Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
679 FOUS51 KLWX 312038 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 438 PM EDT Sun Aug 31 2025 VAZ054-010800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 438 PM EDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 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 80 61 80 61 Temp 77 70 64 60 58 60 74 78 78 72 68 64 62 64 72 77 77 72 68 65 63 65 Dewpt 45 47 49 51 51 53 53 50 49 53 56 57 56 56 55 52 50 51 53 55 55 55 RH 32 44 58 72 77 78 48 37 36 51 65 78 81 75 55 42 39 48 59 70 75 70 Wind dir NE E NE N N N NE NE NE E E NE N N NE NE E SE S S SW SW Wind spd 9 5 4 3 4 5 9 11 10 8 5 3 4 5 5 6 6 5 4 3 3 2 Clouds B1 FW FW FW FW CL FW FW FW FW FW FW FW FW FW SC B1 SC B1 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 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 79 64 84 67 82 64 83 61 78 Temp 78 72 67 67 81 74 70 69 79 74 69 68 80 74 66 64 76 70 Dewpt 53 54 59 60 59 62 65 65 62 61 60 58 56 55 54 52 48 48 PWind dir S S S S SW SW W NW NW Wind char LT GN GN GN GN LT GN LT LT Avg clouds SC B1 B1 B1 SC B1 B1 B1 SC B1 SC SC FW SC SC SC FW FW PoP 12hr 5 10 30 50 30 10 10 5 5 Rain shwrs C C C S C Tstms S S S $$ MDZ013-010800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 438 PM EDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 80 59 78 59 Temp 76 69 62 59 56 60 73 77 77 70 65 61 59 61 71 76 77 70 66 63 61 62 Dewpt 47 51 52 52 53 56 55 55 54 57 58 58 56 58 57 55 54 55 56 57 56 57 RH 36 53 70 78 90 87 53 47 45 63 78 90 90 90 61 48 45 59 70 81 84 84 Wind dir NE NE NW N N N NE E E E E NE N N NE NE E SE S S SW SW Wind spd 8 3 2 2 2 3 6 8 8 5 3 2 2 3 4 4 4 2 2 2 2 2 Clouds B1 SC SC SC FW FW CL FW SC FW FW FW FW FW FW SC SC SC SC B1 SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 63 82 64 80 62 81 59 77 Temp 77 70 65 65 80 72 67 66 77 72 66 65 78 72 63 61 75 69 Dewpt 56 58 60 62 63 64 65 65 64 63 60 60 58 58 54 53 51 51 PWind dir S S S S S SW W NW NW Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC B1 SC B1 SC B1 B2 B1 B1 B1 SC FW FW SC SC SC FW FW PoP 12hr 5 10 30 60 30 10 10 10 5 Rain shwrs C L C C C Tstms S C S $$ MDZ011-010800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 438 PM EDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 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 83 63 82 64 Temp 79 73 69 63 62 64 77 79 80 74 71 65 64 66 75 78 80 74 72 68 66 67 Dewpt 46 47 50 50 52 53 52 51 50 53 56 56 56 55 53 52 50 51 54 56 55 54 RH 31 40 51 62 70 67 42 38 35 48 59 73 75 68 46 40 35 44 53 65 68 63 Wind dir NE NE N N N N NE E E E E NE N N NE E E SE SE S SW SW Wind spd 6 2 2 1 2 3 5 8 8 5 2 2 2 2 4 4 4 2 2 1 1 1 Clouds B1 SC B1 SC FW CL CL SC B1 FW FW FW FW FW FW SC B1 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 Heat index 80 80 Max heat 80 80 80 Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 81 66 85 69 84 66 84 64 80 Temp 78 73 70 70 82 75 72 71 81 75 71 70 81 74 68 66 77 71 Dewpt 53 53 58 59 59 61 65 63 62 61 59 58 56 55 53 51 49 48 PWind dir S S S S S SW W NW NW Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC B1 SC B1 SC B1 B2 B1 B1 B1 SC FW FW SC SC SC FW SC PoP 12hr 5 10 30 60 30 10 10 10 5 Rain shwrs C L C C C Tstms S C S $$ WVZ052-010800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 438 PM EDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 48 78 54 78 53 Temp 76 66 57 52 49 54 71 77 76 69 62 59 56 57 71 76 76 69 62 58 55 58 Dewpt 44 46 48 47 47 49 51 49 49 50 52 53 52 54 54 50 49 51 52 52 51 53 RH 32 48 72 83 93 83 49 37 39 51 70 80 86 90 55 40 39 53 70 80 86 83 Wind dir NE NE N N N N NE E E E NE N N N NE E E SE S SW SW SW Wind spd 8 4 2 2 2 3 5 5 6 3 2 0 1 1 2 3 2 2 1 1 1 1 Clouds SC FW FW FW FW CL CL SC B1 SC SC SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 58 81 60 80 56 79 52 75 Temp 75 69 62 62 79 69 65 63 76 70 61 60 77 68 58 56 72 65 Dewpt 54 54 55 57 60 62 62 60 58 56 56 55 53 51 50 49 47 48 PWind dir S S S S SW SW W NW NW Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC B1 B1 B1 B1 B1 B2 B1 B1 B1 FW SC FW FW FW FW FW FW PoP 12hr 10 20 50 50 30 10 10 5 5 Rain shwrs S C C C C C Tstms S S S $$ VAZ506-010800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 438 PM EDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 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 79 56 79 57 Temp 76 68 61 56 54 55 72 77 77 69 64 60 57 58 71 77 77 70 64 60 58 59 Dewpt 47 51 51 51 50 53 57 54 54 55 56 58 56 57 58 55 54 54 55 55 54 56 RH 36 54 70 83 86 93 59 45 45 61 75 93 96 96 63 47 45 57 73 84 86 90 Wind dir NE NE N N N N NE NE NE E E N N N NE NE NE SE S S SW SW Wind spd 8 4 2 2 3 4 5 6 6 4 2 1 2 2 3 4 3 3 2 2 2 2 Clouds SC SC FW FW FW FW FW SC SC SC SC FW FW FW FW SC B1 B1 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 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 77 61 83 63 80 60 82 56 77 Temp 77 69 64 63 80 72 66 65 77 72 64 62 78 71 61 58 74 67 Dewpt 57 58 59 61 64 66 65 65 64 62 59 59 58 57 53 53 51 51 PWind dir S S S S SW SW W NW NW Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC FW FW SC SC SC FW FW PoP 12hr 5 10 40 50 30 10 5 5 5 Rain shwrs C C C S C Tstms S S $$ VAZ037-010800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 438 PM EDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 77 54 77 54 Temp 74 66 58 54 51 54 70 74 74 67 61 57 56 57 70 75 74 67 61 58 57 59 Dewpt 48 50 49 48 48 50 51 50 50 52 52 52 53 54 54 52 52 54 54 53 53 54 RH 40 56 72 80 89 86 51 43 43 59 72 83 90 90 57 45 46 63 78 83 86 83 Wind dir NE NE N N N N NE NE NE NE N N NW N NE NE E SE SW W W W Wind spd 6 4 2 2 3 4 6 8 8 4 2 2 2 2 3 5 4 2 1 1 1 1 Clouds SC CL CL FW FW CL FW SC FW FW FW FW SC FW FW B1 B1 SC SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 58 80 61 80 58 81 56 77 Temp 73 68 61 61 78 70 65 64 78 70 63 62 78 70 61 58 74 67 Dewpt 54 56 56 58 61 62 63 63 60 59 57 57 54 55 53 52 49 51 PWind dir S S S SW SW SW W NW NW Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC B1 B1 B1 SC B1 B1 B1 SC SC FW SC FW FW SC SC FW FW PoP 12hr 10 20 40 50 20 10 10 5 5 Rain shwrs S S C C S S S Tstms C S S $$ MDZ003-010800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 438 PM EDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 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 51 80 55 79 55 Temp 76 67 58 54 51 56 72 77 76 69 63 59 56 58 72 76 76 69 62 59 56 58 Dewpt 45 50 49 49 48 51 54 52 52 52 53 54 53 55 56 54 52 54 53 53 52 54 RH 33 54 72 83 89 83 53 42 43 55 70 83 90 90 57 46 43 59 72 80 86 86 Wind dir NE NE NE N N N NE NE NE NE E NE N N NE E E SE SE S S S Wind spd 6 4 3 3 4 4 5 6 6 4 2 2 2 2 2 3 3 2 2 2 2 2 Clouds SC FW FW FW CL CL CL SC SC SC SC FW FW FW FW B1 B1 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 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 77 60 82 60 78 57 79 52 76 Temp 76 69 63 63 79 70 64 63 75 69 61 60 76 68 57 56 73 65 Dewpt 56 55 56 58 62 64 63 61 60 56 56 55 55 52 51 51 49 48 PWind dir S S S S SW SW W NW NW Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC B1 B1 B1 B1 B2 B2 B1 B1 B1 FW FW FW FW FW FW FW FW PoP 12hr 10 20 60 60 30 10 10 5 5 Rain shwrs S L L C C C Tstms S S S $$ MDZ017-010800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 438 PM EDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 78 61 76 62 Temp 76 68 64 63 60 64 72 76 75 70 66 63 62 65 71 74 75 70 66 64 63 65 Dewpt 52 55 56 56 57 59 58 58 57 58 58 59 59 61 59 57 56 57 58 60 59 61 RH 43 63 75 78 90 84 61 54 54 66 75 87 90 87 66 55 52 63 75 87 87 87 Wind dir N NE E NE NE NE NE NE NE E E NE NE NE N N N E SE S W W Wind spd 11 5 5 5 6 9 10 10 10 9 6 5 6 8 8 6 5 3 4 3 3 3 Clouds B1 SC SC CL CL CL FW SC SC FW CL FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 65 80 67 81 66 82 63 77 Temp 76 70 68 69 79 73 70 71 79 73 69 69 80 72 68 67 76 70 Dewpt 59 60 62 64 64 66 67 68 67 67 64 64 61 62 60 58 54 55 PWind dir S S S S S S SW NW N Wind char LT LT GN GN GN LT LT LT LT Avg clouds SC SC SC SC FW SC B1 B1 SC SC FW FW FW FW SC SC FW FW PoP 12hr 5 5 20 40 30 10 5 10 5 Rain shwrs S C C S C Tstms S $$ WVZ502-010800- Petersburg WV 38.99N 79.15W Elev. 963 ft 438 PM EDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 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 46 78 50 78 52 Temp 77 64 55 50 47 48 69 76 76 67 58 54 51 52 69 76 75 67 60 56 53 54 Dewpt 50 51 49 47 45 46 53 51 52 52 51 50 48 49 55 52 52 55 53 52 51 52 RH 39 63 80 89 93 93 57 42 43 59 77 86 89 89 61 43 45 65 78 86 93 93 Wind dir NE NE NW NW NW NW NE NE NE E W SW SW SW E E E SE SW SW SW SW Wind spd 4 3 2 2 2 2 2 5 5 3 2 2 2 1 2 2 2 2 2 2 2 2 Clouds FW FW FW CL FW FW FW SC SC SC SC FW FW SC SC B1 B1 B1 B1 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 Obvis PF PF Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 76 56 82 56 79 54 80 49 77 Temp 75 68 60 58 78 69 60 58 76 68 58 56 77 67 53 51 73 64 Dewpt 56 58 56 56 61 63 60 57 55 54 53 52 54 54 50 48 49 50 PWind dir S S SW SW SW SW W W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 SC B1 B2 B2 B1 B1 SC SC SC SC SC SC FW FW SC PoP 12hr 30 30 70 60 30 10 10 5 5 Rain shwrs C C S C L L C C S Tstms S C S S $$ MDZ014-010800- Annapolis MD 38.99N 76.49W Elev. 7 ft 438 PM EDT Sun Aug 31 2025 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 77 61 75 62 Temp 76 71 64 61 60 63 72 74 75 72 67 64 63 65 70 73 75 71 68 65 64 65 Dewpt 49 51 56 57 57 58 56 56 54 57 58 58 58 59 57 56 53 55 58 59 58 58 RH 39 49 75 87 90 84 57 53 48 59 73 81 84 81 63 55 46 57 70 81 81 78 Wind dir NE NE SE E N N NE NE NE E E NE NE N NE NE E SE S S SW SW Wind spd 8 4 2 1 3 5 9 10 10 8 5 2 4 5 5 6 5 2 2 2 2 2 Clouds B1 SC SC SC FW CL CL FW SC FW FW CL FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/03 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 64 79 67 79 65 79 62 74 Temp 75 71 68 68 77 74 70 70 76 74 69 68 76 73 67 65 73 70 Dewpt 57 57 62 62 63 64 66 65 66 63 63 61 59 59 57 56 52 52 PWind dir S S S S S SW SW NW NW Wind char LT LT GN GN GN LT LT LT LT Avg clouds SC SC SC B1 SC B1 B2 B1 B1 B1 FW FW FW SC SC SC FW FW PoP 12hr 5 10 30 60 30 10 10 10 5 Rain shwrs C L C C C Tstms S S $$