Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
123 FOUS51 KLWX 302102 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 501 PM EDT Wed Sep 30 2026 VAZ054-010800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 501 PM EDT Wed Sep 30 2026 Date 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 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 85 65 88 61 Temp 70 67 65 64 64 75 83 84 76 72 70 67 67 78 86 85 77 72 68 64 62 Dewpt 64 64 64 63 63 64 65 64 64 63 61 60 61 65 66 67 68 67 63 58 54 RH 81 90 97 97 97 69 55 51 66 73 73 78 81 64 51 55 74 84 84 81 75 Wind dir SE S S S S S S S S S S S S SW SW SW NW NW N N N Wind spd 9 9 8 8 8 6 6 8 9 9 10 9 9 9 10 11 12 13 13 14 13 Clouds B1 B1 B1 B1 SC SC FW FW FW SC SC SC FW FW SC B1 B2 B2 B2 B1 B1 PoP 12hr 0 0 0 20 40 QPF 12hr 0 0 0 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Obvis PF PF PF PF Heat index 85 85 88 88 Max heat 85 86 88 90 Date 10/03 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 68 58 68 59 71 50 62 46 65 Temp 67 64 60 59 66 64 61 59 69 64 55 50 60 56 49 47 63 58 Dewpt 53 53 54 54 58 59 59 57 54 48 42 38 38 40 40 40 44 46 PWind dir NE E E SW NW N N N S Wind char GN LT GN LT GN GN GN LT GN Avg clouds B1 B2 B2 B2 B2 B2 B2 B1 SC SC FW FW CL FW FW FW FW FW PoP 12hr 10 20 40 30 5 0 0 0 0 Rain shwrs S C C C Tstms S $$ MDZ013-010800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 501 PM EDT Wed Sep 30 2026 Date 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 82 65 87 58 Temp 68 66 64 63 64 73 82 82 75 70 68 66 67 78 85 83 75 71 66 61 59 Dewpt 63 63 63 62 63 65 65 65 66 63 61 60 60 65 67 69 69 66 61 55 53 RH 84 90 97 97 97 76 56 56 74 78 78 81 78 64 55 63 82 84 84 81 80 Wind dir SE S S S SW SW SW S S SW SW SW SW SW SW SW W NW N N N Wind spd 4 3 3 2 3 3 4 4 4 3 4 4 4 5 6 5 6 5 8 9 8 Clouds B1 B2 B2 B1 B1 SC FW FW FW SC SC SC SC SC B1 B1 B2 B2 B2 B1 SC PoP 12hr 0 0 0 20 40 QPF 12hr 0 0 0 0.02 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Obvis PF PF PF PF Heat index 84 84 88 87 Max heat 84 84 88 88 Coast Flood Y Y Date 10/03 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 68 56 66 57 69 47 59 46 62 Temp 66 64 59 57 64 62 59 57 67 62 52 48 57 55 49 47 60 57 Dewpt 52 55 55 55 59 60 59 57 56 50 43 40 41 43 42 41 45 48 PWind dir NE E E SW NW N N N S Wind char LT LT LT LT GN GN LT LT LT Avg clouds SC B1 B1 B1 B1 B2 B1 B1 SC SC FW FW CL FW FW FW FW FW PoP 12hr 5 20 40 30 5 0 0 0 0 Rain shwrs S C C C $$ MDZ011-010800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 501 PM EDT Wed Sep 30 2026 Date 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 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 66 88 59 Temp 69 67 65 64 65 74 82 82 76 72 70 67 68 79 86 84 76 72 67 62 60 Dewpt 60 61 62 61 62 62 62 62 63 61 60 59 59 63 64 66 66 64 60 53 49 RH 73 81 90 90 90 66 51 51 64 68 71 75 73 58 48 55 71 76 78 72 67 Wind dir SE S S S S S S S S SW SW SW SW SW SW W W NW N N N Wind spd 3 3 2 1 2 3 4 4 3 3 3 3 3 5 6 6 6 6 8 9 9 Wind gust 18 19 Clouds B1 B2 B2 B2 B1 SC FW FW SC SC SC SC SC SC B1 B1 B2 B2 B1 SC SC PoP 12hr 0 0 0 20 40 QPF 12hr 0 0 0 0.02 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Obvis PF PF PF Heat index 83 83 87 86 Max heat 83 83 87 88 Date 10/03 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 69 57 68 58 71 49 61 47 64 Temp 67 64 59 58 65 63 60 59 68 62 53 49 59 55 49 48 61 57 Dewpt 49 51 52 52 55 57 58 55 52 47 41 38 38 40 40 39 42 45 PWind dir N NE SE SW NW N N N SE Wind char LT LT LT LT LT GN LT LT LT Avg clouds SC B1 B1 B1 B1 B2 B1 B1 SC SC FW FW FW FW FW FW FW FW PoP 12hr 5 10 30 30 5 0 0 0 0 Rain shwrs C C C $$ WVZ052-010800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 501 PM EDT Wed Sep 30 2026 Date 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 84 60 85 55 Temp 69 64 62 60 60 73 83 84 74 67 64 62 62 80 85 80 71 66 63 57 55 Dewpt 60 60 59 57 58 59 58 59 60 60 59 57 57 61 63 67 66 63 57 52 50 RH 73 87 90 90 93 62 43 43 62 78 84 84 84 52 48 65 84 90 81 83 83 Wind dir S S SE N N S SW SW N SW SW N SW SW W W NW NW NW N N Wind spd 1 1 1 0 0 1 6 5 0 2 1 0 2 5 11 10 9 10 9 9 8 Clouds B1 B1 B2 B1 B1 SC FW FW FW B1 SC B1 SC SC B2 B2 B2 B2 B1 SC SC PoP 12hr 0 0 0 50 30 QPF 12hr 0 0 0 0.03 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Obvis PF PF PF PF Heat index 83 84 81 86 82 Max heat 83 84 86 86 Date 10/03 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 51 68 53 70 43 62 40 66 Temp 67 60 54 53 65 61 57 54 68 60 48 45 59 52 44 42 63 56 Dewpt 46 50 49 50 53 56 56 53 48 45 40 38 36 39 38 38 40 44 PWind dir NE NE SE SW NW NW N NE S Wind char LT LT LT LT GN LT LT LT LT Avg clouds SC SC SC B1 B1 B2 SC SC SC SC FW FW CL FW CL FW FW FW PoP 12hr 5 20 30 10 0 0 0 0 0 Rain shwrs S C C $$ VAZ506-010800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 501 PM EDT Wed Sep 30 2026 Date 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 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 85 62 88 59 Temp 70 65 63 62 62 74 82 83 75 70 67 64 63 79 87 83 74 70 66 61 59 Dewpt 64 64 63 62 61 64 64 64 64 63 60 59 59 65 66 69 69 66 63 58 54 RH 81 97100100 97 71 55 53 69 78 78 84 87 62 50 63 84 87 90 90 83 Wind dir SE S S S S SW SW S S S S S S SW SW W NW NW N N N Wind spd 5 3 3 3 2 2 3 4 4 4 4 3 3 4 6 6 8 9 10 11 9 Clouds B1 B2 B2 SC SC FW FW FW FW SC SC SC SC SC B1 B1 B2 B2 B2 B1 SC PoP 12hr 0 0 0 30 40 QPF 12hr 0 0 0 0.02 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Obvis PF PF PF PF Heat index 83 84 89 87 Max heat 83 85 89 90 Date 10/03 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 68 55 67 55 70 46 61 43 64 Temp 67 61 56 57 65 62 59 56 68 61 50 46 59 53 45 44 63 56 Dewpt 54 56 55 54 60 61 59 56 56 51 44 40 42 43 41 40 47 49 PWind dir N NE SE SW NW N N SW S Wind char LT LT LT LT GN GN LT LT LT Avg clouds B1 B2 B1 B2 B2 B2 B1 B1 SC SC FW FW CL FW FW FW FW FW PoP 12hr 10 20 40 30 5 0 0 0 0 Rain shwrs S C C C $$ VAZ037-010800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 501 PM EDT Wed Sep 30 2026 Date 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 86 60 90 60 Temp 69 64 62 61 61 77 85 84 74 69 66 62 61 79 89 85 76 71 68 64 61 Dewpt 62 61 60 58 57 58 56 56 58 58 58 58 58 59 59 62 65 67 66 62 58 RH 78 90 93 90 87 52 37 38 57 68 75 87 90 50 37 46 69 87 93 93 90 Wind dir S N N N SW SW S S S SW SW SW SW SW SW SW NW N N NE N Wind spd 2 0 0 0 3 4 6 8 5 4 4 4 4 5 9 8 5 4 6 9 9 Clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC B1 B2 B2 B2 B2 B2 PoP 12hr 0 0 0 5 30 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms S Obvis PF PF PF PF Heat index 86 Max heat 84 85 88 89 Date 10/03 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 56 67 55 73 46 63 42 66 Temp 66 62 58 57 65 62 58 56 71 63 51 47 62 53 45 43 65 56 Dewpt 51 53 54 54 56 59 58 56 54 51 44 41 39 41 39 38 42 45 PWind dir NE NE E N NE N NE N S Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B2 B1 B1 SC FW SC FW CL FW FW FW FW FW PoP 12hr 30 40 50 30 5 0 0 0 0 Rain shwrs C C S C C C C Tstms S S S $$ MDZ003-010800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 501 PM EDT Wed Sep 30 2026 Date 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 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 84 62 86 53 Temp 69 65 63 61 62 72 81 83 73 68 65 63 64 78 84 80 70 65 60 56 53 Dewpt 62 61 61 59 60 62 63 65 64 62 61 59 60 65 67 70 68 63 57 53 50 RH 78 87 93 93 93 71 54 55 73 81 87 87 87 64 57 72 93 93 90 90 89 Wind dir S SE S S S S SW SW S S S S S SW W W NW NW N N N Wind spd 4 3 2 1 2 2 5 5 3 2 2 2 1 3 10 9 8 10 8 8 6 Clouds B1 B2 B2 B2 B2 SC FW FW SC B2 SC SC SC SC B1 B2 OV B1 SC SC FW PoP 12hr 0 0 0 50 20 QPF 12hr 0 0 0 0.01 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S Obvis PF PF PF PF Heat index 82 85 87 83 Max heat 82 85 87 88 Date 10/03 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 68 50 66 52 68 42 60 40 64 Temp 66 61 53 52 65 61 56 53 67 58 47 43 58 52 44 42 62 56 Dewpt 50 51 49 49 55 57 56 53 51 46 41 38 38 40 38 38 43 46 PWind dir NE E SE SW NW N N E S Wind char LT LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC SC B2 B1 SC SC SC FW FW CL FW FW CL CL FW PoP 12hr 5 5 20 10 0 0 0 0 0 Rain shwrs S S $$ MDZ017-010800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 501 PM EDT Wed Sep 30 2026 Date 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 83 67 88 62 Temp 68 66 66 65 65 75 82 81 74 71 70 68 69 77 86 84 76 73 70 65 63 Dewpt 63 64 64 63 63 64 62 63 64 62 61 60 61 63 64 65 66 65 64 61 58 RH 84 93 93 93 93 69 51 54 71 73 73 76 76 62 48 53 71 76 81 87 84 Wind dir S S S S SW SW S S S S SW SW SW SW SW SW SW NW N N N Wind spd 6 6 5 5 5 6 6 6 6 6 8 9 9 9 9 6 6 6 9 12 13 Clouds SC B1 B1 B1 SC FW FW FW FW FW FW FW FW FW FW SC B1 B2 B2 B2 B2 PoP 12hr 0 0 0 5 20 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S Heat index 83 82 87 86 Max heat 83 83 87 87 Date 10/03 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 61 65 61 67 54 60 53 62 Temp 64 64 63 61 64 63 62 61 66 63 58 55 58 57 55 54 60 59 Dewpt 56 56 57 58 61 61 62 60 58 53 47 43 43 43 44 45 46 48 PWind dir N NE E N N N N NE SE Wind char GN LT LT LT GN GN GN LT LT Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 SC FW FW FW CL FW FW FW FW PoP 12hr 20 30 50 30 5 0 0 0 0 Rain shwrs S S C C C C C Tstms S S S $$ WVZ502-010800- Petersburg WV 38.99N 79.15W Elev. 963 ft 501 PM EDT Wed Sep 30 2026 Date 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 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 85 60 85 53 Temp 67 61 59 57 58 75 83 84 71 64 62 61 61 79 83 80 70 66 61 56 53 Dewpt 60 58 55 53 54 59 58 59 61 59 56 54 55 64 66 67 66 64 60 55 52 RH 78 90 87 86 86 58 43 43 71 84 81 78 81 60 57 65 87 93 97 96 96 Wind dir SW S S S S SW W W SW S S S S W W W NW N N N N Wind spd 1 2 3 2 2 1 4 3 2 3 4 4 3 4 11 6 3 3 3 3 2 Clouds B2 B2 SC SC FW SC SC SC SC B1 B1 SC B1 SC B2 B2 OV B2 B2 B1 B1 PoP 12hr 5 5 5 60 40 QPF 12hr 0 0 0 0.09 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C Obvis PF PF F F Heat index 83 84 85 82 Max heat 83 84 85 85 Date 10/03 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 67 51 69 52 70 40 62 40 69 Temp 65 59 53 52 67 63 56 53 67 58 45 41 59 53 43 41 66 58 Dewpt 49 52 50 50 57 59 56 53 52 48 42 38 40 41 38 37 44 47 PWind dir NE E SE SW NW N NE NW S Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B2 B2 B2 B1 B1 SC SC FW FW FW FW FW FW FW FW PoP 12hr 10 20 30 10 0 0 0 0 0 Rain shwrs S C C $$ MDZ014-010800- Annapolis MD 38.99N 76.49W Elev. 7 ft 501 PM EDT Wed Sep 30 2026 Date 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 81 66 85 60 Temp 68 67 66 64 65 73 80 80 74 70 69 68 67 77 84 83 75 71 67 63 60 Dewpt 63 63 63 63 64 65 66 66 66 64 61 60 61 65 67 68 68 66 62 57 54 RH 84 87 90 97 97 76 62 62 76 81 76 76 81 67 57 61 79 84 84 81 81 Wind dir S S S S S S S S S S SW SW SW SW S SW W NW N N N Wind spd 6 5 5 4 4 6 6 8 6 5 6 6 5 8 9 9 8 6 9 11 11 Clouds B1 B2 B2 B1 B1 SC SC FW FW SC FW FW SC FW SC SC B2 B2 B2 B1 SC PoP 12hr 0 0 0 10 40 QPF 12hr 0 0 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S Obvis PF PF Heat index 82 82 87 86 Max heat 82 82 87 87 Coast Flood Y Y Date 10/03 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 58 65 58 68 51 61 49 62 Temp 65 64 60 59 64 62 60 59 67 62 56 51 58 57 52 50 60 58 Dewpt 54 55 56 56 60 60 60 58 57 51 45 42 42 43 44 44 46 49 PWind dir N E E SW N N N N SE Wind char GN LT LT LT GN GN GN LT LT Avg clouds SC B1 B2 B1 B2 B2 B2 B1 SC SC FW FW FW FW FW FW FW FW PoP 12hr 10 20 40 30 5 0 0 0 0 Rain shwrs S C C C S Tstms S $$