FOUS51 KLWX 080631 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 231 AM EDT Wed Jul 8 2026 VAZ054-082000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 231 AM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 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 72 87 73 91 Temp 71 72 75 78 81 81 75 74 72 74 78 83 82 80 76 75 73 76 84 88 85 82 Dewpt 70 70 71 72 72 72 72 73 72 73 75 76 75 75 75 74 72 73 73 73 72 72 RH 97 93 87 82 74 74 90 97100 97 91 80 79 85 97 97 97 90 70 61 65 72 Wind dir NE NE E SE S S S S S S S S SW W W W W W W SW W W Wind spd 5 8 6 5 6 8 8 6 6 6 6 6 8 6 5 6 8 8 9 10 11 9 Clouds B2 B2 B2 B2 B1 SC SC B2 B1 B2 B2 B1 B2 B2 SC FW FW FW SC B2 B2 B1 PoP 12hr 20 30 80 20 70 QPF 12hr 0 0.02 0.16 0.01 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C D S S L L C Tstms S S C C S C C C Heat index 85 85 91 89 85 90 96 91 87 Max heat 87 91 94 96 96 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 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 73 87 70 86 69 86 70 91 Temp 75 75 84 80 71 72 83 80 70 71 83 81 71 72 88 85 Dewpt 73 71 68 67 66 66 63 63 65 66 63 64 66 66 63 64 PWind dir NW N NE E SE E SW N Wind char GN GN LT GN LT GN GN GN Avg clouds B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 SC SC FW FW FW PoP 12hr 30 30 10 10 20 20 10 5 Rain shwrs C S C S S S S Tstms C C S S $$ MDZ013-082000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 231 AM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 70 87 72 92 Temp 71 71 76 80 83 81 75 72 71 73 80 85 84 80 75 74 72 75 86 90 88 82 Dewpt 69 68 68 69 71 71 72 72 71 72 74 76 76 75 75 74 72 72 74 73 72 72 RH 93 90 76 69 67 72 90100100 97 82 75 77 85100100100 90 68 58 59 72 Wind dir NE NE E E SE S S S S S S S SW S SW W W W W W W W Wind spd 5 4 4 4 4 3 3 3 3 3 4 5 5 3 2 3 4 4 6 9 8 4 Clouds B2 B2 B1 B1 SC SC B1 B1 B1 B2 B1 B2 B2 B2 SC SC FW SC FW B2 B2 B1 PoP 12hr 5 30 80 20 60 QPF 12hr 0 0.02 0.21 0.01 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C D S S L L S Tstms S C C C S C C S Heat index 83 88 85 84 94 93 85 94 98 95 87 Max heat 83 89 94 96 98 97 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 88 68 87 68 87 68 92 Temp 73 73 86 82 72 71 85 81 70 71 85 81 71 72 89 85 Dewpt 72 71 69 69 66 67 64 65 66 68 65 67 66 68 66 68 PWind dir NW N NE E SE E S NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC B1 SC SC SC SC B1 B1 B1 SC SC FW FW FW PoP 12hr 20 20 10 10 20 20 20 5 Rain shwrs S S S S S S Tstms S S S S $$ MDZ011-082000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 231 AM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 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 73 88 74 93 Temp 70 71 76 81 83 83 76 75 73 75 81 84 85 83 77 76 74 77 87 91 88 83 Dewpt 68 67 68 69 69 70 70 71 72 72 75 75 74 75 74 74 72 72 73 72 70 71 RH 93 87 76 67 63 65 82 87 97 90 82 74 70 77 90 94 93 85 63 54 55 67 Wind dir NE NE E SE SE SE S S S S S S S S SW W W W W W W W Wind spd 5 3 3 3 4 2 2 2 2 2 4 5 5 2 1 2 3 3 5 9 9 3 Clouds B2 B1 B1 SC SC SC SC B1 B1 B2 B1 B2 B2 B2 SC SC FW SC FW B2 B2 B1 PoP 12hr 5 30 80 20 70 QPF 12hr 0 0.02 0.24 0.01 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C D S S L L S Tstms C C C S C C S Heat index 84 87 87 87 92 93 90 94 99 93 88 Max heat 84 90 92 94 99 99 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 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 73 89 70 88 70 88 70 92 Temp 75 75 87 82 72 72 86 82 72 72 86 83 72 73 90 87 Dewpt 72 69 66 66 65 64 60 62 64 65 62 64 65 65 63 65 PWind dir NW N NE E SE E SW NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC SC SC B1 B1 SC SC FW FW FW PoP 12hr 20 20 10 10 20 20 20 5 Rain shwrs S S S S S S Tstms S S S S $$ WVZ052-082000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 231 AM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 68 85 68 87 Temp 71 71 73 78 80 79 72 71 69 72 80 82 83 78 73 70 69 73 82 85 84 78 Dewpt 69 69 69 71 71 71 72 71 69 71 75 74 72 73 72 70 69 70 73 72 70 70 RH 93 93 87 79 74 77100100100 97 85 77 70 85 97100100 90 74 65 63 76 Wind dir NE E E E SE SE S N N S S SW SW N W W W W W W W W Wind spd 2 4 3 5 4 3 2 0 0 2 2 4 3 0 3 4 4 4 8 9 8 2 Clouds OV OV B2 B2 B1 SC B1 B1 B2 B1 SC OV B2 SC FW FW SC SC SC B2 B2 B1 PoP 12hr 40 30 80 0 60 QPF 12hr 0.01 0 0.25 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C S S S C S S D L S S L L S Tstms S S S S L C C C S Obvis PF PF PF PF PF Heat index 83 85 88 88 87 91 88 Max heat 85 90 90 91 90 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 83 63 83 63 85 65 89 Temp 70 71 81 78 68 68 81 78 68 68 83 79 67 70 87 83 Dewpt 70 70 67 67 63 62 62 64 62 64 63 65 63 65 62 65 PWind dir NW N N E SE E W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC B1 SC SC B1 B1 SC B1 B1 SC FW FW FW FW PoP 12hr 20 30 10 20 30 20 10 5 Rain shwrs S S C S S C S S Tstms S C S S $$ VAZ506-082000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 231 AM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 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 70 86 70 89 Temp 72 72 75 80 82 80 74 72 71 73 79 84 83 80 74 72 70 74 84 87 85 80 Dewpt 71 70 71 72 72 72 73 72 71 72 75 76 75 74 74 72 70 72 74 73 72 72 RH 97 93 87 77 72 77 97100100 97 88 77 77 82100100100 93 72 63 65 77 Wind dir NE E E SE S S S S S S S S SW W W W W W W SW W W Wind spd 4 3 3 4 4 3 3 3 3 3 3 5 4 2 2 2 2 3 6 8 6 3 Clouds B2 B2 B2 B2 SC B2 B1 B1 B2 B1 B1 B1 B2 B1 SC SC FW FW SC B2 B2 B1 PoP 12hr 30 40 80 10 70 QPF 12hr 0.04 0.01 0.19 0 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C C L L L C Tstms S S C C C C C Obvis PF Heat index 84 87 84 93 90 84 91 94 91 84 Max heat 84 87 93 94 95 94 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 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 69 85 66 85 65 86 66 90 Temp 72 72 83 80 70 70 83 79 69 69 83 80 69 70 87 84 Dewpt 72 72 72 71 66 66 66 67 65 67 67 68 66 67 67 68 PWind dir NW N N E SE E SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 SC SC FW FW FW PoP 12hr 30 30 10 20 20 20 10 5 Rain shwrs C S S C S S S S S Tstms C C S S S $$ VAZ037-082000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 231 AM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 70 88 69 90 Temp 72 72 78 82 82 79 74 72 71 72 81 86 85 80 75 71 69 72 85 89 88 82 Dewpt 71 71 73 75 73 73 73 72 71 72 75 74 73 73 72 70 69 70 71 72 70 71 RH 97 97 85 79 74 82 97100100100 82 68 67 79 90 97100 93 63 57 55 69 Wind dir NE NE N E E N N N N SW S SW SW W N W W W W SW SW W Wind spd 1 1 0 3 2 0 0 0 0 1 4 6 4 2 0 3 4 4 5 6 6 4 Clouds B2 OV B2 B1 B2 B2 B1 B2 B2 B1 SC B1 OV SC SC FW FW SC SC B1 B1 SC PoP 12hr 70 50 90 5 50 QPF 12hr 0.03 0.11 0.34 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C L C C C C C D C C S Tstms S C C C S C C C C S Obvis PF PF PF PF PF Heat index 89 87 87 94 92 84 90 96 93 86 Max heat 89 89 95 94 96 95 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 85 67 84 65 85 65 90 Temp 72 72 83 79 70 69 82 79 68 68 82 79 68 69 88 83 Dewpt 71 70 69 68 66 66 64 65 64 64 63 65 64 64 62 64 PWind dir W N N E E NE NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B2 B2 B1 B1 SC B1 B1 B1 B1 SC SC FW FW FW PoP 12hr 20 60 20 40 40 20 20 5 Rain shwrs S S L L S S C C C S S S Tstms S S C S C S S $$ MDZ003-082000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 231 AM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 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 68 85 68 86 Temp 70 70 73 77 81 79 73 71 69 72 78 82 84 80 73 71 69 72 81 83 83 78 Dewpt 68 67 68 69 70 71 73 71 69 71 74 74 72 73 73 71 69 70 73 71 69 71 RH 93 90 84 76 69 77100100100 97 88 77 67 79100100100 93 77 67 63 79 Wind dir NE E E S S S S S S S S SW SW SW W W W W W W W W Wind spd 3 3 2 3 4 3 3 3 3 4 3 4 4 2 2 2 2 3 6 8 6 3 Clouds OV B2 OV B2 SC SC B1 B2 B1 B1 B1 B2 B2 SC SC SC SC SC SC B2 B2 B2 PoP 12hr 30 30 70 5 70 QPF 12hr 0.02 0 0.24 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C S S C L L S S L L S Tstms S S S C L C C C S Obvis PF PF PF PF Heat index 85 88 90 84 86 88 87 Max heat 85 88 90 88 87 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 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 66 83 64 84 64 85 65 89 Temp 70 71 81 79 68 68 81 79 68 68 82 80 68 69 86 83 Dewpt 70 69 67 67 62 63 64 66 62 64 65 67 64 65 65 68 PWind dir NW N NE SE SE SE S W Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 SC B1 SC SC SC SC B1 SC B1 SC SC FW FW FW PoP 12hr 20 20 10 20 20 20 10 5 Rain shwrs S S S S S S S S Tstms S S S $$ MDZ017-082000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 231 AM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 74 92 75 98 Temp 74 76 81 84 86 82 78 76 75 79 84 88 90 84 79 77 76 81 90 96 95 85 Dewpt 71 70 69 69 70 70 71 73 73 75 75 76 76 75 75 75 75 75 75 73 73 72 RH 90 82 67 61 59 67 79 90 94 88 74 68 64 74 88 94 97 82 62 48 49 65 Wind dir NE E E E SE S S S S S S S S SW SW W W W W SW SW W Wind spd 8 6 5 4 5 6 6 5 4 4 5 6 6 4 4 5 5 4 5 6 6 4 Clouds B2 B1 SC SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 FW FW FW FW B1 B1 B1 PoP 12hr 10 30 80 40 40 QPF 12hr 0 0.03 0.32 0.01 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C L L C C C C C Tstms S S C C C S S C C Heat index 84 88 91 86 92 99102 92 87101106105 91 Max heat 88 91 99 102 85 87 106 106 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 91 73 85 72 85 72 88 Temp 77 80 89 80 75 77 83 80 73 75 82 79 74 75 86 83 Dewpt 74 74 71 68 69 69 64 63 67 68 64 64 67 68 65 66 PWind dir NW N NE E SE SE NE NE Wind char LT LT LT GN LT LT LT GN Avg clouds B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC FW FW FW PoP 12hr 50 40 20 10 20 20 20 10 Rain shwrs C S C C S S S S S Tstms C S C S S S S $$ WVZ502-082000- Petersburg WV 38.99N 79.15W Elev. 963 ft 231 AM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 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 86 66 87 65 87 Temp 69 71 79 83 83 77 72 69 67 69 81 84 86 80 70 67 66 69 81 84 84 77 Dewpt 68 68 71 72 73 72 72 69 67 69 72 73 73 70 69 67 66 68 71 71 72 70 RH 97 90 77 70 72 85100100100100 74 70 65 72 97100100 97 72 65 67 79 Wind dir NE N N E E S S S S SW W W W W W SW SW SW W SW W W Wind spd 1 0 0 1 2 2 1 1 1 1 1 3 4 3 3 2 2 2 3 6 6 3 Clouds B2 OV B1 B1 B2 B1 B1 B1 B1 B1 B1 OV OV SC FW FW SC SC SC B2 B2 B1 PoP 12hr 70 50 90 5 70 QPF 12hr 0.06 0.04 0.26 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L C C C C S C D D S S L L C Tstms S C C C S C C C S C C S Obvis PF PF PF PF PF PF Heat index 88 89 85 90 93 83 85 89 90 Max heat 88 92 90 93 89 91 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 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 84 62 85 62 86 62 90 Temp 68 68 82 78 66 65 82 78 66 65 84 79 65 66 88 82 Dewpt 68 68 70 68 64 64 66 66 62 64 65 67 63 64 64 68 PWind dir W N NW E SE E SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 SC FW FW FW PoP 12hr 40 60 20 40 30 30 10 5 Rain shwrs C C L L S S S C C S C C Tstms S S C C C $$ MDZ014-082000- Annapolis MD 38.99N 76.49W Elev. 7 ft 231 AM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 73 85 75 93 Temp 72 73 79 82 84 82 77 75 74 76 83 85 85 83 77 77 75 79 90 93 91 84 Dewpt 70 69 68 69 69 71 73 73 73 73 76 77 76 76 77 76 74 73 75 75 73 73 RH 93 87 69 65 61 69 87 94 97 90 80 77 75 80100 97 97 82 62 56 56 70 Wind dir NE NE E E N S S S S S S S S SW N W W W W SW W W Wind spd 6 5 6 5 0 3 5 5 4 4 8 9 6 4 0 3 4 5 8 9 9 4 Clouds B2 B2 B1 SC SC B1 B1 B1 B2 B2 B1 B1 B2 B2 SC FW FW FW SC B2 B2 B1 PoP 12hr 5 30 80 20 60 QPF 12hr 0 0.03 0.24 0.01 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C L S S L L C Tstms S C C C S C C C Heat index 85 88 86 91 96 94 91 101105100 90 Max heat 85 88 96 96 105 103 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 88 72 88 71 88 71 91 Temp 77 78 88 84 75 76 86 82 73 75 87 83 74 75 90 86 Dewpt 74 71 69 70 69 68 66 66 68 68 67 67 68 68 69 69 PWind dir NW N NE E SE E SE NE Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B1 B1 SC SC SC SC SC SC SC B1 SC SC FW FW FW PoP 12hr 30 20 10 10 20 20 20 5 Rain shwrs C S S S S S Tstms C S S S $$