Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
973 FOUS51 KLWX 060629 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 229 AM EDT Sun Sep 6 2026 VAZ054-062000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 229 AM EDT Sun Sep 6 2026 Date Sun 09/06/26 Mon 09/07/26 Tue 09/08/26 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 85 66 84 65 86 Temp 68 69 77 82 83 78 72 69 67 68 76 81 83 76 70 67 65 66 78 83 85 79 Dewpt 61 61 61 59 60 60 61 62 63 63 61 59 58 57 58 59 59 59 60 59 58 58 RH 78 76 58 46 46 54 68 78 87 84 60 47 43 52 66 75 81 78 54 44 40 49 Wind dir N N N N NE NE NE NE NE NE NE E SE SE SE S SW W SW SW S S Wind spd 9 9 9 9 10 8 6 5 5 6 6 6 6 8 4 3 4 5 6 6 9 10 Clouds SC CL CL SC SC SC FW FW FW SC SC SC B1 SC FW FW FW FW FW SC SC SC PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 83 81 83 83 Max heat 82 83 81 83 83 84 Date Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 74 90 68 82 65 83 Temp 70 69 86 83 76 75 87 82 72 68 78 75 67 66 81 77 Dewpt 59 59 62 61 63 64 66 63 62 60 56 55 57 57 58 58 PWind dir S SW SW W NW NW N SE Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC FW FW FW B1 B1 B1 SC FW FW FW FW FW PoP 12hr 0 0 5 40 20 10 5 10 Rain shwrs C S Tstms S S $$ MDZ013-062000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 229 AM EDT Sun Sep 6 2026 Date Sun 09/06/26 Mon 09/07/26 Tue 09/08/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 63 81 62 84 Temp 65 66 75 80 80 74 69 66 65 65 74 78 79 72 67 64 62 64 77 82 83 77 Dewpt 61 63 65 63 63 63 64 64 64 64 64 61 60 61 60 60 59 61 63 62 62 63 RH 87 90 71 56 56 69 84 93 97 97 71 56 52 68 78 87 90 90 62 51 49 62 Wind dir N N NE NE NE NE NE NE N N NE E E SE E S W W SW S S S Wind spd 4 4 5 6 6 4 3 2 3 3 4 4 4 2 1 1 2 2 3 4 6 5 Clouds FW FW FW SC FW FW FW FW SC SC FW SC B1 SC FW FW FW FW FW SC SC SC PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 81 83 84 Max heat 81 83 81 83 84 Date Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 88 73 89 67 82 63 82 Temp 67 67 86 81 75 74 86 81 70 67 79 75 66 65 79 75 Dewpt 61 61 65 66 65 66 69 66 62 61 58 58 58 59 60 62 PWind dir S SW SW W NW NW N SE Wind char LT GN GN GN LT LT LT LT Avg clouds SC SC SC SC FW FW FW B1 SC B1 SC FW FW FW FW FW PoP 12hr 0 0 5 30 20 5 5 10 Rain shwrs C S Tstms S S $$ MDZ011-062000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 229 AM EDT Sun Sep 6 2026 Date Sun 09/06/26 Mon 09/07/26 Tue 09/08/26 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 65 82 64 85 Temp 66 68 76 81 81 74 69 67 65 67 75 79 80 73 68 66 64 66 77 83 84 78 Dewpt 59 59 60 59 59 58 59 62 62 60 59 56 56 55 56 58 58 57 58 57 58 58 RH 78 73 58 47 47 57 70 84 90 78 58 45 44 53 65 75 81 73 52 41 41 50 Wind dir N N N N NE NE NE NE N N NE E SE SE N N W W SW S S S Wind spd 4 4 5 6 6 4 3 2 2 3 3 3 4 2 0 0 1 1 3 4 6 4 Clouds FW FW FW FW SC SC SC FW SC SC FW SC SC SC FW FW FW FW SC SC SC SC PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 81 80 84 Max heat 81 82 81 82 84 Date Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 75 89 67 83 63 83 Temp 69 70 87 83 77 76 87 82 71 68 79 76 67 65 79 76 Dewpt 59 58 61 61 63 64 65 61 61 58 54 54 56 56 56 57 PWind dir S S SW W NW NW N SE Wind char LT GN LT GN LT LT LT LT Avg clouds SC SC SC SC FW SC SC B1 SC SC SC FW FW FW FW FW PoP 12hr 0 0 5 30 20 5 5 10 Rain shwrs C S Tstms S $$ WVZ052-062000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 229 AM EDT Sun Sep 6 2026 Date Sun 09/06/26 Mon 09/07/26 Tue 09/08/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 57 81 56 84 Temp 62 62 73 79 79 71 64 61 59 59 72 79 79 70 63 59 57 59 74 82 84 76 Dewpt 58 60 60 58 57 58 58 56 56 57 59 56 54 55 56 55 55 56 60 59 57 58 RH 87 93 64 49 47 63 81 84 90 93 64 45 42 59 78 87 93 90 62 46 40 54 Wind dir N N N N NE NE N N N N NE NE E N N N N N N S S SE Wind spd 6 5 6 8 8 4 2 3 4 4 1 3 2 0 0 0 0 0 0 3 4 4 Clouds SC FW FW SC SC FW FW FW SC SC SC SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 Max heat 81 81 82 84 Date Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 88 70 86 61 79 57 82 Temp 64 64 86 80 72 72 84 76 66 63 77 72 60 59 80 74 Dewpt 57 58 62 62 63 65 66 62 60 59 55 54 55 56 57 57 PWind dir S SW SW W W NW NW S Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC SC SC SC B1 B1 SC SC SC FW FW FW FW PoP 12hr 0 0 10 30 20 10 5 5 Rain shwrs C S Tstms S $$ VAZ506-062000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 229 AM EDT Sun Sep 6 2026 Date Sun 09/06/26 Mon 09/07/26 Tue 09/08/26 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 61 83 59 86 Temp 65 66 75 81 81 73 68 65 62 63 75 81 81 72 66 62 59 62 77 84 85 77 Dewpt 61 63 65 64 63 64 63 62 61 63 65 63 62 62 61 61 59 61 64 64 63 63 RH 87 90 71 56 54 73 84 90 97100 71 54 53 71 84 97100 97 64 51 48 62 Wind dir N N N N NE NE NE N N N NE NE NE SE N SW SW SW SW SW S S Wind spd 4 4 6 8 8 4 2 2 2 3 3 3 3 2 0 1 1 1 3 4 4 4 Clouds SC FW FW SC FW SC SC SC SC SC SC B1 SC SC FW FW FW FW FW SC SC SC PoP 12hr 0 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 83 82 82 82 85 86 Max heat 83 83 82 83 85 86 Date Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 89 71 89 64 81 60 83 Temp 65 65 87 81 73 72 86 79 69 65 79 72 63 62 80 74 Dewpt 60 61 67 66 65 66 71 67 64 62 61 60 58 59 62 62 PWind dir S S SW W NW NW NW S Wind char LT GN GN GN LT LT LT LT Avg clouds SC SC SC FW FW FW SC B1 SC B1 SC FW FW FW FW FW PoP 12hr 0 0 5 40 20 10 5 10 Rain shwrs C S Tstms S $$ VAZ037-062000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 229 AM EDT Sun Sep 6 2026 Date Sun 09/06/26 Mon 09/07/26 Tue 09/08/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 60 81 57 84 Temp 67 65 72 77 78 71 67 64 62 62 75 81 80 71 66 62 60 59 77 84 82 73 Dewpt 66 65 64 64 63 63 62 60 60 60 62 61 60 61 61 60 59 59 61 60 60 60 RH 97100 76 64 60 76 84 87 93 93 64 51 51 71 84 93 96100 58 44 47 64 Wind dir NE NE NE NE NE NE N NE NE NE NE E E N N N N N S S S S Wind spd 6 6 6 5 6 3 4 3 3 4 5 5 5 0 0 0 0 0 3 5 5 4 Clouds B2 B1 B1 B1 SC FW SC SC FW SC SC FW SC SC FW FW FW FW FW FW SC SC PoP 12hr 20 0 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Heat index 82 81 84 82 Max heat 82 82 84 84 Date Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 87 68 90 64 83 61 82 Temp 63 63 87 79 71 69 88 79 69 65 82 74 64 62 81 74 Dewpt 58 59 63 63 63 64 67 67 65 63 61 60 58 58 61 62 PWind dir SW SW SW W NW N NE S Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC FW FW FW FW FW B1 B1 B1 SC FW FW SC FW FW PoP 12hr 0 0 0 30 30 10 10 10 Rain shwrs C C Tstms S S $$ MDZ003-062000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 229 AM EDT Sun Sep 6 2026 Date Sun 09/06/26 Mon 09/07/26 Tue 09/08/26 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 57 81 57 84 Temp 61 61 72 79 79 70 64 61 59 59 71 78 79 70 63 59 57 59 73 81 83 75 Dewpt 58 60 62 61 60 60 59 57 56 58 61 59 56 57 56 55 54 56 61 62 60 60 RH 90 97 71 54 52 71 84 87 90 96 71 52 45 63 78 87 90 90 66 53 46 60 Wind dir N N N NE NE NE NE N N N NE N N E E E SE SW SW SW S SE Wind spd 6 5 6 8 8 4 4 5 4 4 2 3 3 2 2 1 1 1 2 4 3 3 Clouds SC FW FW SC FW FW FW FW SC FW FW SC B1 SC FW FW SC FW SC SC SC SC PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 83 Max heat 81 81 82 84 Date Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 88 69 85 61 78 57 82 Temp 64 64 85 81 72 71 82 76 65 62 75 71 60 59 79 73 Dewpt 59 59 65 64 64 66 68 63 61 59 57 56 55 56 59 59 PWind dir S SW SW W W NW N S Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC SC SC B1 B1 B1 SC SC FW FW FW FW FW PoP 12hr 0 0 20 30 10 10 5 5 Rain shwrs S C Tstms S $$ MDZ017-062000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 229 AM EDT Sun Sep 6 2026 Date Sun 09/06/26 Mon 09/07/26 Tue 09/08/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 67 80 66 83 Temp 70 71 77 80 80 74 71 70 68 70 76 79 78 72 70 68 66 69 79 82 81 74 Dewpt 65 65 65 63 63 64 66 66 65 65 63 61 60 60 62 63 62 63 62 61 60 61 RH 84 81 67 56 56 71 84 87 90 84 64 54 54 66 76 84 87 81 56 49 49 64 Wind dir NE N N N N NE E E NE NE NE NE E E SE S SW W W S S S Wind spd 6 8 9 9 9 5 5 4 4 6 6 5 4 3 4 3 3 3 3 4 6 6 Clouds FW FW CL FW FW SC FW FW FW FW SC FW B1 SC FW FW FW FW FW FW FW SC PoP 12hr 5 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 81 83 82 Max heat 81 82 81 83 83 Date Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 87 74 89 70 81 67 82 Temp 70 70 86 81 77 76 87 82 75 72 79 75 71 71 80 76 Dewpt 63 63 64 66 66 67 70 69 67 63 61 61 63 63 62 64 PWind dir S S SW SW NW NW N SE Wind char LT GN GN GN LT LT LT LT Avg clouds SC SC FW FW FW FW FW B1 B1 B1 SC FW FW FW FW FW PoP 12hr 0 0 0 30 30 5 5 10 Rain shwrs C C Tstms S S $$ WVZ502-062000- Petersburg WV 38.99N 79.15W Elev. 963 ft 229 AM EDT Sun Sep 6 2026 Date Sun 09/06/26 Mon 09/07/26 Tue 09/08/26 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 55 82 55 87 Temp 62 60 69 77 80 72 63 59 56 57 72 79 82 72 63 58 56 57 77 84 86 76 Dewpt 62 60 64 63 61 61 60 58 56 57 61 61 60 60 59 57 56 57 63 62 61 62 RH 100100 84 62 52 68 90 96100100 68 54 47 66 87 96100100 62 48 43 62 Wind dir N N NE NE NE NE N N N N E E E E N SW SW SW S S SE S Wind spd 2 3 2 3 4 3 1 0 0 0 1 2 3 2 0 1 2 2 1 1 2 1 Clouds B2 B2 B1 SC FW SC FW SC SC B1 SC SC B1 SC SC FW FW FW FW SC SC SC PoP 12hr 10 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Obvis PF PF F Heat index 81 82 85 86 Max heat 81 82 85 87 Date Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 89 68 86 59 82 55 84 Temp 63 62 87 79 71 70 82 76 64 60 79 71 59 57 80 74 Dewpt 59 58 66 66 63 64 69 66 63 60 60 59 57 56 61 61 PWind dir SW SW SW W W NW W S Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC FW SC FW SC SC B1 B2 B1 SC FW FW FW FW FW PoP 12hr 0 0 10 30 30 10 5 10 Rain shwrs S C C Tstms S C $$ MDZ014-062000- Annapolis MD 38.99N 76.49W Elev. 7 ft 229 AM EDT Sun Sep 6 2026 Date Sun 09/06/26 Mon 09/07/26 Tue 09/08/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 66 79 65 82 Temp 69 69 76 80 81 77 70 68 67 68 75 78 79 75 69 67 65 67 78 82 82 77 Dewpt 62 62 64 61 61 61 66 65 64 63 62 58 56 57 61 62 61 60 61 59 61 60 RH 78 78 66 52 51 58 87 90 90 84 64 50 45 54 76 84 87 78 56 46 49 56 Wind dir N N N NE NE NE E N NE NE NE NE E N N N W W W S S S Wind spd 6 8 9 9 9 6 5 0 2 5 6 6 4 0 0 0 2 3 4 6 11 9 Clouds FW FW FW FW FW SC SC FW SC SC SC FW SC SC FW FW FW FW FW SC SC SC PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 82 82 83 Max heat 81 82 82 83 Date Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 87 74 90 68 83 65 82 Temp 69 69 86 82 76 75 88 83 72 69 80 76 69 67 80 76 Dewpt 62 61 65 67 65 66 70 67 63 61 59 60 60 61 61 63 PWind dir SW S SW W NW NW N SE Wind char LT GN GN GN LT LT LT LT Avg clouds SC SC SC SC SC SC FW B1 B1 B1 SC SC FW FW FW FW PoP 12hr 0 0 5 30 20 5 5 10 Rain shwrs C S Tstms S S $$