW 5
20ft Wnd PM(mph) Lgt/Var SW 5 Lgt/Var Lgt/Var
Precip Amount 0.13 0.22 0.02 0.00
Precip Duration 1 1 0
Precip Begin 1 AM Continuing Continuing
Precip End Continuing Continuing 9 PM
Mixing Hgt (ft-AGL) 410 2510 460 5400
Transport Wnd (kts) S 8 SW 14 W 9 NW 9
Vent Rate (kt-ft) 3280 35140 4140 48600
Max ADI Early 9 Poor 35 Fair 16 Gen Poor 60 Gen Good
Max ADI Late 8 Poor 41 Gen Good 5 Very Poor 58 Gen Good
Max LVORI Early 5 4 5 2
Max LVORI Late 5 4 5 2
Min Vsby Early 10 5 Fog 9 9
Min Vsby Late 5 Fog 8 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southwest
winds around 5 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs in the mid 70s. North winds 5 to 10 mph.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 60s.
Highs in the upper 70s. Southwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. Southwest winds 10 to 15 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. South winds 10 to 15 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. East winds 5 to 10 mph, becoming north after
midnight.
.TUESDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. South
winds around 5 mph, becoming southwest after midnight.
.WEDNESDAY...Sunny. Highs around 80. Southwest winds 5 to 10 mph.
$$
MAZ023-130800-
Dukes MA-
Including the city of Vineyard Haven
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Mclear Mclear
Precip Type Tstms Tstms None None
Chance Precip (%) 20 40 10
Chance of Thunder (%) 10 10 0 0
Temp (24h trend) 65 (-5) 77 (-3) 62 82
RH % (24h trend) 97 (-3) 79 (+25) 100 46
20ft Wnd AM(mph) SW 6 NW 6
20ft Wnd PM(mph) SW 5 SW 9 W 7 W 6
Precip Amount 0.11 0.20 0.00 0.00
Precip Duration 1 1
Precip Begin 1 AM Continuing
Precip End Continuing 12 PM
Mixing Hgt (ft-AGL) 420 2070 440 4300
Transport Wnd (kts) SW 10 SW 17 NW 11 NW 9
Vent Rate (kt-ft) 4200 35190 4840 38700
Max ADI Early 11 Poor 34 Fair 19 Gen Poor 48 Gen Good
Max ADI Late 11 Poor 42 Gen Good 8 Poor 50 Gen Good
Max LVORI Early 5 4 5 2
Max LVORI Late 5 4 5 2
Min Vsby Early 10 5 Fog 9 9
Min Vsby Late 6 Fog 10 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 100 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. West winds
5 to 10 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 60s.
Highs in the upper 70s. Southwest winds 10 to 15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the upper 60s. Highs in the upper 70s. South winds 10 to
15 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. East winds 10 to 15 mph, becoming north 5 to
10 mph after midnight.
.TUESDAY...Sunny. Highs in the upper 70s. North winds 5 to
10 mph, becoming southeast in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. South
winds 5 to 10 mph, becoming southwest after midnight.
.WEDNESDAY...Sunny. Highs in the upper 70s. Southwest winds 5 to
10 mph.
$$
MAZ024-130800-
Nantucket MA-
Including the city of Nantucket
410 PM EDT Wed Aug 12 2026
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Clear
Precip Type Tstms Tstms None None
Chance Precip (%) 20 40 10
Chance of Thunder (%) 0 10 0 0
Temp (24h trend) 66 (-4) 75 (-3) 65 80
RH % (24h trend) 93 (-4) 76 (+14) 100 56
20ft Wnd AM(mph) W 7 N 7
20ft Wnd PM(mph) Lgt/Var SW 9 W 7 W 5
Precip Amount 0.03 0.11 0.00 0.00
Precip Duration 1 1
Precip Begin 1 AM Continuing
Precip End Continuing 12 PM
Mixing Hgt (ft-AGL) 550 1960 750 2440
Transport Wnd (kts) SW 11 SW 15 W 14 N 11
Vent Rate (kt-ft) 6050 29400 10500 26840
Max ADI Early 8 Poor 29 Fair 25 Fair 37 Fair
Max ADI Late 13 Gen Poor 35 Fair 10 Poor 27 Fair
Max LVORI Early 5 4 5 3
Max LVORI Late 5 4 5 3
Min Vsby Early 10 6 Fog 8 9
Min Vsby Late 10 10 8 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 50 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest
winds around 5 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs in the mid 70s. North winds 5 to 10 mph.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the upper
60s. Highs in the upper 70s. Southwest winds 10 to 15 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. South winds 10 to 15 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 10 to 15 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. East winds 10 to 15 mph, becoming northeast after
midnight.
.TUESDAY...Sunny. Highs in the mid 70s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. South
winds 5 to 10 mph, becoming southwest after midnight.
.WEDNESDAY...Sunny. Highs in the upper 70s. Southwest winds 5 to
10 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures near normal. Precipitation near normal.
$$
For the latest updates...please visit our webpage at
www.weather.gov/boston
You can follow us on Facebook at
www.facebook.com/us.nationalweatherservice.boston.gov
You can follow us on Twitter at
@NWSBoston