Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
745 FOUS51 KLWX 012038 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 438 PM EDT Mon Sep 1 2025 VAZ054-020800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 438 PM EDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 78 61 82 64 Temp 79 71 67 63 61 63 71 76 77 71 67 64 62 64 75 79 80 73 70 68 66 68 Dewpt 51 53 56 57 57 56 55 52 50 52 54 56 55 56 55 52 51 54 56 57 58 58 RH 38 53 68 81 87 78 57 43 39 51 63 75 78 75 50 39 36 51 61 68 75 70 Wind dir E E E NE N NE NE NE E SE SE S N N S S S SE S S S S Wind spd 10 9 6 4 5 5 8 8 6 5 3 2 2 2 3 5 8 9 9 8 8 8 Clouds SC FW FW FW SC FW SC SC SC SC FW FW SC SC FW SC SC SC SC SC SC SC PoP 12hr 0 10 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 80 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 67 85 68 87 63 79 59 75 Temp 83 76 70 69 83 78 72 72 84 77 69 66 76 70 63 62 74 67 Dewpt 59 61 64 64 63 62 64 63 60 59 56 53 49 49 50 49 48 49 PWind dir S S SW S SW NW N N N Wind char GN GN GN LT GN GN LT LT LT Avg clouds SC B1 B1 SC SC SC FW SC FW SC B1 B1 SC SC SC SC SC SC PoP 12hr 30 40 10 5 20 20 10 5 5 Rain shwrs C C S S S Tstms S S S $$ MDZ013-020800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 438 PM EDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 78 58 80 62 Temp 77 70 64 61 59 60 70 75 75 69 64 61 59 61 73 77 78 71 67 64 63 65 Dewpt 55 57 58 58 57 59 58 56 54 56 57 58 57 58 59 57 56 57 58 59 59 61 RH 47 63 81 90 93 96 66 52 48 63 78 90 93 90 62 50 47 61 73 84 87 87 Wind dir E E E NE N N NE E E E SE S NW N SE SE SE S S S S S Wind spd 9 5 3 2 3 4 5 5 4 2 2 1 1 1 2 4 5 4 4 4 4 5 Clouds SC FW CL FW FW FW FW SC SC SC FW FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 5 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 64 84 66 85 60 77 57 75 Temp 81 73 67 66 81 76 69 68 82 74 66 62 75 69 60 59 73 67 Dewpt 62 64 65 65 65 65 65 65 63 61 56 54 51 52 51 51 51 53 PWind dir S S SW S SW NW N N NE Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 SC SC SC FW SC FW SC B1 B1 SC SC SC SC SC SC PoP 12hr 30 50 20 10 20 20 10 5 5 Rain shwrs C C S S S S Tstms S S S $$ MDZ011-020800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 438 PM EDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 80 63 83 67 Temp 81 74 71 66 64 65 74 78 79 73 70 66 65 66 77 79 81 75 73 69 69 70 Dewpt 51 54 56 56 55 55 54 52 50 51 55 56 56 56 54 53 52 53 56 58 59 58 RH 35 50 59 70 73 70 50 40 36 46 59 70 73 70 45 41 37 46 55 68 70 66 Wind dir E E E NE N N NE E E E SE SE N N SE SE SE S S S S S Wind spd 9 5 3 3 3 4 6 5 5 2 1 1 0 1 2 5 5 4 4 4 4 4 Clouds B1 SC FW FW FW FW FW SC SC SC FW FW FW FW FW SC SC SC SC SC 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 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 68 86 70 87 65 79 61 77 Temp 83 76 72 71 83 78 74 73 84 76 70 67 76 70 65 63 75 69 Dewpt 60 61 63 63 63 62 64 62 60 57 55 52 49 48 49 48 48 49 PWind dir S S SW S SW NW N N NE Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 SC SC FW SC FW SC B1 B1 SC SC SC SC SC SC PoP 12hr 30 50 20 10 20 20 10 5 5 Rain shwrs C C S S S S Tstms S S S $$ WVZ052-020800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 438 PM EDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 78 52 81 59 Temp 77 69 62 58 55 58 70 76 75 69 61 57 54 57 72 79 78 71 66 64 60 62 Dewpt 49 50 52 53 53 54 53 51 49 50 52 51 51 52 53 51 50 52 54 55 54 56 RH 37 51 70 83 93 86 55 42 40 51 72 80 90 83 51 38 37 51 65 73 81 81 Wind dir E E E N N N E E E E N N N N S S S S S S S S Wind spd 8 3 2 1 1 2 3 4 2 1 0 0 0 0 2 4 5 5 5 5 5 5 Clouds B1 SC FW SC FW FW FW SC SC FW FW FW FW FW FW SC SC SC SC SC SC FW PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 59 83 59 82 53 75 50 73 Temp 80 70 64 63 80 73 64 64 79 70 60 58 73 65 56 54 70 64 Dewpt 59 61 62 61 59 58 59 58 56 54 53 51 47 47 48 47 47 48 PWind dir S S SW SW W NW NW N N Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC B2 B1 B1 FW SC FW SC SC SC SC SC FW FW SC SC FW SC PoP 12hr 60 50 20 5 20 10 5 5 5 Rain shwrs L C S S S Tstms C S S $$ VAZ506-020800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 438 PM EDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 78 56 82 62 Temp 77 69 64 59 56 58 70 76 76 69 62 59 57 58 72 79 79 71 67 64 62 64 Dewpt 54 55 57 57 56 58 58 55 54 55 55 56 55 56 58 56 55 58 57 57 57 59 RH 45 61 78 93100100 66 48 46 61 78 90 93 93 61 45 44 63 70 78 84 84 Wind dir E E E N N N NE NE NE E S SW W NW S S S S S S S S Wind spd 9 5 3 1 2 3 4 4 3 2 2 1 1 1 2 4 5 5 5 5 5 5 Clouds SC SC SC FW FW SC FW SC SC SC FW FW FW SC FW SC SC B1 SC SC SC FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 63 84 63 85 58 77 54 74 Temp 82 72 66 64 81 76 68 66 82 73 64 59 74 67 58 56 72 65 Dewpt 63 66 65 64 65 64 63 63 62 60 56 54 52 52 50 50 52 53 PWind dir S S SW S W NW NW N N Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 SC SC SC FW SC SC SC B1 SC SC SC SC SC SC SC PoP 12hr 40 40 20 5 20 20 10 5 5 Rain shwrs C C S S S S Tstms S S S $$ VAZ037-020800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 438 PM EDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 53 76 53 79 58 Temp 75 67 61 57 55 57 69 74 73 66 60 57 56 58 71 77 76 69 64 61 60 62 Dewpt 51 52 53 53 53 54 55 52 51 53 54 53 52 53 54 54 54 56 56 56 56 58 RH 43 59 75 86 93 90 61 46 46 63 81 86 86 83 55 45 46 63 75 84 87 87 Wind dir NE NE N N N N NE NE NE E NW NW NW W S S S S S S S S Wind spd 8 4 2 2 2 2 4 5 4 1 1 1 1 1 2 5 5 3 2 2 3 4 Clouds FW FW FW FW FW FW SC B1 SC SC FW FW SC FW FW SC B1 B1 SC SC FW FW PoP 12hr 0 0 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 61 83 62 84 58 77 54 74 Temp 79 71 65 64 81 73 66 65 82 73 64 61 75 67 59 57 71 65 Dewpt 60 61 63 62 61 62 61 62 59 60 57 56 52 53 51 50 50 52 PWind dir S SW SW SW SW NW N N NE Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW B1 B1 SC FW FW FW FW FW SC B1 SC SC SC SC SC SC SC PoP 12hr 40 40 10 5 20 20 10 5 5 Rain shwrs C C S S Tstms C S S $$ MDZ003-020800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 438 PM EDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 78 54 82 61 Temp 77 69 63 59 56 58 71 76 75 69 62 58 55 58 72 79 78 71 66 64 61 64 Dewpt 51 53 53 55 53 55 56 54 52 53 53 53 52 53 55 54 52 55 55 56 55 57 RH 40 57 70 87 90 90 59 46 45 57 72 83 90 83 55 42 40 57 68 75 81 78 Wind dir E E E NE N N NE E E E E E NE E S S S S S S S S Wind spd 9 4 2 2 2 2 3 4 3 2 2 1 1 1 3 5 5 5 5 5 5 5 Clouds SC FW FW SC FW CL FW B1 SC FW FW FW FW FW FW SC SC SC SC SC SC FW PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 60 82 60 82 53 76 51 74 Temp 81 70 65 63 79 73 64 64 79 69 59 57 72 65 55 54 71 64 Dewpt 62 63 63 62 61 60 59 59 58 55 53 51 49 49 48 47 49 49 PWind dir S S SW S W NW NW N N Wind char GN LT LT LT GN LT LT LT LT Avg clouds SC B2 B2 B1 SC SC FW SC SC SC SC SC FW SC FW FW FW SC PoP 12hr 60 60 20 10 20 20 5 5 5 Rain shwrs L L S S S S Tstms C S S $$ MDZ017-020800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 438 PM EDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 76 61 79 65 Temp 78 70 66 64 62 65 70 73 74 69 66 64 62 65 72 76 76 71 68 68 66 69 Dewpt 57 58 58 59 59 61 59 59 58 59 59 60 60 61 59 58 56 58 61 62 62 63 RH 48 66 75 84 90 87 68 62 57 70 78 87 93 87 64 54 50 63 78 81 87 81 Wind dir NE E E NE NE NE NE N NE E E NE N N NE SE SE SE S S S S Wind spd 10 9 6 5 6 8 8 6 5 3 3 2 2 3 3 5 5 6 6 5 5 5 Clouds B1 FW CL CL SC FW SC SC SC B1 FW FW FW FW FW FW FW SC SC SC FW FW PoP 12hr 0 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 67 84 69 85 65 77 62 75 Temp 80 74 70 71 81 76 73 73 83 75 70 68 75 70 65 66 73 67 Dewpt 63 65 66 67 68 67 68 68 67 66 62 59 55 55 56 55 54 55 PWind dir S S S S S NW N N N Wind char GN GN GN GN LT LT GN LT GN Avg clouds FW SC B1 SC FW SC FW FW FW SC B1 B1 SC SC SC SC SC SC PoP 12hr 10 30 10 10 20 20 10 10 5 Rain shwrs C S S S Tstms S S $$ WVZ502-020800- Petersburg WV 38.99N 79.15W Elev. 963 ft 438 PM EDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 78 51 82 56 Temp 77 66 58 54 51 51 69 76 75 66 59 54 52 53 73 78 78 68 62 59 57 59 Dewpt 51 53 51 50 49 50 55 52 52 54 52 51 50 50 56 53 55 58 56 55 54 55 RH 40 63 77 86 93 96 61 43 45 65 78 90 93 89 55 42 45 70 81 87 90 87 Wind dir NE E NW SW SW W E NE E E SW SW SW SW S S SW S S S S S Wind spd 4 2 2 2 1 1 2 2 2 2 2 2 2 2 2 3 4 4 4 3 4 5 Clouds SC SC SC FW FW FW FW SC SC SC FW FW FW SC SC B1 B1 B1 B1 SC SC SC PoP 12hr 0 5 0 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S Obvis PF Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 56 83 57 82 50 77 47 76 Temp 78 69 61 58 80 70 61 59 79 68 56 52 73 64 52 50 72 64 Dewpt 62 63 61 58 57 57 56 55 57 55 52 49 49 49 47 46 49 51 PWind dir SW SW SW SW W NW NW NW NE Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC B2 B2 SC FW SC FW SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 70 50 20 10 30 20 10 5 5 Rain shwrs S L C S C S Tstms C S S $$ MDZ014-020800- Annapolis MD 38.99N 76.49W Elev. 7 ft 438 PM EDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 75 61 77 64 Temp 75 71 66 63 62 64 69 72 75 71 67 64 62 64 72 74 76 72 69 68 67 68 Dewpt 55 57 59 60 59 59 58 57 54 56 59 60 59 59 58 57 55 57 61 62 62 62 RH 50 61 78 90 90 84 68 59 48 59 75 87 90 84 61 55 48 59 76 81 84 81 Wind dir E E E NE NE NE NE NE NE E SE SE W N SE SE SE S S S S S Wind spd 9 8 5 3 5 6 8 6 5 2 2 1 1 1 3 5 6 5 6 5 5 6 Clouds SC FW CL FW FW SC SC SC SC SC FW FW FW FW FW SC SC FW SC SC SC SC PoP 12hr 0 20 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 66 81 68 82 63 75 60 72 Temp 78 75 70 69 79 76 72 72 80 75 69 66 73 70 65 63 71 68 Dewpt 63 63 66 65 66 66 67 66 64 63 60 56 52 53 54 53 53 53 PWind dir S S S S SW NW N N NE Wind char GN GN GN LT LT LT LT LT LT Avg clouds SC SC B1 SC SC SC FW FW FW SC B1 B1 SC SC SC SC SC SC PoP 12hr 20 40 20 10 20 20 10 5 5 Rain shwrs S C S S S S S Tstms S S $$