Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
456 FOUS51 KLWX 011137 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 AM EDT Mon Sep 1 2025 VAZ054-012000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 80 61 80 61 81 Temp 60 73 78 79 72 68 65 62 63 73 77 79 72 67 65 62 63 73 77 78 73 Dewpt 53 53 51 51 53 56 57 56 56 54 51 49 51 53 55 54 55 55 52 52 54 RH 78 49 39 38 51 65 75 81 78 51 40 35 48 61 70 75 75 53 42 40 51 Wind dir N NE NE E E E N N NE NE E E SE S S SW SW S S S S Wind spd 5 9 11 10 8 5 4 4 5 6 6 6 5 4 3 3 2 4 6 9 9 Clouds FW FW SC SC FW FW FW FW FW FW SC SC SC SC FW SC SC SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 84 66 83 66 84 62 79 Temp 67 66 82 75 70 67 79 76 70 68 83 77 67 64 76 71 Dewpt 59 59 59 62 66 64 61 61 62 60 58 55 55 52 49 48 PWind dir S S S SW SW SW NW NW Wind char GN GN GN GN LT GN GN GN Avg clouds SC SC SC B1 B1 B1 SC SC FW FW FW SC SC SC SC FW PoP 12hr 5 20 50 20 5 10 10 5 Rain shwrs S C C S Tstms S S $$ MDZ013-012000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 57 78 58 79 Temp 58 71 77 77 70 64 60 57 59 69 75 77 70 65 62 59 61 73 76 76 71 Dewpt 56 56 55 55 58 58 58 56 57 57 55 54 55 55 56 55 57 56 57 56 58 RH 93 59 47 47 66 81 93 96 93 66 50 45 59 70 81 87 87 55 52 50 63 Wind dir N E E E E E N N N NE E E SE S S SW SW S S S S Wind spd 3 9 10 9 5 3 2 2 3 4 4 4 2 2 2 2 2 3 5 6 5 Clouds FW FW SC SC SC FW FW FW FW FW SC SC SC SC SC FW FW SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 83 64 80 63 82 59 78 Temp 65 64 80 72 66 65 77 73 67 65 80 73 64 61 75 69 Dewpt 60 61 62 65 66 65 64 63 62 60 61 59 56 54 52 51 PWind dir S S S SW SW SW NW NW Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC B1 B2 B1 SC SC FW FW FW SC SC SC FW FW PoP 12hr 5 20 50 20 10 10 10 5 Rain shwrs S C C S S Tstms S $$ MDZ011-012000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 83 63 82 64 82 Temp 60 76 80 81 75 70 67 64 64 74 79 81 75 72 68 65 65 76 79 80 76 Dewpt 53 52 52 51 53 56 56 55 54 53 52 50 51 53 54 54 54 53 52 52 53 RH 78 43 38 35 46 61 68 73 70 48 39 34 43 51 61 68 68 45 39 38 45 Wind dir N NE E E E E N N N NE E E S S S SW W S S S S Wind spd 4 8 10 9 5 3 3 4 4 6 4 4 2 1 1 1 1 3 5 6 5 Clouds FW FW SC B1 SC FW FW CL FW FW SC B1 SC SC SC FW FW SC B1 B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 80 Max heat 80 82 80 80 Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 85 68 83 67 85 64 80 Temp 70 67 82 77 72 68 80 78 73 68 83 78 70 64 77 73 Dewpt 59 58 59 61 65 63 61 61 62 59 58 56 55 52 49 47 PWind dir S S S SW SW SW NW NW Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC B1 B2 B1 SC SC FW FW FW SC SC SC FW FW PoP 12hr 5 20 60 20 10 10 10 5 Rain shwrs S L C S S Tstms C S $$ WVZ052-012000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 53 78 53 79 Temp 52 69 77 77 69 62 59 55 57 71 76 77 69 62 58 54 57 70 76 77 70 Dewpt 49 52 49 49 50 52 53 53 54 53 50 49 50 52 51 51 52 54 52 53 53 RH 89 55 37 37 51 70 80 93 90 53 40 37 51 70 77 90 83 57 43 43 55 Wind dir N NE E E E E N N N NE E E SE S SW N N S S S S Wind spd 3 5 8 8 3 2 1 1 1 2 3 2 1 1 1 0 0 2 5 5 4 Clouds FW CL SC B1 SC SC FW SC FW FW SC SC SC FW SC SC SC SC SC B1 SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 83 59 80 57 80 52 75 Temp 63 61 80 70 65 62 77 71 62 61 79 70 60 56 73 65 Dewpt 56 56 60 61 62 61 57 56 56 55 55 53 52 50 47 47 PWind dir S S SW SW SW W NW NW Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC B1 B2 B1 SC SC FW SC FW SC SC SC FW FW PoP 12hr 10 50 60 20 5 10 10 5 Rain shwrs C L C S Tstms C S $$ VAZ506-012000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 56 78 56 80 Temp 54 71 77 77 69 64 60 57 58 70 76 77 70 63 59 57 59 71 76 77 71 Dewpt 53 57 54 54 55 57 57 56 57 58 55 54 55 54 55 54 56 59 57 57 58 RH 96 61 45 45 61 78 90 96 96 66 48 45 59 72 87 90 90 66 52 50 63 Wind dir N NE NE E E E N N N NE NE NE E S SW SW SW S S S S Wind spd 4 5 9 9 5 3 1 2 2 3 3 3 2 2 2 2 1 3 5 5 5 Clouds FW FW SC SC SC SC FW FW FW FW SC SC SC SC FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 83 62 81 60 82 57 77 Temp 65 63 81 72 66 64 77 73 64 63 80 73 62 59 74 67 Dewpt 59 60 63 66 66 64 63 62 60 59 61 58 55 54 53 52 PWind dir S S S SW SW W NW NW Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC B1 B1 B1 SC SC FW FW FW SC SC SC FW FW PoP 12hr 5 30 50 20 5 10 10 5 Rain shwrs C C C S Tstms S S $$ VAZ037-012000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 54 77 54 78 Temp 53 69 75 75 67 61 58 55 57 71 75 76 67 61 58 56 58 69 75 75 69 Dewpt 50 52 50 51 53 53 53 53 54 54 52 51 53 54 53 53 54 55 54 55 56 RH 89 55 41 43 61 75 83 93 90 55 45 42 61 78 83 90 86 61 48 50 63 Wind dir N NE NE NE NE N N N N NE NE NE N NW NW W W S S S S Wind spd 4 6 9 8 4 2 2 2 2 4 5 3 1 1 1 1 1 3 5 5 3 Clouds CL FW SC FW FW SC SC FW FW SC B1 B1 SC SC SC SC SC SC B1 B1 SC PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 81 61 81 59 82 57 77 Temp 62 61 78 70 65 63 78 71 64 61 80 71 62 59 74 67 Dewpt 56 58 61 63 64 63 60 60 57 58 57 57 55 54 52 52 PWind dir S S SW SW W SW NW N Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC B1 B1 B1 FW FW FW FW FW FW SC SC FW FW PoP 12hr 5 30 50 10 5 10 10 5 Rain shwrs C C S Tstms C S $$ MDZ003-012000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 54 79 55 80 Temp 54 72 77 77 69 62 58 55 57 72 77 78 69 62 58 55 58 70 77 77 70 Dewpt 51 54 52 51 52 54 54 53 55 55 54 52 53 53 53 51 53 56 54 54 55 RH 90 53 42 40 55 75 86 93 93 55 45 40 57 72 83 86 83 61 45 45 59 Wind dir N E E E E E N N N NE E E SE SE S S S S S S S Wind spd 4 6 8 9 4 2 2 2 2 2 3 3 2 2 2 1 1 3 5 5 5 Clouds FW CL SC SC SC FW SC FW FW FW SC SC FW SC FW SC FW SC B1 SC SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 83 60 78 57 80 52 75 Temp 63 62 80 69 64 61 76 70 61 60 78 69 58 56 72 65 Dewpt 56 58 63 63 64 61 59 56 56 55 58 54 52 51 49 48 PWind dir S S S SW SW W NW NW Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC B2 B2 B1 SC SC FW FW FW SC SC FW FW FW PoP 12hr 10 50 70 20 10 10 10 5 Rain shwrs C L C S S Tstms C S $$ MDZ017-012000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 61 77 61 78 Temp 65 71 76 78 72 67 64 62 64 70 74 76 69 66 64 62 65 73 76 76 70 Dewpt 59 58 58 57 58 59 59 59 60 58 57 56 57 59 60 59 61 59 58 57 60 RH 81 63 54 48 61 75 84 90 87 66 55 50 66 78 87 90 87 62 54 52 71 Wind dir NE NE NE NE E E NE NE NE NE N N E SE S SW W S SE SE S Wind spd 9 12 10 10 9 6 5 6 8 6 5 5 3 3 3 3 3 4 6 8 8 Clouds FW FW SC B1 FW CL FW FW FW FW SC SC SC FW FW FW FW FW SC FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 81 67 81 67 82 64 78 Temp 67 68 79 73 70 69 78 73 71 71 81 74 69 67 75 70 Dewpt 61 63 63 66 67 67 66 66 66 65 63 64 61 58 55 56 PWind dir S S S S S SW NW N Wind char LT GN GN GN LT LT LT GN Avg clouds FW FW FW SC B1 B1 SC SC FW FW FW FW SC SC FW SC PoP 12hr 0 10 40 20 5 10 20 10 Rain shwrs C C S S Tstms S $$ WVZ502-012000- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 49 78 53 80 Temp 48 68 77 77 67 58 54 51 51 70 76 77 67 59 55 54 54 71 77 76 68 Dewpt 47 52 51 51 53 52 50 48 49 54 51 52 54 54 52 51 52 56 54 56 58 RH 96 57 40 40 61 80 86 89 93 57 42 42 63 83 90 90 93 59 45 50 70 Wind dir NW NE NE NE NE NW SW SW SW E E E E S SW SW SW S S S S Wind spd 2 2 5 4 2 2 2 1 1 2 2 2 2 2 2 2 2 2 4 4 4 Clouds FW FW SC SC SC FW FW FW FW FW SC B1 SC SC SC SC SC SC B2 B1 SC 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 S Tstms S S Obvis PF PF Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 56 81 55 80 54 80 49 76 Temp 59 58 78 68 60 56 77 68 58 56 78 68 55 51 73 64 Dewpt 56 56 63 63 60 56 54 55 51 52 55 54 51 49 49 50 PWind dir S SW SW SW SW W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B2 B2 B1 SC SC FW SC SC SC SC SC FW FW PoP 12hr 20 70 60 20 10 10 10 5 Rain shwrs S S L L S S S Tstms C S S $$ MDZ014-012000- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 AM EDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 61 76 61 77 Temp 62 70 73 75 72 67 64 63 64 70 74 76 71 67 65 63 64 71 75 75 72 Dewpt 58 56 56 55 57 59 59 58 59 57 56 54 54 58 58 58 57 56 57 56 58 RH 87 61 55 50 59 75 84 84 84 63 53 46 55 73 78 84 78 59 54 52 61 Wind dir N NE NE E E E NE N N NE NE E SE SE S SW SW S S S S Wind spd 5 10 10 9 8 5 3 5 5 6 5 4 2 2 2 2 2 4 8 9 6 Clouds CL FW SC SC FW FW CL FW FW FW SC SC SC SC FW FW FW SC SC SC FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 80 66 79 66 80 62 75 Temp 68 67 78 74 70 68 76 74 70 68 79 75 68 65 73 70 Dewpt 61 61 63 64 67 66 65 65 65 63 63 61 60 56 53 52 PWind dir S S S SW SW SW NW N Wind char LT GN GN GN LT LT LT LT Avg clouds SC SC SC SC B1 B1 SC SC FW FW FW FW SC SC SC FW PoP 12hr 5 20 50 20 10 10 20 5 Rain shwrs S C C S S S Tstms S $$