Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
288
FOUS51 KLWX 161202
PFMLWX
Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
802 AM EDT Wed Sep 16 2026
VAZ054-162000-
Reagan National Airport-Arlington VA
38.86N 77.03W Elev. 66 ft
802 AM EDT Wed Sep 16 2026
Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 86 68 89 73 86
Temp 77 84 85 80 73 70 69 70 79 87 87 81 77 75 74 74 80 84 84 78
Dewpt 61 61 61 63 63 63 63 63 64 65 67 67 68 69 70 70 68 66 64 60
RH 58 46 45 56 71 78 81 78 60 48 52 63 74 82 87 87 67 55 51 54
Wind dir S S S S S S S S S S S S SW W NW N N N N N
Wind spd 8 8 10 9 8 6 6 6 8 9 10 9 8 6 9 10 12 12 13 12
Clouds FW CL SC SC FW SC FW SC SC SC SC B1 B1 SC B1 SC SC SC B1 SC
PoP 12hr 0 5 20 30 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C
Tstms S
Heat index 84 85 81 89 90 83 83 86 85
Max heat 84 85 89 91 86 86
Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 67 81 68 84 69 81 68 79
Temp 70 67 79 76 70 70 81 78 72 70 78 76 70 70 77 74
Dewpt 56 55 60 61 65 66 68 68 68 67 68 68 68 67 68 67
PWind dir NE E SE S NE E E E
Wind char GN GN GN GN GN GN GN GN
Avg clouds SC SC SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B2 B2 B2
PoP 12hr 0 5 10 50 50 50 50 40
Rain shwrs C C C C C C C C C C
Tstms S S S S
$$
MDZ013-162000-
Baltimore/Washington Airport-Anne Arundel MD
39.19N 76.67W Elev. 154 ft
802 AM EDT Wed Sep 16 2026
Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 84 65 87 70 84
Temp 76 82 84 77 71 68 67 67 79 85 87 81 75 73 72 72 79 82 82 75
Dewpt 60 60 62 63 64 63 63 64 67 69 70 70 69 69 70 70 70 67 65 62
RH 58 47 48 62 79 84 87 90 67 59 57 69 82 87 93 93 74 61 56 64
Wind dir S S S S S S S SW S S S S SW W NW N N N N N
Wind spd 5 6 8 4 3 2 2 3 5 6 8 4 3 2 3 5 8 9 9 8
Clouds FW CL FW FW SC SC SC B1 SC SC SC B2 B1 B1 SC SC SC SC SC SC
PoP 12hr 0 5 20 40 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C
Tstms S
Heat index 82 85 89 92 85 85 84
Max heat 82 85 89 92 85 85
Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 62 78 64 81 65 79 64 77
Temp 64 64 76 73 67 67 79 75 68 66 77 73 68 66 76 72
Dewpt 56 55 62 63 65 67 70 70 67 66 70 69 67 66 70 68
PWind dir NE E SE S NE E E E
Wind char LT LT LT GN LT GN LT GN
Avg clouds SC SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 B2 B2 B2 B2
PoP 12hr 0 0 20 60 60 40 50 40
Rain shwrs S C L L C C C C C C C
Tstms S S
$$
MDZ011-162000-
Baltimore Inner Harbor-Baltimore City MD
39.28N 76.61W Elev. 20 ft
802 AM EDT Wed Sep 16 2026
Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 85 68 88 73 85
Temp 77 83 83 76 72 70 69 70 79 86 86 80 76 75 73 73 79 83 83 76
Dewpt 59 60 62 63 63 62 63 62 63 65 67 67 68 69 70 69 66 63 61 57
RH 54 46 49 64 73 76 81 76 58 50 53 65 76 82 90 87 64 51 47 52
Wind dir S S SE S S S S S S S S S SW W NW N N N N N
Wind spd 4 6 8 4 2 1 1 2 4 6 8 4 2 2 3 5 9 10 10 8
Clouds FW CL FW SC SC SC SC B1 B1 SC SC B2 B1 B1 B1 SC B1 SC SC SC
PoP 12hr 0 5 30 30 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C
Tstms S
Heat index 83 84 88 89 82 84 83
Max heat 83 85 88 90 84 85
Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 64 80 68 82 68 80 67 78
Temp 66 65 78 74 68 70 80 76 69 69 78 74 68 68 76 73
Dewpt 54 53 56 58 63 65 66 66 66 65 66 66 66 65 66 64
PWind dir NE E SE S NE E E E
Wind char LT LT LT GN LT GN LT GN
Avg clouds SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2
PoP 12hr 0 0 20 60 60 40 50 40
Rain shwrs S C L L C C C C C C C
Tstms S S
$$
WVZ052-162000-
Martinsburg Airport-Berkeley WV
39.41N 77.98W Elev. 558 ft
802 AM EDT Wed Sep 16 2026
Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 86 64 87 68 82
Temp 75 84 86 78 71 68 66 67 80 86 85 77 73 72 70 70 77 81 81 72
Dewpt 60 61 63 64 65 64 64 65 68 71 72 72 71 71 70 70 68 64 61 60
RH 60 46 46 62 81 87 93 93 67 61 65 85 93 97100100 74 56 51 66
Wind dir N S S S N N N N N S S SW N N NW NW N N N NE
Wind spd 0 4 5 4 0 0 0 0 0 5 5 3 0 0 3 6 9 10 9 6
Clouds FW FW FW FW SC SC SC B1 SC B1 B2 B1 B1 SC B1 B1 B1 B1 SC FW
PoP 12hr 0 5 70 30 5
QPF 12hr 0 0 0.12 0.04 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C L C C
Tstms S S C S
Heat index 84 87 83 91 91 83 82
Max heat 84 87 91 93 83 83
Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 58 77 62 80 62 76 62 74
Temp 61 60 76 73 66 65 78 74 66 64 75 71 66 64 73 69
Dewpt 55 53 57 59 62 64 68 68 66 64 67 67 66 64 66 65
PWind dir NE SE SE S NE E E E
Wind char LT LT GN GN LT LT LT LT
Avg clouds SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B2 B1 B2 B2 B2
PoP 12hr 0 5 20 70 60 50 50 40
Rain shwrs S C L L C C C C C C C
Tstms C S S S
$$
VAZ506-162000-
Washington Dulles Airport-Loudoun VA
38.96N 77.45W Elev. 321 ft
802 AM EDT Wed Sep 16 2026
Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 86 64 89 70 84
Temp 76 84 86 79 71 68 66 66 79 87 87 79 75 73 72 72 79 82 82 75
Dewpt 61 62 63 63 64 64 63 64 68 71 72 72 71 71 71 71 71 70 68 64
RH 60 48 46 58 79 87 90 93 69 59 61 79 87 93 97 97 77 67 63 69
Wind dir S S S S S S S S S S S S SW W NW NW N N N N
Wind spd 5 5 5 5 4 3 3 3 4 5 5 3 2 2 3 6 9 9 9 6
Clouds FW FW FW FW SC SC SC SC SC SC B1 B2 B1 B1 B1 B1 B1 B1 SC SC
PoP 12hr 0 5 40 40 5
QPF 12hr 0 0 0.01 0.03 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C
Tstms S
Heat index 85 87 93 94 86 85
Max heat 85 87 93 95 86 87
Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 61 80 64 83 64 80 64 78
Temp 64 63 79 74 67 66 80 76 68 66 77 73 68 66 76 71
Dewpt 57 55 63 64 65 66 72 71 68 66 72 70 68 66 72 69
PWind dir NE E SE S NE E E E
Wind char LT LT GN GN LT LT LT GN
Avg clouds SC SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 B1 B2
PoP 12hr 0 5 10 60 50 50 50 40
Rain shwrs C L C C C C C C C C
Tstms S S S S
$$
VAZ037-162000-
Charlottesville Airport-Albemarle VA
38.14N 78.45W Elev. 640 ft
802 AM EDT Wed Sep 16 2026
Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 85 64 89 69 84
Temp 75 83 84 74 69 67 65 66 80 88 86 77 73 72 71 71 80 83 82 75
Dewpt 62 62 63 64 65 64 63 63 66 68 70 71 71 71 70 70 71 71 70 67
RH 64 49 49 71 87 90 93 90 62 52 59 82 93 97 97 97 74 67 67 76
Wind dir S S S S N N N N S S SW N N N N NW N NE NE NE
Wind spd 4 5 5 1 0 0 0 0 3 5 4 0 0 0 0 2 4 6 8 6
Clouds FW CL FW FW FW FW FW SC FW B1 B1 SC SC SC SC SC SC B1 B1 SC
PoP 12hr 0 0 40 5 40
QPF 12hr 0 0 0.01 0 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C
Tstms C C S
Heat index 84 85 82 92 91 83 88 86
Max heat 84 86 92 94 88 89
Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 64 79 64 84 65 80 64 76
Temp 68 64 77 73 67 66 82 76 69 67 78 74 68 66 75 71
Dewpt 61 57 61 64 65 66 69 70 69 67 69 70 68 66 69 69
PWind dir NE E S SW E E NE NE
Wind char LT LT LT LT LT LT LT LT
Avg clouds B1 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2
PoP 12hr 10 5 10 40 40 50 50 50
Rain shwrs C C S S C C C S C
Tstms S S S S S
$$
MDZ003-162000-
Hagerstown Airport-Washington MD
39.71N 77.73W Elev. 705 ft
802 AM EDT Wed Sep 16 2026
Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 86 65 87 68 81
Temp 74 84 86 78 71 69 67 67 78 85 86 79 73 72 70 70 75 80 80 72
Dewpt 60 62 63 65 64 64 64 65 69 73 74 73 71 71 70 70 68 65 63 61
RH 62 48 46 64 79 84 90 93 74 67 68 82 93 97100100 79 60 56 68
Wind dir S S S S S S SE S S S S S W NW NW N N N N NE
Wind spd 3 4 5 4 3 2 1 2 3 5 5 3 2 2 3 5 8 9 9 6
Clouds FW SC SC SC SC SC B1 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 SC SC FW
PoP 12hr 0 10 70 30 5
QPF 12hr 0 0 0.20 0.06 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C L C C
Tstms S C C S
Heat index 85 87 92 94 82 81
Max heat 85 87 92 94 82 83
Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 56 78 62 79 61 76 61 74
Temp 61 57 76 71 65 64 76 73 66 64 74 71 66 64 73 70
Dewpt 54 53 58 60 63 64 70 69 66 64 69 68 65 64 68 66
PWind dir NE SE SE SW NE E E E
Wind char LT LT GN GN LT LT LT LT
Avg clouds FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr 0 5 40 70 60 50 50 40
Rain shwrs C C L L C C C C C C C
Tstms S S S S
$$
MDZ017-162000-
Patuxent River NAS MD
38.29N 76.41W Elev. 39 ft
802 AM EDT Wed Sep 16 2026
Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 79 67 85 71 83
Temp 76 79 78 73 71 69 68 70 79 84 83 77 75 74 72 73 80 82 81 77
Dewpt 61 61 63 63 64 65 63 64 65 66 68 67 67 68 67 70 72 70 69 66
RH 60 54 60 71 79 87 84 81 62 55 61 71 76 82 84 90 77 67 67 69
Wind dir S SE SE S S S SW S S S S S S SW SW NW N N N N
Wind spd 4 8 9 5 5 4 4 5 6 9 11 8 6 5 5 4 9 12 11 8
Clouds CL CL CL CL FW FW CL FW FW FW FW SC SC B1 SC SC SC SC SC SC
PoP 12hr 0 5 0 20 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S
Tstms S S
Heat index 86 86 84 86 84
Max heat 86 88 86 86
Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 68 79 68 82 69 81 69 79
Temp 70 70 79 74 72 72 81 77 73 72 79 75 72 72 78 74
Dewpt 63 61 63 65 66 68 70 70 70 70 71 70 70 70 70 69
PWind dir NE E SE S E E E E
Wind char GN LT GN GN GN GN GN GN
Avg clouds SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1
PoP 12hr 5 5 5 40 50 40 40 40
Rain shwrs C C C C C C C C C
Tstms S S S
$$
WVZ502-162000-
Petersburg WV
38.99N 79.15W Elev. 963 ft
802 AM EDT Wed Sep 16 2026
Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 91 65 90 67 84
Temp 81 90 91 81 72 69 67 67 82 88 89 80 73 71 69 69 75 82 82 73
Dewpt 65 66 67 69 68 65 65 65 72 73 72 72 70 70 69 69 72 70 68 66
RH 58 45 45 67 87 87 93 93 72 61 57 77 90 97100100 90 67 63 79
Wind dir N E SE SE SW S S S W W W SW W W N N N N N N
Wind spd 0 1 2 1 2 2 1 2 1 4 4 2 2 1 0 0 2 4 5 3
Clouds FW FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1
PoP 12hr 5 10 40 20 30
QPF 12hr 0 0 0.01 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C S S S S C C C C
Tstms S S S S
Obvis PF
Heat index 83 93 94 84 87 96 96 84 86 85
Max heat 93 94 96 96 86 87
Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 58 82 62 85 62 80 61 78
Temp 63 58 79 74 66 64 81 75 67 64 78 73 66 63 76 71
Dewpt 60 57 65 64 63 64 72 70 67 64 70 68 65 63 70 67
PWind dir NE SE S W W E SE E
Wind char LT LT LT LT LT LT LT LT
Avg clouds B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B2 B2 B2 B2 B2
PoP 12hr 10 10 20 70 60 70 50 50
Rain shwrs S C L L C C L C C C C
Tstms S S S S S
$$
MDZ014-162000-
Annapolis MD
38.99N 76.49W Elev. 7 ft
802 AM EDT Wed Sep 16 2026
Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 81 67 85 73 84
Temp 77 81 81 77 71 69 68 69 80 85 85 80 75 73 73 74 80 83 84 78
Dewpt 62 63 65 65 66 65 63 63 65 67 68 68 69 69 70 70 69 66 64 62
RH 60 54 58 67 84 87 84 81 60 55 57 67 82 87 90 87 69 57 51 58
Wind dir S S S S S SW S S S S S S S SW W N N N N N
Wind spd 6 10 11 8 5 3 4 5 8 11 12 9 4 3 4 5 11 11 11 9
Clouds FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC B1 SC SC
PoP 12hr 0 5 10 30 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C
Tstms S
Heat index 82 83 82 88 88 83 83 85 85
Max heat 82 83 88 88 86 86
Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 66 78 65 82 66 80 66 79
Temp 68 67 78 74 68 69 81 76 69 68 79 75 69 68 78 73
Dewpt 59 57 60 64 65 67 70 70 68 68 70 69 68 68 70 68
PWind dir NE E SE S E E E E
Wind char GN GN LT GN LT GN LT GN
Avg clouds SC SC SC SC B1 B1 B1 B2 B2 B2 B1 B2 B2 B2 B2 B2
PoP 12hr 0 5 10 50 60 40 50 40
Rain shwrs C C L C C C C C C C
Tstms S S
$$