Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
772 FOUS51 KLWX 062359 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 759 PM EDT Sun Sep 6 2026 VAZ054-070800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 759 PM EDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 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 65 84 64 86 68 Temp 78 72 68 66 67 77 82 83 77 70 66 64 66 78 84 85 79 72 69 68 69 Dewpt 59 60 60 61 60 61 58 58 57 57 58 59 59 60 59 60 59 59 59 59 60 RH 52 66 76 84 78 58 44 43 50 63 75 84 78 54 43 43 50 64 70 73 73 Wind dir E NE NE N N NE NE SE SE SE S W W SW SW S S S S S S Wind spd 6 5 5 6 6 6 5 6 6 3 2 3 4 6 6 8 10 9 9 9 9 Clouds SC SC FW FW FW FW SC SC B1 FW FW FW FW FW FW SC SC SC SC FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 83 84 85 Max heat 82 83 84 85 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 89 74 90 70 81 67 85 69 88 Temp 86 83 76 75 87 82 73 71 80 75 68 69 83 79 71 71 85 82 Dewpt 63 63 64 66 68 67 65 62 58 58 60 62 63 63 66 66 66 65 PWind dir SW SW SW NW NW E SE SE S Wind char GN GN GN GN GN LT GN GN GN Avg clouds FW FW FW FW FW B1 B1 B1 SC FW SC SC SC SC SC SC SC SC PoP 12hr 0 5 50 50 20 20 20 20 10 Rain shwrs C C S S S S Tstms C S $$ MDZ013-070800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 759 PM EDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 82 61 84 65 Temp 74 69 66 64 65 74 79 80 72 67 64 62 63 77 82 83 77 70 67 66 67 Dewpt 62 62 62 61 63 64 61 60 60 59 58 58 59 62 62 63 64 62 61 60 62 RH 66 78 87 90 93 71 54 51 66 75 81 87 87 60 51 51 64 76 81 81 84 Wind dir NE NE N N N NE E E SE NW N NW NW SW SW S S S S SW SW Wind spd 4 3 2 3 3 4 4 4 2 1 0 1 2 3 4 5 4 3 3 4 4 Clouds FW FW FW FW SC FW SC SC SC FW CL FW FW FW FW SC SC SC SC SC SC PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 83 84 Max heat 82 83 84 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 72 89 67 81 64 83 67 86 Temp 86 82 74 73 86 80 71 67 78 74 65 66 81 76 69 69 84 79 Dewpt 66 67 66 68 71 69 65 63 60 61 61 63 66 66 66 68 69 68 PWind dir SW SW W NW NW E SE S S Wind char GN GN GN LT LT LT LT LT LT Avg clouds SC FW FW FW SC B1 B1 SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 5 50 40 10 10 20 20 10 Rain shwrs C C S S Tstms C S $$ MDZ011-070800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 759 PM EDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 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 64 83 63 86 68 Temp 74 69 67 65 66 75 80 80 73 68 65 63 65 78 83 84 78 71 69 68 70 Dewpt 56 57 59 60 59 58 55 56 54 55 56 56 55 57 57 59 58 58 59 59 58 RH 53 66 75 84 78 55 42 44 51 63 73 78 70 48 41 43 50 63 70 73 66 Wind dir NE NE N N N NE E SE E N N N NW SW SW S S S S SW S Wind spd 3 2 2 2 3 3 3 4 2 0 0 0 1 2 3 5 4 2 2 3 3 Clouds FW FW FW FW SC SC SC SC SC SC CL SC FW FW 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 Heat index 80 80 84 Max heat 80 81 82 84 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 89 74 90 68 82 66 84 69 87 Temp 87 83 76 75 88 81 72 69 79 74 66 68 82 77 70 71 85 81 Dewpt 62 62 64 65 67 66 64 59 56 56 59 60 61 62 65 65 65 64 PWind dir S SW W NW NW NE SE S S Wind char GN GN GN LT LT LT LT LT LT Avg clouds SC SC SC FW SC B1 B1 B1 FW FW FW FW SC SC SC SC SC SC PoP 12hr 0 5 50 40 10 20 20 20 10 Rain shwrs C C S S S Tstms C S $$ WVZ052-070800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 759 PM EDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 81 56 84 61 Temp 71 64 61 59 59 73 79 79 70 62 60 58 58 75 82 83 76 68 64 62 64 Dewpt 57 57 56 55 56 58 55 52 55 54 54 54 55 59 59 58 59 58 57 56 58 RH 61 78 84 87 90 59 44 39 59 75 81 86 90 58 46 43 56 70 78 81 81 Wind dir NE N N N N N NE E N N N N N N S S SE S S S S Wind spd 4 0 2 4 4 3 4 2 0 0 0 0 0 0 3 4 5 4 3 3 3 Clouds FW FW FW SC FW FW SC SC SC FW FW SC B1 FW SC SC FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 83 Max heat 81 82 84 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 68 86 62 79 59 83 62 86 Temp 87 80 72 70 84 76 66 63 77 71 62 61 81 76 66 65 84 78 Dewpt 63 63 63 65 69 65 63 60 57 57 57 59 61 62 62 63 65 63 PWind dir SW SW W NW NW E S SE S Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC SC SC FW SC B2 B1 SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 5 10 60 40 20 10 10 10 10 Rain shwrs C L C S Tstms S C $$ VAZ506-070800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 759 PM EDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 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 83 59 86 63 Temp 73 67 64 61 62 75 81 79 72 66 62 60 62 78 85 82 75 69 65 64 65 Dewpt 63 62 61 59 60 64 62 61 62 61 60 59 60 64 65 64 64 62 60 59 61 RH 71 84 90 93 93 69 53 54 71 84 93 96 93 62 51 55 69 78 84 84 87 Wind dir NE NE N N N N N N E N N W NW SW SW S S S S S S Wind spd 4 2 2 3 3 3 4 4 2 0 0 1 1 3 4 4 5 4 4 6 5 Clouds FW FW FW SC FW SC SC FW SC SC FW SC SC FW FW FW FW SC SC FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 87 83 Max heat 82 83 87 87 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 88 70 89 65 82 62 84 65 87 Temp 87 81 73 72 87 79 69 66 80 74 64 65 82 77 67 67 85 79 Dewpt 68 67 66 67 73 71 66 64 63 63 61 63 68 67 66 67 70 69 PWind dir S SW SW NW N SE S S S Wind char GN GN GN LT LT LT LT LT LT Avg clouds FW FW SC FW SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 5 50 40 10 20 20 10 10 Rain shwrs C C S S Tstms C $$ VAZ037-070800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 759 PM EDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 82 59 84 61 Temp 73 67 64 62 62 75 81 80 71 66 63 61 61 78 84 82 73 68 64 62 63 Dewpt 62 61 59 59 59 61 59 59 59 60 59 59 59 61 60 60 60 60 59 58 59 RH 68 81 84 90 90 62 47 49 66 81 87 93 93 56 44 47 64 76 84 87 87 Wind dir NE NE N NE NE NE NE NE NE N N N N S S S S N N SW SW Wind spd 3 4 3 3 5 5 5 5 1 0 0 0 0 4 5 5 3 0 0 3 4 Clouds FW FW FW SC FW SC SC SC FW FW FW FW FW FW FW SC SC SC FW FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 81 84 82 Max heat 81 82 84 84 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 68 89 65 83 62 84 64 87 Temp 87 79 72 69 89 79 70 66 82 75 65 64 82 76 68 66 86 78 Dewpt 64 64 65 66 68 69 68 65 62 63 61 61 65 66 65 65 66 66 PWind dir SW SW SW NW NE NE S SE S Wind char GN GN GN LT LT LT LT LT LT Avg clouds FW FW FW FW FW B1 B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 30 40 20 10 20 10 10 Rain shwrs C C S S Tstms S $$ MDZ003-070800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 759 PM EDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 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 81 56 83 61 Temp 70 64 61 58 59 72 79 79 69 62 59 58 59 73 81 82 75 68 64 62 64 Dewpt 60 58 57 55 56 60 58 55 56 54 53 52 55 61 62 61 62 60 59 57 59 RH 71 81 87 90 90 66 49 44 63 75 80 80 87 66 53 49 64 76 84 84 84 Wind dir NE NE N N N N N N E E N NE N SW SW S SE S S S S Wind spd 4 4 4 5 4 3 3 3 2 2 0 1 1 2 4 3 3 4 4 4 4 Clouds FW FW FW FW FW FW SC SC SC FW FW SC SC FW SC SC SC FW 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 82 83 Max heat 80 82 83 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 87 68 85 61 78 58 82 62 85 Temp 85 80 71 70 82 76 66 62 75 69 61 61 80 74 66 65 83 78 Dewpt 66 65 64 66 71 67 63 60 60 59 58 59 64 63 63 64 67 66 PWind dir SW SW W NW NW E S SE S Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC B1 B2 B1 SC FW SC SC FW SC SC SC SC SC SC PoP 12hr 0 10 60 30 10 20 10 10 10 Rain shwrs C L C S Tstms S C $$ MDZ017-070800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 759 PM EDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 81 66 83 68 Temp 74 71 69 68 70 77 79 80 74 70 69 67 69 79 82 81 75 72 70 68 70 Dewpt 64 65 66 64 64 63 61 59 60 61 63 62 63 62 61 61 61 63 63 62 64 RH 71 81 90 87 81 62 54 49 62 73 81 84 81 56 49 51 62 73 78 81 81 Wind dir NE E E NE NE NE NE E E SE SW W W W S S S S S SW SW Wind spd 4 5 3 3 5 6 5 3 2 3 2 3 4 3 4 5 6 6 6 6 6 Clouds FW CL FW FW FW FW FW FW SC FW FW FW FW FW FW FW SC FW SC FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 83 82 Max heat 81 83 83 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 74 89 70 81 68 82 70 85 Temp 87 81 76 76 87 82 74 72 80 76 71 72 81 77 73 73 83 79 Dewpt 66 68 68 68 71 71 70 65 63 63 65 65 66 67 69 70 70 70 PWind dir S SW SW W N E SE S S Wind char GN GN GN LT LT LT LT LT GN Avg clouds FW FW FW FW FW B1 B1 B1 SC SC FW SC SC SC SC SC SC FW PoP 12hr 0 0 40 50 20 20 20 20 10 Rain shwrs C C S S S S Tstms S S $$ WVZ502-070800- Petersburg WV 38.99N 79.15W Elev. 963 ft 759 PM EDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 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 54 82 55 87 61 Temp 72 63 59 56 56 72 80 81 72 63 59 56 57 77 85 86 76 68 63 61 63 Dewpt 61 60 58 56 56 61 61 60 60 58 57 55 56 62 62 62 63 61 59 57 59 RH 68 90 96100100 68 52 49 66 84 93 96 96 60 46 45 64 78 87 87 87 Wind dir NE N N N NW E E E SE N N S SW S S S S S SW SW SW Wind spd 2 0 0 0 1 1 2 3 2 0 0 1 2 1 1 3 2 3 3 3 3 Clouds FW SC SC SC SC SC SC SC SC SC FW FW SC FW SC SC SC FW SC FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF PF Heat index 81 82 86 86 Max heat 81 82 86 87 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 89 67 86 59 83 57 85 60 88 Temp 87 80 70 69 84 77 65 60 80 73 60 60 83 75 64 62 85 78 Dewpt 66 66 63 64 70 68 64 60 62 61 59 59 64 64 62 62 66 66 PWind dir SW SW W W NW W S SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW SC SC B2 B2 B1 SC SC SC SC FW SC B1 SC FW SC PoP 12hr 5 5 60 40 20 10 20 10 20 Rain shwrs S L C S S S Tstms C S $$ MDZ014-070800- Annapolis MD 38.99N 76.49W Elev. 7 ft 759 PM EDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 79 64 82 67 Temp 78 71 68 66 68 76 79 79 76 69 67 65 66 78 82 82 78 72 69 67 69 Dewpt 59 64 64 63 62 62 58 56 56 60 61 60 59 61 59 60 60 63 62 61 61 RH 52 79 87 90 81 62 49 45 50 73 81 84 78 56 46 47 54 73 78 81 76 Wind dir NE E N N N NE NE E N N N N W W S S S S SW SW SW Wind spd 6 4 0 2 4 6 6 4 0 0 0 0 3 4 6 9 8 6 6 6 8 Clouds SC FW FW FW SC FW SC SC SC FW CL FW FW FW SC SC SC SC SC SC SC PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 82 Max heat 82 82 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 73 91 68 82 66 83 68 87 Temp 86 82 75 75 89 81 72 69 80 77 68 68 81 77 71 71 84 80 Dewpt 65 67 66 68 72 70 66 63 61 61 62 64 66 66 67 68 70 69 PWind dir S SW SW NW N E SE S S Wind char GN GN GN LT LT LT LT LT GN Avg clouds SC FW SC FW FW B1 B2 B1 SC SC FW SC SC SC SC SC SC SC PoP 12hr 0 5 50 40 10 10 20 20 10 Rain shwrs C C S S Tstms C S $$