Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
869 FOUS51 KLWX 021137 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 AM EDT Tue Sep 2 2025 VAZ054-022000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 AM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 60 82 64 86 Temp 63 72 76 77 71 67 64 62 62 74 79 80 74 70 68 66 66 77 82 83 75 Dewpt 56 56 52 51 53 55 56 56 56 55 52 51 54 56 58 58 58 59 59 59 63 RH 78 57 43 40 53 65 75 81 81 51 39 36 50 61 70 75 75 54 46 44 66 Wind dir N NE NE E SE SE SW NW N SE S S S S S S S S S S S Wind spd 5 6 8 6 5 3 1 1 2 3 4 6 9 8 8 8 9 11 14 16 11 Clouds SC SC SC B1 FW FW FW SC SC FW SC SC FW FW SC FW FW FW B1 B1 B1 PoP 12hr 0 0 0 0 30 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S S Heat index 80 82 83 Max heat 80 82 84 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 87 70 85 62 77 58 77 Temp 70 68 83 80 73 70 82 75 68 63 75 70 62 60 74 69 Dewpt 66 64 65 65 67 65 62 59 56 53 50 48 49 49 47 49 PWind dir S SW SW W NW NW N NE Wind char GN GN LT GN GN GN LT LT Avg clouds B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC FW FW PoP 12hr 40 10 10 30 30 10 5 5 Rain shwrs C C C Tstms S S $$ MDZ013-022000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 AM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 58 81 62 85 Temp 62 71 75 75 69 64 61 59 61 74 78 79 72 66 64 63 65 76 82 82 72 Dewpt 57 58 57 55 57 58 59 58 60 59 57 55 56 58 59 58 60 62 62 62 66 RH 84 63 54 50 66 81 93 96 97 59 48 44 57 75 84 84 84 62 51 51 81 Wind dir N NE E E SE SE N NW N SE SE SE S S S S S S S S S Wind spd 4 8 6 4 2 2 1 1 1 2 4 5 4 4 4 4 5 10 12 13 9 Clouds FW SC SC B1 FW FW FW FW FW FW SC FW FW FW SC SC FW FW B1 B1 B1 PoP 12hr 0 0 0 0 30 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S S Heat index 83 83 Max heat 83 84 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 85 66 82 59 77 57 76 Temp 66 66 81 77 70 68 80 72 64 60 73 68 60 58 72 67 Dewpt 65 66 67 68 66 65 63 61 56 54 52 52 51 52 50 52 PWind dir S SW SW W NW NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC B1 B1 SC SC FW FW SC FW FW PoP 12hr 40 10 20 30 30 5 5 5 Rain shwrs C S C C Tstms S S S $$ MDZ011-022000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 AM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 63 84 67 87 Temp 64 74 77 79 74 70 68 65 64 77 79 81 77 73 71 69 68 79 83 83 77 Dewpt 55 54 53 52 53 56 57 57 57 54 52 51 52 56 57 58 58 59 59 59 62 RH 73 50 43 39 48 61 68 75 78 45 39 35 42 55 61 68 70 50 44 44 60 Wind dir N NE E E SE SE N NW N SE SE SE SE S S S S S S S S Wind spd 4 6 5 5 2 2 0 1 1 2 4 5 4 4 4 4 5 10 13 13 10 Clouds FW SC SC B1 SC FW FW FW FW FW SC SC FW FW SC SC FW FW B1 B1 B1 PoP 12hr 5 0 0 0 30 QPF 12hr 0 0 0 0 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S S Heat index 83 83 Max heat 80 83 84 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 88 70 86 63 80 60 79 Temp 72 69 83 82 75 70 82 77 70 63 75 73 65 60 75 71 Dewpt 64 64 65 65 65 64 61 59 56 52 50 48 49 48 47 48 PWind dir S SW SW W NW NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC B1 B1 SC SC FW FW SC FW SC PoP 12hr 50 10 20 30 30 5 5 0 Rain shwrs C S C C Tstms S S S $$ WVZ052-022000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 AM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 51 82 57 84 Temp 57 71 76 75 69 61 57 53 56 72 80 79 72 66 63 60 62 76 82 76 69 Dewpt 53 54 52 50 51 53 52 51 52 52 50 49 52 55 54 54 56 58 58 61 62 RH 86 55 43 41 53 75 83 93 86 49 35 35 49 68 72 81 81 54 44 60 78 Wind dir NW NE E E SE N N N N S S S S S S S S S S SW S Wind spd 2 3 5 3 1 0 0 0 0 2 4 5 5 5 5 5 5 9 12 11 6 Clouds SC SC B1 SC FW FW FW FW FW FW SC SC SC SC SC FW FW FW B2 B2 B2 PoP 12hr 20 0 0 0 60 QPF 12hr 0 0 0 0 0.25 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C Tstms C C S Heat index 80 82 Max heat 80 80 82 81 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 85 60 80 53 75 49 74 Temp 64 62 81 75 65 64 78 69 58 57 72 65 55 53 71 65 Dewpt 63 61 61 61 61 60 57 53 52 50 48 47 47 47 47 46 PWind dir SW SW W W NW NW NW NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC B1 SC SC FW FW FW FW FW FW PoP 12hr 40 10 10 40 20 5 0 0 Rain shwrs C C S Tstms S S $$ VAZ506-022000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 AM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 78 55 81 61 85 Temp 59 71 76 76 68 63 58 56 57 73 79 79 72 67 64 62 63 76 83 81 70 Dewpt 56 59 56 55 56 56 56 55 57 59 57 56 57 58 58 58 60 63 63 63 67 RH 90 66 50 48 65 78 93 96100 62 47 45 59 73 81 87 90 64 51 54 90 Wind dir N NE NE NE E SE S W NW S S S S S S S S S S S S Wind spd 3 5 5 4 2 1 1 1 1 2 3 5 5 5 5 5 6 10 13 13 9 Wind gust 24 24 Clouds FW SC SC B1 SC FW FW FW SC FW SC SC SC FW FW FW FW FW B1 B1 B2 PoP 12hr 5 0 0 0 40 QPF 12hr 0 0 0 0 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S C S Heat index 84 82 Max heat 80 84 85 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 63 85 65 82 57 75 54 76 Temp 66 65 82 77 69 66 80 70 61 58 73 66 57 55 73 66 Dewpt 66 65 67 66 65 65 64 60 55 54 53 52 49 50 51 51 PWind dir S SW SW W NW NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC B1 SC SC SC FW FW SC FW FW PoP 12hr 40 10 10 30 20 5 5 0 Rain shwrs C C S Tstms S S $$ VAZ037-022000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 AM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 53 79 57 82 Temp 57 69 74 74 66 60 57 55 57 72 78 77 70 64 61 59 60 73 80 78 70 Dewpt 53 56 53 52 54 54 53 52 53 54 54 54 56 57 57 56 58 60 60 61 63 RH 86 63 48 46 65 81 86 90 86 53 43 45 61 78 87 90 93 64 51 56 78 Wind dir N NE NE NE E N NW W W S S S S S S S S S S S SW Wind spd 2 5 5 4 1 1 1 1 1 2 5 5 3 2 2 3 4 9 12 11 6 Clouds FW FW B1 B1 FW FW FW FW FW FW SC SC SC SC FW FW FW FW B1 B1 B2 PoP 12hr 10 0 5 0 50 QPF 12hr 0 0 0 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S C S Obvis PF Heat index 81 Max heat 81 81 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 85 64 85 58 76 52 74 Temp 65 63 82 75 68 66 82 72 63 58 74 66 57 55 72 65 Dewpt 63 63 63 64 64 64 61 60 57 55 51 52 49 49 49 51 PWind dir SW SW SW W NW N N NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW FW FW SC SC B1 B1 SC SC FW SC SC FW FW PoP 12hr 30 10 10 30 30 10 5 0 Rain shwrs C C C Tstms S S $$ MDZ003-022000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 AM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 78 54 82 59 85 Temp 60 72 76 75 69 62 58 55 57 73 79 79 72 66 63 61 63 76 83 76 69 Dewpt 55 56 55 53 54 54 53 53 54 55 53 51 53 55 56 55 57 60 61 64 64 RH 84 57 48 46 59 75 83 93 90 53 41 38 51 68 78 81 81 58 47 66 84 Wind dir N NE NE E E SE E SE SE S S S S S S S S S S SW S Wind spd 2 4 5 3 2 1 1 1 1 2 5 5 5 5 5 5 5 10 13 11 6 Clouds SC SC B1 B1 SC FW FW FW CL FW SC SC FW SC SC FW FW FW B2 B2 B2 PoP 12hr 20 0 0 5 70 QPF 12hr 0 0 0 0 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C Tstms C C S Heat index 83 Max heat 80 83 83 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 85 62 80 53 75 49 75 Temp 64 62 80 75 66 64 76 68 58 55 72 64 54 53 72 65 Dewpt 64 62 63 63 62 60 57 53 52 50 50 48 48 48 49 48 PWind dir S SW SW W NW NW N N Wind char LT LT LT GN LT LT LT LT Avg clouds B2 B1 SC SC SC SC SC B1 SC SC FW FW FW FW FW FW PoP 12hr 50 20 20 40 20 5 0 0 Rain shwrs C S S C S Tstms S S $$ MDZ017-022000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 AM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 61 78 64 82 Temp 65 70 74 74 68 66 64 62 65 72 76 77 70 68 67 66 69 76 80 80 75 Dewpt 61 59 59 58 60 60 61 61 62 60 58 56 59 60 62 61 63 62 64 63 65 RH 87 68 59 57 76 81 90 97 90 66 54 48 68 76 84 84 81 62 58 56 71 Wind dir NE N N NE NE E E N N NE E SE S S S S S S S S S Wind spd 10 9 6 5 3 3 2 2 3 3 5 5 5 6 6 6 8 10 13 16 13 Clouds SC SC SC B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC B1 PoP 12hr 5 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 82 81 Max heat 82 83 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 85 70 84 64 77 61 75 Temp 70 71 83 77 74 73 82 73 68 67 74 69 64 65 73 68 Dewpt 65 66 67 69 68 68 67 66 62 58 55 56 54 55 53 54 PWind dir S S SW SW NW N N N Wind char GN GN GN LT GN GN LT GN Avg clouds B1 SC FW FW SC SC SC B1 B1 SC SC SC SC SC FW FW PoP 12hr 20 5 10 20 30 10 10 5 Rain shwrs S S C Tstms S S $$ WVZ502-022000- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 AM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 78 50 82 56 83 Temp 51 69 76 75 66 58 54 52 53 74 80 78 69 62 59 57 58 76 80 75 68 Dewpt 49 56 53 53 54 53 51 49 50 56 54 56 59 57 56 54 55 61 61 63 64 RH 93 63 45 46 65 83 90 89 89 53 41 47 70 84 90 90 90 60 52 66 87 Wind dir W NE NE E E SW S S S S S S S S S SW S S SW SW SW Wind spd 2 2 4 3 2 2 2 2 2 2 2 4 3 4 4 4 5 8 10 9 5 Clouds SC SC SC SC FW FW FW FW FW SC SC B1 SC SC FW FW SC SC B2 B2 B2 PoP 12hr 20 0 20 5 80 QPF 12hr 0 0 0 0 0.30 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S D D C Tstms C C S Obvis PF PF Heat index 80 81 Max heat 80 80 81 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 57 86 58 80 50 76 46 77 Temp 60 58 83 73 63 60 77 66 54 51 73 63 50 48 73 64 Dewpt 60 58 60 61 59 57 57 54 50 48 48 48 46 45 49 51 PWind dir SW SW SW W W NW NW NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC B1 SC SC SC FW FW FW FW FW PoP 12hr 40 20 10 40 20 5 0 0 Rain shwrs C S S C S Tstms S S S $$ MDZ014-022000- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 AM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 61 77 64 80 Temp 65 70 73 74 70 67 65 62 64 72 76 77 72 69 68 66 67 74 78 79 74 Dewpt 59 58 57 56 57 60 61 60 60 59 57 55 56 60 61 61 61 62 63 62 64 RH 81 66 57 53 63 78 87 93 87 64 52 47 57 73 78 84 81 66 60 56 71 Wind dir NE NE NE E E SE S NW N E SE S S S S S S S S S S Wind spd 6 8 6 5 2 2 1 1 1 2 5 6 5 6 6 6 6 11 13 13 11 Clouds SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC B1 PoP 12hr 0 0 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C Tstms S S Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 82 69 81 62 75 59 73 Temp 70 69 80 77 73 70 79 74 68 64 73 70 64 61 71 69 Dewpt 67 66 68 68 68 67 65 63 60 56 53 53 54 53 52 52 PWind dir S S SW W NW NW N NE Wind char GN GN LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC B1 B1 SC SC SC FW SC FW FW PoP 12hr 40 10 20 30 30 10 5 5 Rain shwrs C S C C Tstms S S S $$