Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
873
FNUS51 KBOX 120809
FWFBOX
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
409 AM EDT Sat Sep 12 2026
.DISCUSSION...
Plenty of sunshine today with highs well into the 70s. Winds will
become southerly at 6 to 12 mph except for sea breezes along much
of the immediate coast. Minimum afternoon relative humidity
values will drop to between 35 and 45 percent...except 50 to
65 percent along much of the immediate coast.
.Outlook...Sunday through Thursday...
A warm front will bring showers and possibly a few embedded
thunderstorms with torrential rainfall on Sunday. Widespread
rainfall totals of 0.50" to 1.50" are expected...But narrow
localized bands of 2"-4" of rain are possible across portions of
Rhode Island and southeast Massachusetts.
Any lingering scattered showers depart early Mon. Otherwise
dry/seasonable weather is on tap for Mon and Tue. However...a
brief bout of summer warmth and humidity is possible Wed and/or
Thu ahead of a cold front.
MAZ015-122000-
Suffolk MA-
Including the city of Boston
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 75 (-3) 60 (+2) 74
RH % (24h trend) 40 (+10) 100 (+14) 79
20ft Wnd AM(mph) Lgt/Var S 6
20ft Wnd PM(mph) SE 7 S 7 SE 5
Precip Amount 0.00 0.00 0.77
Precip Duration 7
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 3790 450 1490
Transport Wnd (kts) SE 8 S 10 SW 10
Vent Rate (kt-ft) 30320 4500 14900
Max ADI Early 22 Fair 15 Gen Poor 21 Fair
Max ADI Late 30 Fair 10 Poor 20 Gen Poor
Max LVORI Early 2 6 4
Max LVORI Late 2 6 4
Min Vsby Early 9 9 3 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
East winds around 5 mph, becoming west after midnight.
.MONDAY...Mostly sunny. Highs in the mid 70s. Northwest winds
10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the lower 50s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the mid 60s. Northeast winds 5 to
10 mph, becoming east in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds 5 to 10 mph, becoming southwest after midnight.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Warmer. Lows
56 to 62. Highs in the upper 70s. Southwest winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. West
winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds 5 to
10 mph.
$$
MAZ016-122000-
Eastern Norfolk MA-
Including the city of Quincy
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 10 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 74 (-4) 60 (+3) 75
RH % (24h trend) 41 (+7) 100 (+13) 79
20ft Wnd AM(mph) Lgt/Var S 6
20ft Wnd PM(mph) SE 6 S 8 SE 5
Precip Amount 0.00 0.00 0.87
Precip Duration 7
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 4410 430 1390
Transport Wnd (kts) SE 7 S 10 SW 10
Vent Rate (kt-ft) 30870 4300 13900
Max ADI Early 22 Fair 19 Gen Poor 22 Fair
Max ADI Late 36 Fair 10 Poor 22 Fair
Max LVORI Early 2 7 4
Max LVORI Late 2 7 4
Min Vsby Early 9 9 3 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
Southeast winds around 5 mph, becoming west around 5 mph after
midnight.
.MONDAY...Mostly sunny. Highs in the mid 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
5 to 10 mph.
.TUESDAY...Sunny. Highs in the mid 60s. Northeast winds around
5 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph, becoming southwest after midnight.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Warmer. Lows
54 to 61. Highs in the upper 70s. Southwest winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. West
winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds 5 to
10 mph.
$$
MAZ013-122000-
Western Norfolk MA-
Including the cities of Foxborough and Norwood
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Cloudy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 76 (-1) 59 (+8) 74
RH % (24h trend) 37 (+4) 100 (0) 81
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.94
Precip Duration 8
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 4700 420 1450
Transport Wnd (kts) S 7 S 8 SW 11
Vent Rate (kt-ft) 32900 3360 15950
Max ADI Early 17 Gen Poor 30 Fair 20 Gen Poor
Max ADI Late 43 Gen Good 6 Very Poor 21 Fair
Max LVORI Early 2 9 4
Max LVORI Late 2 9 4
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
Northeast winds around 5 mph, becoming west after midnight.
.MONDAY...Mostly sunny. Highs in the mid 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the upper 40s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. North winds around
5 mph, becoming east around 5 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast
winds around 5 mph, becoming southwest after midnight.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s. Southwest
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows around 60. Highs around 80. West winds around
5 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds around
5 mph.
$$
MAZ014-122000-
Southeast Middlesex MA-
Including the city of Cambridge
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 74 (-4) 61 (+7) 74
RH % (24h trend) 38 (+5) 100 (+11) 76
20ft Wnd AM(mph) Lgt/Var S 5
20ft Wnd PM(mph) SE 7 S 6 Lgt/Var
Precip Amount 0.00 0.00 0.73
Precip Duration 7
Precip Begin 6 AM
Precip End 5 PM
Mixing Hgt (ft-AGL) 4260 430 1550
Transport Wnd (kts) S 8 S 7 S 11
Vent Rate (kt-ft) 34080 3010 17050
Max ADI Early 23 Fair 16 Gen Poor 20 Gen Poor
Max ADI Late 35 Fair 7 Poor 22 Fair
Max LVORI Early 2 7 4
Max LVORI Late 2 7 4
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
Northeast winds around 5 mph, becoming west after midnight.
.MONDAY...Mostly sunny. Highs in the mid 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows around 50. North winds
5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds around
5 mph, becoming east in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph, becoming southwest after midnight.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Warmer. Lows
55 to 61. Highs in the upper 70s. Southwest winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows in the lower 60s. Highs around 80. West winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds around
5 mph.
$$
MAZ007-122000-
Eastern Essex MA-
Including the city of Gloucester
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 71 (-6) 60 (+6) 73
RH % (24h trend) 44 (+12) 100 (+4) 79
20ft Wnd AM(mph) Lgt/Var S 6
20ft Wnd PM(mph) SE 7 S 7 SE 6
Precip Amount 0.00 0.00 0.65
Precip Duration 7
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 3090 420 1460
Transport Wnd (kts) S 8 S 9 S 10
Vent Rate (kt-ft) 24720 3780 14600
Max ADI Early 21 Fair 17 Gen Poor 20 Gen Poor
Max ADI Late 28 Fair 9 Poor 19 Gen Poor
Max LVORI Early 2 7 4
Max LVORI Late 2 7 4
Min Vsby Early 9 9 3 Fog
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
South winds around 5 mph, becoming west after midnight.
.MONDAY...Mostly sunny. Highs in the lower 70s. Northwest winds
10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s. North winds
5 to 10 mph.
.TUESDAY...Sunny. Highs in the mid 60s. Northeast winds 5 to
10 mph, becoming east in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph, becoming southwest around 5 mph after
midnight.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Warmer. Lows
55 to 61. Highs in the mid 70s. Southwest winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with a chance of
showers. Lows in the lower 60s. Highs in the mid 70s. Northeast
winds 5 to 10 mph.
$$
MAZ006-122000-
Western Essex MA-
Including the city of Lawrence
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Showers Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 74 (-2) 60 (+7) 73
RH % (24h trend) 38 (+6) 100 (+11) 79
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.64
Precip Duration 0 7
Precip Begin 4 AM Continuing
Precip End Continuing 5 PM
Mixing Hgt (ft-AGL) 4230 420 1560
Transport Wnd (kts) S 7 S 7 S 10
Vent Rate (kt-ft) 29610 2940 15600
Max ADI Early 26 Fair 18 Gen Poor 19 Gen Poor
Max ADI Late 41 Gen Good 6 Very Poor 20 Gen Poor
Max LVORI Early 2 6 4
Max LVORI Late 2 6 4
Min Vsby Early 9 9 3 Fog
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 20 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
Northeast winds around 5 mph, becoming west after midnight.
.MONDAY...Mostly sunny. Highs in the mid 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Clear, cooler. Lows in the upper 40s. North winds
5 to 10 mph.
.TUESDAY...Sunny. Highs in the mid 60s. Northeast winds around
5 mph, becoming east around 5 mph in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Warmer. Lows in the
lower 50s. Highs in the upper 70s. South winds around 5 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 60. Southwest winds
around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with a chance of
showers. Lows around 60. Highs in the upper 70s. Northeast winds
around 5 mph.
$$
MAZ005-122000-
Central Middlesex MA-
Including the cities of Framingham and Lowell
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Showers Tstms
Chance Precip (%) 30 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 76 (0) 60 (+9) 74
RH % (24h trend) 37 (+7) 100 (0) 79
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.02 0.72
Precip Duration 0 8
Precip Begin 4 AM Continuing
Precip End Continuing 5 PM
Mixing Hgt (ft-AGL) 4780 430 1570
Transport Wnd (kts) S 8 S 9 SW 10
Vent Rate (kt-ft) 38240 3870 15700
Max ADI Early 21 Fair 20 Gen Poor 18 Gen Poor
Max ADI Late 48 Gen Good 6 Very Poor 22 Fair
Max LVORI Early 2 7 4
Max LVORI Late 2 7 4
Min Vsby Early 9 9 1 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 40 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows around 60.
Northeast winds around 5 mph, becoming west after midnight.
.MONDAY...Mostly sunny. Highs in the mid 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Clear, cooler. Lows in the upper 40s. North winds
5 to 10 mph.
.TUESDAY...Sunny. Highs around 70. North winds around 5 mph,
becoming east in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. South winds
around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s. Southwest
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 60. Southwest winds
around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows around 60. Highs around 80. Northwest winds around
5 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds around
5 mph.
$$
MAZ012-122000-
Southern Worcester MA-
Including the cities of Milford and Worcester
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Cloudy
Precip Type None Showers Tstms
Chance Precip (%) 30 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 74 (-2) 59 (+6) 73
RH % (24h trend) 37 (-1) 100 (0) 79
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.06 0.90
Precip Duration 0 8
Precip Begin 4 AM Continuing
Precip End Continuing 5 PM
Mixing Hgt (ft-AGL) 4580 440 1550
Transport Wnd (kts) S 8 S 8 SW 11
Vent Rate (kt-ft) 36640 3520 17050
Max ADI Early 20 Gen Poor 25 Fair 14 Gen Poor
Max ADI Late 48 Gen Good 6 Very Poor 23 Fair
Max LVORI Early 2 7 5
Max LVORI Late 2 7 5
Min Vsby Early 9 9 1 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 80 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
West winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the upper 40s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds around
5 mph, becoming east around 5 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. South winds
around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s. Southwest
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the upper 70s. Northwest
winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds 5 to
10 mph.
$$
MAZ004-122000-
Northern Worcester MA-
Including the cities of Barre and Fitchburg
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Showers Tstms
Chance Precip (%) 40 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 75 (+3) 58 (+7) 73
RH % (24h trend) 36 (+4) 100 (0) 76
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.07 0.76
Precip Duration 0 6
Precip Begin 3 AM Continuing
Precip End Continuing 4 PM
Mixing Hgt (ft-AGL) 4380 430 1660
Transport Wnd (kts) S 9 S 9 SW 9
Vent Rate (kt-ft) 39420 3870 14940
Max ADI Early 21 Fair 16 Gen Poor 15 Gen Poor
Max ADI Late 51 Gen Good 6 Very Poor 21 Fair
Max LVORI Early 2 6 5
Max LVORI Late 2 6 5
Min Vsby Early 5 Fog 9 1 Fog
Min Vsby Late 9 6 Fog 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 90 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the upper 50s. West winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Clear, cooler. Lows in the mid 40s. North winds
5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds around
5 mph, becoming southeast in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows around 50. South winds around
5 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s. Southwest winds
around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.THURSDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. West winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the lower 70s. North winds 5 to
10 mph.
$$
MAZ026-122000-
Northern Middlesex MA-
Including the city of Ayer
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Showers Tstms
Chance Precip (%) 30 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 76 (+1) 59 (+10) 74
RH % (24h trend) 37 (+1) 100 (+4) 79
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.03 0.58
Precip Duration 0 6
Precip Begin 4 AM Continuing
Precip End Continuing 4 PM
Mixing Hgt (ft-AGL) 4540 430 1610
Transport Wnd (kts) S 10 S 8 SW 9
Vent Rate (kt-ft) 45400 3440 14490
Max ADI Early 19 Gen Poor 16 Gen Poor 16 Gen Poor
Max ADI Late 59 Gen Good 5 Very Poor 21 Fair
Max LVORI Early 2 7 4
Max LVORI Late 2 7 4
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 40 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Patchy fog. Lows around 60.
Southeast winds around 5 mph, becoming northwest after midnight.
.MONDAY...Mostly sunny. Highs in the lower 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Clear, cooler. Lows in the mid 40s. North winds
5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds around
5 mph, becoming southeast in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. South winds
around 5 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 58.
Highs in the upper 70s. Southwest winds around 5 mph.
.THURSDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. West winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds around
5 mph.
$$
MAZ002-122000-
Western Franklin MA-
Including the city of Charlemont
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 60 100
Chance of Thunder (%) 0 20 20
Temp (24h trend) 75 (+6) 58 (+11) 73
RH % (24h trend) 41 (-3) 100 (0) 76
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.19 0.56
Precip Duration 1 5
Precip Begin 2 AM Continuing
Precip End Continuing 2 PM
Mixing Hgt (ft-AGL) 3970 440 2360
Transport Wnd (kts) S 10 S 7 W 9
Vent Rate (kt-ft) 39700 3080 21240
Max ADI Early 26 Fair 18 Gen Poor 11 Poor
Max ADI Late 55 Gen Good 4 Very Poor 28 Fair
Max LVORI Early 1 7 5
Max LVORI Late 1 7 5
Min Vsby Early 0 Fog 9 1 Fog
Min Vsby Late 9 3 Fog 5 Fog
Sunshine Hours N/A N/A N/A
CWR 0 100 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 50s. Southwest winds around 5 mph, becoming west after
midnight.
.MONDAY...Mostly sunny. Highs in the upper 60s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Colder. Lows in the lower 40s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds around
5 mph, becoming south in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 50.
Highs in the mid 70s. Southwest winds around 5 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
Southwest winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the mid 70s. Northwest
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the lower 70s. North winds
around 5 mph.
$$
MAZ003-122000-
Eastern Franklin MA-
Including the cities of Greenfield and Orange
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 50 100
Chance of Thunder (%) 0 20 20
Temp (24h trend) 74 (+1) 58 (+11) 75
RH % (24h trend) 38 (+5) 100 (0) 74
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.13 0.69
Precip Duration 1 6
Precip Begin 2 AM Continuing
Precip End Continuing 3 PM
Mixing Hgt (ft-AGL) 3830 430 2120
Transport Wnd (kts) S 10 S 8 SW 8
Vent Rate (kt-ft) 38300 3440 16960
Max ADI Early 22 Fair 13 Gen Poor 11 Poor
Max ADI Late 51 Gen Good 5 Very Poor 21 Fair
Max LVORI Early 1 7 5
Max LVORI Late 1 7 5
Min Vsby Early 0 Fog 9 1 Fog
Min Vsby Late 9 3 Fog 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 100 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the upper 50s. South winds around 5 mph, becoming
west after midnight.
.MONDAY...Mostly sunny. Highs in the lower 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Colder. Lows in the lower 40s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs around 70. Northeast winds around 5 mph,
becoming south in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
50s. Highs in the upper 70s. South winds around 5 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. South
winds around 5 mph.
.THURSDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. Southwest winds 5 to 10 mph, becoming northwest
after midnight.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds 5 to
10 mph.
$$
MAZ008-122000-
Western Hampshire MA-
Including the city of Chesterfield
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 50 100
Chance of Thunder (%) 0 20 20
Temp (24h trend) 74 (+4) 59 (+11) 74
RH % (24h trend) 43 (-4) 100 (0) 76
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.23 0.96
Precip Duration 1 6
Precip Begin 2 AM Continuing
Precip End Continuing 2 PM
Mixing Hgt (ft-AGL) 4040 430 2220
Transport Wnd (kts) S 10 S 8 W 9
Vent Rate (kt-ft) 40400 3440 19980
Max ADI Early 26 Fair 18 Gen Poor 11 Poor
Max ADI Late 58 Gen Good 5 Very Poor 26 Fair
Max LVORI Early 1 7 5
Max LVORI Late 1 7 5
Min Vsby Early 7 9 1 Fog
Min Vsby Late 9 3 Fog 5 Fog
Sunshine Hours N/A N/A N/A
CWR 0 100 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 50s. West winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 60s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Colder. Lows in the lower 40s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds around
5 mph, becoming southeast in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 50.
Highs in the mid 70s. Southwest winds around 5 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
Southwest winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the mid 70s. Northwest
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the lower 70s. North winds
around 5 mph.
$$
MAZ010-122000-
Eastern Hampshire MA-
Including the cities of Amherst and Northampton
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 50 100
Chance of Thunder (%) 0 20 20
Temp (24h trend) 75 (+1) 60 (+11) 76
RH % (24h trend) 40 (+5) 100 (0) 71
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.16 0.97
Precip Duration 1 6
Precip Begin 2 AM Continuing
Precip End Continuing 3 PM
Mixing Hgt (ft-AGL) 4060 420 1860
Transport Wnd (kts) S 10 S 7 SW 8
Vent Rate (kt-ft) 40600 2940 14880
Max ADI Early 20 Gen Poor 15 Gen Poor 10 Poor
Max ADI Late 51 Gen Good 4 Very Poor 22 Fair
Max LVORI Early 2 7 5
Max LVORI Late 2 7 5
Min Vsby Early 8 9 1 Fog
Min Vsby Late 9 5 Fog 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 100 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the upper 50s. West winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Colder. Lows in the lower 40s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the lower 70s. Northeast winds around
5 mph, becoming south in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
50s. Highs in the upper 70s. South winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph.
.THURSDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. Southwest winds 5 to 10 mph, becoming northwest
after midnight.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds 5 to
10 mph.
$$
MAZ009-122000-
Western Hampden MA-
Including the city of Blandford
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 50 100
Chance of Thunder (%) 0 20 20
Temp (24h trend) 74 (+3) 60 (+10) 74
RH % (24h trend) 43 (-1) 100 (+4) 76
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 S 5 Lgt/Var
Precip Amount 0.00 0.25 1.08
Precip Duration 1 6
Precip Begin 2 AM Continuing
Precip End Continuing 3 PM
Mixing Hgt (ft-AGL) 4130 420 2030
Transport Wnd (kts) S 10 S 8 W 10
Vent Rate (kt-ft) 41300 3360 20300
Max ADI Early 25 Fair 20 Gen Poor 10 Poor
Max ADI Late 56 Gen Good 6 Very Poor 27 Fair
Max LVORI Early 1 7 4
Max LVORI Late 1 7 4
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 5 Fog 5 Fog
Sunshine Hours N/A N/A N/A
CWR 0 100 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. West winds around 5 mph, increasing to northwest
10 to 15 mph after midnight.
.MONDAY...Mostly sunny. Highs in the upper 60s. Northwest winds
10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Colder. Lows in the mid 40s. North
winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds around
5 mph, becoming southeast in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
50s. Highs in the mid 70s. Southwest winds around 5 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
Southwest winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the upper 70s. Northwest
winds 5 to 10 mph.
.FRIDAY...Mostly sunny with a chance of showers. Highs in the
lower 70s. North winds 5 to 10 mph.
$$
MAZ011-122000-
Eastern Hampden MA-
Including the city of Springfield
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 40 100
Chance of Thunder (%) 0 20 20
Temp (24h trend) 77 (+1) 61 (+10) 76
RH % (24h trend) 39 (+4) 97 (-3) 74
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 S 5 Lgt/Var
Precip Amount 0.00 0.14 0.98
Precip Duration 1 6
Precip Begin 2 AM Continuing
Precip End Continuing 4 PM
Mixing Hgt (ft-AGL) 4350 420 1930
Transport Wnd (kts) S 10 S 7 SW 9
Vent Rate (kt-ft) 43500 2940 17370
Max ADI Early 22 Fair 21 Fair 10 Poor
Max ADI Late 54 Gen Good 5 Very Poor 24 Fair
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 1 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 100 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows around 60. West
winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Colder. Lows in the mid 40s. North
winds 5 to 10 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows 44 to 51. Highs
around 70. South winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s. Southwest
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with a chance of
showers. Lows in the upper 50s. Highs in the upper 70s. North
winds 5 to 10 mph.
$$
CTZ002-122000-
Hartford CT-
Including the cities of Hartford and Windsor Locks
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 40 100
Chance of Thunder (%) 0 30 30
Temp (24h trend) 77 (+1) 63 (+10) 76
RH % (24h trend) 39 (+4) 93 (-7) 74
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.22 1.14
Precip Duration 1 5
Precip Begin 3 AM Continuing
Precip End Continuing 3 PM
Mixing Hgt (ft-AGL) 4630 430 1910
Transport Wnd (kts) S 9 S 7 SW 9
Vent Rate (kt-ft) 41670 3010 17190
Max ADI Early 21 Fair 28 Fair 9 Poor
Max ADI Late 56 Gen Good 5 Very Poor 26 Fair
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 8 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 100 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. West winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Clear, cooler. Lows in the upper 40s. North winds
5 to 10 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows 47 to 53. Highs
in the lower 70s. South winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s. Southwest
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with a chance of
showers. Lows around 60. Highs in the upper 70s. North winds 5 to
10 mph.
$$
CTZ003-122000-
Tolland CT-
Including the cities of Union and Vernon
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Cloudy
Precip Type None Showers Tstms
Chance Precip (%) 30 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 75 (0) 62 (+10) 75
RH % (24h trend) 40 (-3) 97 (-3) 79
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.12 1.10
Precip Duration 0 6
Precip Begin 4 AM Continuing
Precip End Continuing 4 PM
Mixing Hgt (ft-AGL) 4470 420 1710
Transport Wnd (kts) S 8 S 8 SW 10
Vent Rate (kt-ft) 35760 3360 17100
Max ADI Early 24 Fair 21 Fair 12 Poor
Max ADI Late 50 Gen Good 5 Very Poor 26 Fair
Max LVORI Early 2 6 5
Max LVORI Late 2 6 5
Min Vsby Early 9 9 1 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 100 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the lower 60s. West winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the upper 40s.
North winds 5 to 10 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
Highs in the upper 60s. South winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s. Southwest
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. South
winds around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with a chance of
showers. Lows in the upper 50s. Highs in the upper 70s. North
winds 5 to 10 mph.
$$
CTZ004-122000-
Windham CT-
Including the cities of Putnam and Willimantic
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Cloudy
Precip Type None Showers Tstms
Chance Precip (%) 30 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 75 (-2) 61 (+9) 74
RH % (24h trend) 41 (-4) 97 (-3) 82
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.05 1.05
Precip Duration 0 7
Precip Begin 4 AM Continuing
Precip End Continuing 5 PM
Mixing Hgt (ft-AGL) 4430 420 1620
Transport Wnd (kts) S 7 S 8 SW 10
Vent Rate (kt-ft) 31010 3360 16200
Max ADI Early 22 Fair 26 Fair 13 Gen Poor
Max ADI Late 47 Gen Good 4 Very Poor 22 Fair
Max LVORI Early 2 6 5
Max LVORI Late 2 6 5
Min Vsby Early 9 9 1 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 80 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
West winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Northwest winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the upper 40s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds around
5 mph, becoming southeast in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. South winds
around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s. Southwest
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the upper 70s. Northwest
winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds around
5 mph.
$$
RIZ001-122000-
Northwest Providence RI-
Including the cities of Foster and Smithfield
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Cloudy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 74 (-1) 60 (+7) 73
RH % (24h trend) 41 (0) 100 (+4) 87
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 1.09
Precip Duration 8
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 4530 420 1320
Transport Wnd (kts) S 8 S 8 SW 11
Vent Rate (kt-ft) 36240 3360 14520
Max ADI Early 19 Gen Poor 33 Fair 15 Gen Poor
Max ADI Late 48 Gen Good 4 Very Poor 19 Gen Poor
Max LVORI Early 2 7 5
Max LVORI Late 2 7 5
Min Vsby Early 9 9 1 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
Northwest winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s. North winds 5 to
10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the upper 40s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds around
5 mph, becoming east around 5 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast
winds around 5 mph, becoming southwest after midnight.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s. Southwest
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of
showers. Lows around 60. Highs in the upper 70s. Northwest winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds around
5 mph.
$$
RIZ002-122000-
Southeast Providence RI-
Including the city of Providence
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 76 (-1) 61 (+6) 74
RH % (24h trend) 41 (+2) 97 (+8) 84
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 1.33
Precip Duration 7
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 4200 430 1330
Transport Wnd (kts) S 7 S 8 SE 11
Vent Rate (kt-ft) 29400 3440 14630
Max ADI Early 18 Gen Poor 27 Fair 18 Gen Poor
Max ADI Late 40 Fair 6 Very Poor 17 Gen Poor
Max LVORI Early 2 6 5
Max LVORI Late 2 6 5
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
South winds around 5 mph, becoming northwest after midnight.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. North winds 5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the lower 50s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the lower 70s. North winds around
5 mph, becoming east in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the lower
50s. Highs in the upper 70s. Southwest winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 60. Southwest winds
around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the lower 60s.
Highs in the upper 70s. North winds 5 to 10 mph.
$$
RIZ003-122000-
Western Kent RI-
Including the cities of Coventry and West Greenwich
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 74 (-2) 62 (+7) 73
RH % (24h trend) 41 (-2) 97 (+4) 87
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 1.35
Precip Duration 7
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 4290 420 1320
Transport Wnd (kts) S 8 S 8 SW 10
Vent Rate (kt-ft) 34320 3360 13200
Max ADI Early 21 Fair 25 Fair 15 Gen Poor
Max ADI Late 36 Fair 5 Very Poor 19 Gen Poor
Max LVORI Early 1 6 5
Max LVORI Late 1 6 5
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the mid 60s. West winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 70s. North winds 5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the lower 50s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs around 70. Northeast winds around 5 mph,
becoming east in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the lower
50s. Highs in the mid 70s. Southwest winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows around 60. Highs
in the upper 70s. North winds 5 to 10 mph.
$$
RIZ004-122000-
Eastern Kent RI-
Including the cities of East Greenwich, Warwick, and West Warwick
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 75 (-2) 63 (+6) 74
RH % (24h trend) 43 (+4) 93 (+10) 87
20ft Wnd AM(mph) Lgt/Var SE 5
20ft Wnd PM(mph) S 7 S 6 Lgt/Var
Precip Amount 0.00 0.00 1.66
Precip Duration 8
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 3910 430 1340
Transport Wnd (kts) S 8 S 8 SE 11
Vent Rate (kt-ft) 31280 3440 14740
Max ADI Early 19 Gen Poor 24 Fair 19 Gen Poor
Max ADI Late 35 Fair 7 Poor 16 Gen Poor
Max LVORI Early 2 6 5
Max LVORI Late 2 6 5
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the mid 60s.
West winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Northwest winds 10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the lower 50s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the lower 70s. Northeast winds around
5 mph.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 70s. South winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest
winds around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the lower 60s.
Highs in the upper 70s. North winds 5 to 10 mph.
$$
RIZ005-122000-
Bristol RI-
Including the city of Bristol
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 76 (0) 63 (+6) 74
RH % (24h trend) 46 (-2) 97 (+11) 84
20ft Wnd AM(mph) Lgt/Var SE 7
20ft Wnd PM(mph) S 7 S 7 SE 5
Precip Amount 0.00 0.00 1.61
Precip Duration 8
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 3710 430 1280
Transport Wnd (kts) S 8 S 9 SE 11
Vent Rate (kt-ft) 29680 3870 14080
Max ADI Early 16 Gen Poor 21 Fair 20 Gen Poor
Max ADI Late 35 Fair 9 Poor 18 Gen Poor
Max LVORI Early 2 5 5
Max LVORI Late 2 5 5
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the mid 60s.
South winds around 5 mph, becoming west around 5 mph after
midnight.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Northwest winds 10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the lower 50s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the lower 70s. Northeast winds around
5 mph.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 70s. Southwest winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest
winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the lower 60s.
Highs in the upper 70s. North winds 5 to 10 mph.
$$
RIZ006-122000-
Washington RI-
Including the cities of Narragansett and Westerly
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 74 (-3) 63 (+7) 73
RH % (24h trend) 44 (+5) 97 (-3) 87
20ft Wnd AM(mph) Lgt/Var SE 7
20ft Wnd PM(mph) S 7 S 5 Lgt/Var
Precip Amount 0.00 0.00 1.77
Precip Duration 8
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 3850 420 1230
Transport Wnd (kts) S 8 S 8 SW 10
Vent Rate (kt-ft) 30800 3360 12300
Max ADI Early 20 Gen Poor 18 Gen Poor 17 Gen Poor
Max ADI Late 34 Fair 8 Poor 15 Gen Poor
Max LVORI Early 2 6 5
Max LVORI Late 2 6 5
Min Vsby Early 9 9 1 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the mid 60s. West winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Northwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the lower 50s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs around 70. Northeast winds 5 to 10 mph,
becoming east in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the mid 50s.
Highs in the lower 70s. Southwest winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 60. Southwest winds
5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the lower 60s.
Highs in the mid 70s. North winds 5 to 10 mph.
$$
RIZ007-122000-
Newport RI-
Including the city of Newport
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 74 (-1) 62 (+3) 74
RH % (24h trend) 46 (+3) 97 (0) 87
20ft Wnd AM(mph) Lgt/Var SE 7
20ft Wnd PM(mph) S 6 S 5 Lgt/Var
Precip Amount 0.00 0.00 1.59
Precip Duration 8
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 3310 440 1300
Transport Wnd (kts) S 7 S 9 S 12
Vent Rate (kt-ft) 23170 3960 15600
Max ADI Early 17 Gen Poor 18 Gen Poor 20 Gen Poor
Max ADI Late 30 Fair 9 Poor 16 Gen Poor
Max LVORI Early 2 6 5
Max LVORI Late 2 6 5
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the mid 60s. West winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Northwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the mid 50s. North
winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
50s. Highs in the lower 70s. South winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest
winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the lower 60s.
Highs in the mid 70s. Northeast winds 10 to 15 mph.
$$
RIZ008-122000-
Block Island RI-
Including the city of New Shoreham
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 30
Temp (24h trend) 71 (-2) 65 (+3) 73
RH % (24h trend) 66 (+15) 97 (0) 90
20ft Wnd AM(mph) E 5 SE 9
20ft Wnd PM(mph) SE 7 S 7 SW 6
Precip Amount 0.00 0.00 1.37
Precip Duration 7
Precip Begin 6 AM
Precip End 5 PM
Mixing Hgt (ft-AGL) 1700 750 870
Transport Wnd (kts) S 9 S 12 S 13
Vent Rate (kt-ft) 15300 9000 11310
Max ADI Early 17 Gen Poor 16 Gen Poor 20 Gen Poor
Max ADI Late 18 Gen Poor 12 Poor 16 Gen Poor
Max LVORI Early 3 5 5
Max LVORI Late 3 5 5
Min Vsby Early 9 9 1 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the mid 60s. West winds 5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 70s. Northwest winds 10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
around 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in
the mid 60s. Highs around 70. Southwest winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the mid 60s.
Highs in the lower 70s. Northeast winds 5 to 10 mph.
$$
MAZ017-122000-
Northern Bristol MA-
Including the city of Taunton
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 76 (-1) 60 (+9) 74
RH % (24h trend) 39 (+4) 100 (0) 84
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 1.23
Precip Duration 8
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 4490 430 1380
Transport Wnd (kts) S 6 S 8 SE 11
Vent Rate (kt-ft) 26940 3440 15180
Max ADI Early 18 Gen Poor 27 Fair 19 Gen Poor
Max ADI Late 44 Gen Good 5 Very Poor 18 Gen Poor
Max LVORI Early 2 7 5
Max LVORI Late 2 7 5
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
Southeast winds around 5 mph, becoming west after midnight.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Northwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the upper 40s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the lower 70s. Northeast winds around
5 mph.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the lower
50s. Highs in the upper 70s. Southwest winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows around 60. Highs
in the upper 70s. North winds 5 to 10 mph.
$$
MAZ018-122000-
Western Plymouth MA-
Including the city of Brockton
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 10 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 77 (-1) 60 (+8) 74
RH % (24h trend) 39 (+6) 100 (0) 81
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) SE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 1.22
Precip Duration 7
Precip Begin 7 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 4570 420 1460
Transport Wnd (kts) S 7 S 8 SE 10
Vent Rate (kt-ft) 31990 3360 14600
Max ADI Early 21 Fair 29 Fair 20 Gen Poor
Max ADI Late 43 Gen Good 6 Very Poor 20 Gen Poor
Max LVORI Early 2 7 5
Max LVORI Late 2 7 5
Min Vsby Early 9 9 3 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
East winds around 5 mph, becoming west after midnight.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Northwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the upper 40s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds around
5 mph.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the lower
50s. Highs in the upper 70s. South winds around 5 mph.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows in the
upper 50s. Highs in the upper 70s. Northeast winds 5 to 10 mph.
$$
MAZ019-122000-
Eastern Plymouth MA-
Including the city of Plymouth
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 10 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 74 (-2) 61 (+4) 74
RH % (24h trend) 44 (+11) 100 (0) 79
20ft Wnd AM(mph) Lgt/Var SE 6
20ft Wnd PM(mph) SE 7 S 6 SE 5
Precip Amount 0.00 0.00 1.28
Precip Duration 8
Precip Begin 7 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 3550 430 1400
Transport Wnd (kts) SE 7 S 9 SE 11
Vent Rate (kt-ft) 24850 3870 15400
Max ADI Early 22 Fair 12 Poor 19 Gen Poor
Max ADI Late 27 Fair 8 Poor 19 Gen Poor
Max LVORI Early 2 6 5
Max LVORI Late 2 6 5
Min Vsby Early 9 9 3 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
South winds around 5 mph, becoming west after midnight.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 70s. Northwest winds 10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
10 to 15 mph.
.TUESDAY...Sunny. Highs in the mid 60s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds around 5 mph, becoming southwest after midnight.
.WEDNESDAY...Sunny. Highs in the mid 70s. South winds 5 to
10 mph.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 60.
Highs in the upper 70s. South winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph, becoming west after
midnight.
.FRIDAY...Mostly sunny. Highs in the lower 70s. North winds 5 to
10 mph.
$$
MAZ020-122000-
Southern Bristol MA-
Including the cities of Fall River and New Bedford
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 76 (0) 60 (+5) 74
RH % (24h trend) 40 (-1) 100 (0) 81
20ft Wnd AM(mph) Lgt/Var SE 7
20ft Wnd PM(mph) S 6 S 5 SE 5
Precip Amount 0.00 0.00 1.70
Precip Duration 8
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 4210 420 1380
Transport Wnd (kts) S 7 S 9 SE 11
Vent Rate (kt-ft) 29470 3780 15180
Max ADI Early 20 Gen Poor 20 Gen Poor 21 Fair
Max ADI Late 33 Fair 8 Poor 18 Gen Poor
Max LVORI Early 2 6 5
Max LVORI Late 2 6 5
Min Vsby Early 9 9 2 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
South winds 5 to 10 mph, becoming west after midnight.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Northwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the lower 50s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs around 70. Northeast winds 5 to 10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 70s. Southwest winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 60. Southwest winds
5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the lower 60s.
Highs in the mid 70s. Northeast winds 10 to 15 mph.
$$
MAZ021-122000-
Southern Plymouth MA-
Including the city of Mattapoisett
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 10 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 75 (-2) 60 (+6) 75
RH % (24h trend) 41 (+2) 100 (0) 79
20ft Wnd AM(mph) Lgt/Var S 6
20ft Wnd PM(mph) S 6 S 5 Lgt/Var
Precip Amount 0.00 0.00 2.03
Precip Duration 8
Precip Begin 7 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 4220 420 1550
Transport Wnd (kts) SE 7 S 10 SE 11
Vent Rate (kt-ft) 29540 4200 17050
Max ADI Early 23 Fair 24 Fair 22 Fair
Max ADI Late 37 Fair 7 Poor 22 Fair
Max LVORI Early 2 7 5
Max LVORI Late 2 7 5
Min Vsby Early 9 9 3 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
South winds around 5 mph, becoming west after midnight.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Northwest winds 5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the lower 50s.
North winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the lower
50s. Highs in the mid 70s. South winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 60. Southwest winds
5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Southwest winds
around 5 mph, increasing to 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. West winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds 5 to
10 mph.
$$
MAZ022-122000-
Barnstable MA-
Including the cities of Chatham, Falmouth, and Provincetown
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 10 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 73 (-1) 61 (+4) 74
RH % (24h trend) 46 (+6) 100 (0) 79
20ft Wnd AM(mph) Lgt/Var S 7
20ft Wnd PM(mph) S 7 S 6 SE 6
Precip Amount 0.00 0.00 1.63
Precip Duration 8
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 3390 450 1490
Transport Wnd (kts) SE 7 S 12 S 14
Vent Rate (kt-ft) 23730 5400 20860
Max ADI Early 23 Fair 21 Fair 26 Fair
Max ADI Late 29 Fair 10 Poor 24 Fair
Max LVORI Early 2 6 5
Max LVORI Late 2 6 5
Min Vsby Early 9 9 3 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
South winds around 5 mph, becoming west after midnight.
.MONDAY...Mostly sunny with a chance of showers. Patchy fog.
Highs in the lower 70s. Northwest winds 10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
10 to 15 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
50s. Highs in the lower 70s. South winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest
winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Southwest winds
5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. West winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the lower 70s. North winds 5 to
10 mph.
$$
MAZ023-122000-
Dukes MA-
Including the city of Vineyard Haven
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 10 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 75 (+3) 60 (+6) 74
RH % (24h trend) 51 (0) 100 (0) 78
20ft Wnd AM(mph) E 5 SE 9 G17
20ft Wnd PM(mph) S 7 S 6 SE 6
Precip Amount 0.00 0.00 1.57
Precip Duration 8
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt (ft-AGL) 2530 830 1380
Transport Wnd (kts) SE 7 S 10 S 15
Vent Rate (kt-ft) 17710 8300 20700
Max ADI Early 22 Fair 22 Fair 25 Fair
Max ADI Late 25 Fair 13 Gen Poor 23 Fair
Max LVORI Early 3 6 5
Max LVORI Late 3 6 5
Min Vsby Early 9 9 3 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 60s.
West winds 5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Northwest winds 10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Cooler. Lows in the lower 50s.
North winds 10 to 15 mph.
.TUESDAY...Sunny. Highs around 70. Northeast winds 10 to 15 mph.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows
around 60. Highs in the lower 70s. Southwest winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Southwest winds
10 to 15 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. West winds 10 to 15 mph.
.FRIDAY...Mostly sunny. Highs in the lower 70s. North winds 10 to
15 mph.
$$
MAZ024-122000-
Nantucket MA-
Including the city of Nantucket
409 AM EDT Sat Sep 12 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 10 100
Chance of Thunder (%) 0 0 20
Temp (24h trend) 73 (+1) 61 (+1) 74
RH % (24h trend) 59 (+8) 100 (0) 81
20ft Wnd AM(mph) E 6 SE 9 G17
20ft Wnd PM(mph) SE 7 S 7 SE 9
Precip Amount 0.00 0.00 1.22
Precip Duration 6
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 1760 790 1090
Transport Wnd (kts) SE 8 S 11 S 14
Vent Rate (kt-ft) 14080 8690 15260
Max ADI Early 18 Gen Poor 15 Gen Poor 22 Fair
Max ADI Late 19 Gen Poor 14 Gen Poor 22 Fair
Max LVORI Early 3 6 5
Max LVORI Late 3 6 5
Min Vsby Early 9 9 3 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 100
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the mid 60s.
West winds 5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Patchy fog.
Highs in the lower 70s. Northwest winds 10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
15 to 20 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northeast winds 10 to
15 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Sunny. Highs around 70. Northeast winds around
5 mph, becoming southeast in the afternoon.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
60s. Highs in the lower 70s. Southwest winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 10 to 15 mph.
.FRIDAY...Mostly sunny. Highs in the lower 70s. North winds 10 to
15 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures below normal. Precipitation near normal.
$$
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