Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
278 FOUS51 KLWX 021739 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 139 PM EDT Tue Sep 2 2025 VAZ054-022000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 139 PM 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 81 65 86 Temp 76 77 71 67 63 61 64 75 80 80 73 70 67 66 67 78 83 84 76 Dewpt 52 51 52 55 56 56 56 55 53 52 55 56 58 58 58 60 59 59 62 RH 43 40 51 65 78 84 75 50 39 38 53 61 73 75 73 54 44 43 62 Wind dir NE E SE SE SW N NE E S S SE S S S S S S S S Wind spd 8 6 5 3 2 2 1 2 4 6 9 9 8 8 9 11 13 14 10 Clouds SC B1 FW FW FW SC FW SC SC FW FW SC SC SC FW FW B1 B1 B1 PoP 12hr 0 0 0 0 30 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S S Heat index 80 80 83 84 Max heat 80 80 83 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 66 89 71 87 64 78 59 77 Temp 70 69 84 81 75 73 85 74 69 66 75 69 63 62 75 69 Dewpt 64 64 63 63 66 65 62 62 59 55 49 49 49 48 47 48 PWind dir S SW SW W NW NW N NE Wind char GN GN GN GN GN GN LT LT Avg clouds B1 SC FW FW FW SC SC B1 B2 B1 SC SC SC SC FW SC PoP 12hr 30 5 5 40 30 10 5 5 Rain shwrs C C C Tstms S S $$ MDZ013-022000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 139 PM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 58 80 62 85 Temp 75 75 69 63 61 59 61 73 77 78 71 66 64 63 65 76 82 82 73 Dewpt 57 55 57 58 58 58 60 59 58 56 57 58 59 60 61 62 63 62 66 RH 54 50 66 84 90 96 97 62 52 47 61 75 84 90 87 62 53 51 79 Wind dir E E SE SE NW NW N E SE SE SE S S S S S S S S Wind spd 6 4 2 2 1 1 1 2 4 5 4 4 4 4 5 10 11 12 6 Clouds SC B1 FW FW FW FW SC SC B1 FW FW FW SC FW FW FW SC SC B2 PoP 12hr 0 0 0 0 30 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S S Heat index 83 83 Max heat 83 84 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 87 68 87 61 77 57 76 Temp 67 67 84 79 72 70 83 72 66 63 74 68 60 58 74 68 Dewpt 65 66 67 67 66 67 66 66 59 56 51 52 50 50 49 52 PWind dir S S SW W NW NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW SC SC SC SC B1 B2 B1 SC SC FW FW FW SC PoP 12hr 40 5 5 40 30 10 5 5 Rain shwrs C C C Tstms S S $$ MDZ011-022000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 139 PM 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 64 83 67 87 Temp 77 79 72 70 66 65 66 76 80 81 74 73 69 68 70 79 84 84 76 Dewpt 53 52 52 55 57 57 56 55 54 52 53 56 58 58 58 58 59 59 61 RH 43 39 49 59 73 75 70 48 41 37 48 55 68 70 66 49 43 43 60 Wind dir E E SE E NW N N SE SE SE SE S S S S S S S S Wind spd 5 5 2 1 1 0 1 2 4 5 4 3 3 4 5 10 12 13 8 Clouds SC B1 FW FW FW FW SC SC B1 SC FW FW SC FW FW FW B1 B1 B2 PoP 12hr 5 0 0 0 30 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S S Heat index 80 84 84 Max heat 80 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 68 89 72 88 65 80 60 79 Temp 71 71 85 81 77 74 85 75 70 67 76 70 64 63 76 70 Dewpt 64 63 63 63 65 64 62 61 57 52 48 48 48 48 46 47 PWind dir S S SW W NW NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW SC SC SC SC B1 B2 B1 SC SC FW FW FW SC PoP 12hr 40 5 5 40 30 10 5 5 Rain shwrs C C C Tstms S S $$ WVZ052-022000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 139 PM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 51 82 57 83 Temp 76 75 68 60 56 53 56 72 79 80 72 66 63 59 62 76 82 77 70 Dewpt 52 50 52 53 52 51 53 53 50 50 53 55 55 55 57 58 58 59 62 RH 43 41 57 78 86 93 90 51 36 35 51 68 75 87 84 54 44 54 76 Wind dir E E SE N N N N S S S S S S S S S S SW SW Wind spd 5 3 1 0 0 0 0 2 4 5 5 5 5 5 4 9 11 10 5 Clouds B1 SC FW FW FW FW FW FW FW FW SC SC SC FW CL FW B2 B2 B2 PoP 12hr 20 0 5 0 60 QPF 12hr 0 0 0 0 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C Tstms C C S Heat index 80 82 Max heat 80 82 81 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 86 62 82 54 75 48 74 Temp 63 63 82 76 67 66 80 69 60 58 73 65 54 53 72 65 Dewpt 62 61 60 60 61 61 60 58 54 51 46 45 46 47 46 47 PWind dir SW SW SW W NW NW NW NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW FW SC SC SC B1 B1 SC SC SC FW FW FW FW PoP 12hr 30 5 10 50 20 10 0 5 Rain shwrs C S C S S Tstms S S $$ VAZ506-022000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 139 PM 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 86 Temp 76 76 69 63 58 56 57 72 79 79 72 67 64 63 64 76 83 82 73 Dewpt 56 55 56 55 56 55 57 58 57 56 58 58 59 58 61 63 63 62 66 RH 50 48 63 75 93 96100 61 47 45 61 73 84 84 90 64 51 51 79 Wind dir NE NE E S SW N N S S S S S S S S S S S S Wind spd 5 4 2 1 1 1 1 2 3 5 5 5 5 5 5 10 13 12 8 Wind gust 23 Clouds SC B1 SC FW FW FW SC SC FW FW FW SC FW FW FW FW B1 B1 B2 PoP 12hr 5 0 5 0 40 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S C S Heat index 84 83 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 62 88 66 87 60 76 53 76 Temp 65 65 84 79 70 68 84 71 64 61 74 66 57 56 74 67 Dewpt 65 65 67 66 65 66 66 66 59 56 53 51 49 50 51 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 FW SC SC SC B1 B1 B1 SC SC SC SC FW FW PoP 12hr 30 5 5 40 30 10 0 5 Rain shwrs C C C S Tstms S S $$ VAZ037-022000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 139 PM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 53 79 57 82 Temp 74 74 66 60 57 55 57 71 77 76 69 64 62 59 61 74 80 79 71 Dewpt 53 52 54 53 52 52 53 54 54 54 56 57 57 57 58 60 60 60 62 RH 48 46 65 78 83 90 86 55 45 46 63 78 84 93 90 62 51 52 73 Wind dir NE NE E N NW NW N S S S SE S S S S S S SW SW Wind spd 5 4 1 1 1 1 0 2 5 5 3 2 2 2 3 9 11 11 5 Clouds B1 B1 FW FW SC SC SC SC SC SC SC SC FW FW FW FW B1 B1 B1 PoP 12hr 10 0 10 5 30 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S Tstms S C S Heat index 81 Max heat 81 82 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 86 64 85 59 77 53 75 Temp 65 64 83 76 68 68 83 72 64 61 74 66 57 56 73 65 Dewpt 62 62 63 63 63 63 62 63 59 57 52 52 49 49 49 52 PWind dir SW SW SW W NW N N NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW FW FW SC SC B1 B1 B1 SC SC SC SC FW SC PoP 12hr 20 5 5 40 30 10 5 5 Rain shwrs S C C S Tstms S S $$ MDZ003-022000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 139 PM 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 53 82 60 86 Temp 76 75 69 62 58 55 57 72 79 79 72 66 64 61 62 76 83 77 69 Dewpt 55 53 54 54 54 52 54 56 54 51 54 55 56 56 58 61 60 62 64 RH 48 46 59 75 86 90 90 57 42 38 53 68 75 84 87 60 46 60 84 Wind dir NE E E SE SE E S S S S SE SE S S S S S SW SW Wind spd 5 3 2 1 1 1 1 2 5 5 5 5 5 5 5 9 12 10 5 Clouds B1 B1 SC FW FW CL CL FW FW FW FW SC FW FW CL FW B2 B2 B2 PoP 12hr 20 0 0 0 60 QPF 12hr 0 0 0 0 0.16 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 82 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 60 86 63 83 55 75 50 76 Temp 63 63 81 77 68 66 79 69 59 57 73 65 54 53 72 65 Dewpt 63 62 64 62 63 63 62 59 54 52 48 47 47 47 48 49 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 FW SC SC SC B1 B1 SC FW SC FW FW FW FW PoP 12hr 40 10 10 50 20 10 0 5 Rain shwrs C S C S S Tstms S S $$ MDZ017-022000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 139 PM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 61 79 64 83 Temp 74 74 69 66 63 62 65 72 75 76 70 68 67 66 68 76 80 81 75 Dewpt 59 58 59 60 60 60 61 60 59 57 59 61 62 61 62 63 63 64 66 RH 59 57 70 81 90 93 87 66 58 52 68 78 84 84 81 64 56 56 74 Wind dir N NE NE SE E NW N NE E SE SE S S S S S S S S Wind spd 6 5 3 2 2 2 3 3 5 5 5 6 6 6 8 10 13 14 11 Clouds SC B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 5 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 81 83 Max heat 81 83 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 86 72 86 65 77 61 76 Temp 71 71 83 78 76 75 84 74 69 68 74 69 64 65 74 68 Dewpt 65 65 68 69 68 69 69 69 64 60 56 56 54 55 52 54 PWind dir S S S S NW N N NE Wind char GN GN GN GN GN GN LT LT Avg clouds SC FW FW FW FW FW SC B1 B1 B1 B1 SC SC SC FW SC PoP 12hr 20 0 5 30 30 20 5 5 Rain shwrs S C C S Tstms S S S $$ WVZ502-022000- Petersburg WV 38.99N 79.15W Elev. 963 ft 139 PM 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 83 55 83 Temp 76 75 66 58 53 51 53 73 80 79 69 62 59 56 58 75 80 77 68 Dewpt 53 53 54 53 51 49 50 56 53 56 58 58 57 55 56 61 60 62 64 RH 45 46 65 83 93 93 89 55 39 45 68 87 93 96 93 62 51 60 87 Wind dir NE E E W S S S SE SE S S S S SW S SW SW SW SW Wind spd 4 3 2 2 2 2 2 2 2 4 4 4 4 4 4 6 10 8 5 Clouds SC SC FW FW FW SC SC FW SC B1 B1 SC FW FW SC SC B2 B2 B2 PoP 12hr 20 0 20 5 70 QPF 12hr 0 0 0 0 0.28 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S L L C Tstms C C S Obvis PF PF Heat index 80 81 Max heat 80 81 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 57 86 60 82 52 76 47 77 Temp 60 59 83 74 64 61 78 68 56 53 74 63 51 49 74 65 Dewpt 60 59 61 61 60 60 62 59 54 50 48 48 46 45 50 52 PWind dir SW SW SW W NW NW W SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW FW SC SC B1 B1 B1 SC SC SC FW FW SC SC PoP 12hr 30 5 10 50 20 10 0 5 Rain shwrs C C C S S Tstms S S $$ MDZ014-022000- Annapolis MD 38.99N 76.49W Elev. 7 ft 139 PM EDT Tue Sep 2 2025 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 61 76 65 81 Temp 73 74 70 67 64 62 64 72 75 76 72 69 68 67 68 75 79 80 75 Dewpt 57 56 57 60 60 60 60 59 58 55 57 61 62 61 61 62 63 62 64 RH 57 53 63 78 87 93 87 64 55 48 59 76 81 81 78 64 58 54 69 Wind dir NE E E SE S N N E SE SE S S S S S S S S S Wind spd 6 5 2 2 1 0 1 2 5 6 5 5 6 6 8 11 13 13 10 Clouds SC SC FW FW FW FW SC SC SC FW FW FW SC FW FW FW SC SC B1 PoP 12hr 0 0 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C Tstms S S Heat index 81 Max heat 81 Date Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 84 70 83 64 75 60 74 Temp 70 69 80 78 75 73 80 74 69 66 72 69 64 63 71 69 Dewpt 66 65 68 67 68 68 67 64 61 57 53 52 54 52 50 52 PWind dir S S SW SW NW N N NE Wind char LT GN LT GN LT LT LT LT Avg clouds B1 SC FW FW FW FW SC B1 B1 B1 SC SC SC FW FW SC PoP 12hr 30 5 5 40 30 10 5 5 Rain shwrs C C C S Tstms S S $$