FOUS51 KLWX 081831 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 231 PM EDT Wed Jul 8 2026 VAZ054-082000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 231 PM 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 89 Temp 83 81 75 74 72 74 79 84 83 80 75 74 73 75 82 87 84 80 Dewpt 70 69 72 72 72 73 74 74 75 73 74 73 72 73 73 71 71 72 RH 65 67 90 93100 97 85 72 77 79 97 97 97 94 74 59 65 77 Wind dir S S S S S S S S SW S SW W W W W W W W Wind spd 5 8 8 8 8 8 8 6 8 6 5 6 8 6 9 10 10 9 Clouds B1 B2 B1 B2 B2 B2 B1 B1 OV B2 SC SC SC SC SC B2 B2 B1 PoP 12hr 20 30 90 20 60 QPF 12hr 0 0.04 0.47 0.01 0.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C D S L L C Tstms S C L S C C C Heat index 87 84 91 90 84 87 93 89 84 Max heat 83 87 91 93 93 93 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 85 70 83 68 83 69 89 Temp 74 74 82 80 72 72 80 78 69 71 81 79 69 72 86 84 Dewpt 72 72 68 68 68 67 64 63 65 66 61 62 64 65 63 64 PWind dir NW N NE E E E SW W Wind char LT GN GN GN LT GN LT LT Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW FW PoP 12hr 30 50 30 10 10 10 5 5 Rain shwrs C S S C C S Tstms C S C C $$ MDZ013-082000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 231 PM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 70 87 71 90 Temp 82 80 75 72 71 74 82 85 84 80 76 74 73 75 86 89 87 81 Dewpt 70 70 71 71 71 73 75 75 75 74 75 73 72 74 73 73 72 73 RH 67 72 87 97100 97 79 72 74 82 97 97 97 97 65 59 61 77 Wind dir SE S S S S S S S SW SW SW W W W W W W W Wind spd 4 3 2 3 3 3 4 5 5 3 2 3 4 4 6 8 9 4 Clouds B1 SC B1 B1 B2 B2 SC B2 OV B2 FW SC SC SC SC B2 B2 B1 PoP 12hr 10 20 90 20 60 QPF 12hr 0 0.03 0.46 0.01 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S L D S L L C Tstms S S L L S C C S Heat index 86 83 89 94 92 84 93 97 94 86 Max heat 86 9495 97 96 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 86 68 86 66 86 67 91 Temp 73 73 84 82 72 71 83 80 70 71 84 80 70 71 88 84 Dewpt 72 72 69 70 68 68 65 66 66 67 63 65 65 67 66 68 PWind dir NW N NE E E E SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW PoP 12hr 30 40 30 5 10 10 5 0 Rain shwrs C S C C S Tstms S S C S $$ MDZ011-082000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 231 PM 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 88 73 91 Temp 84 82 76 74 73 75 82 85 85 82 77 75 74 76 86 90 87 82 Dewpt 69 67 69 71 72 72 73 74 74 73 73 73 72 72 72 71 70 71 RH 61 61 79 90 97 90 74 70 70 74 87 94 93 87 63 54 57 69 Wind dir SE S S S S S S S S SW SW W W W W W W W Wind spd 4 2 1 2 2 3 4 5 5 2 1 2 3 3 5 8 9 3 Clouds SC SC B1 B1 B2 B2 B1 B2 OV B1 SC SC SC B1 SC B2 B2 B1 PoP 12hr 10 20 90 20 60 QPF 12hr 0 0.02 0.41 0.01 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S L D S L L C Tstms S S L C S C C S Heat index 88 85 87 93 93 87 92 96 92 86 Max heat 83 88 93 94 96 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 74 87 70 85 68 85 70 90 Temp 75 75 85 82 72 72 83 81 70 71 84 81 71 73 88 85 Dewpt 71 70 67 67 67 64 61 62 64 64 59 62 63 64 63 65 PWind dir NW N NE E E SE SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW FW PoP 12hr 30 40 30 10 10 10 5 0 Rain shwrs C S C C Tstms S C S $$ WVZ052-082000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 231 PM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 68 85 68 86 Temp 81 79 72 71 69 73 80 82 84 79 72 70 68 73 82 84 84 78 Dewpt 71 72 72 71 69 72 74 73 72 73 72 70 68 70 71 71 70 71 RH 72 79100100100 97 82 74 67 82100100100 90 69 65 63 79 Wind dir SE SE S S S S N SWSW SW W W W W W W W NW Wind spd 4 4 3 1 2 3 0 4 3 2 2 3 4 4 8 9 8 3 Clouds SC SC B2 B1 B2 B2 B1 B2 OV SC FW SC SC B2 SC B2 B2 B1 PoP 12hr 20 40 90 10 60 QPF 12hr 0 0.04 0.32 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S C L D S S L L C Tstms S S S C L S C C S Heat index 85 84 87 90 86 89 88 Max heat 85 87 90 89 90 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 83 63 81 62 84 64 90 Temp 70 71 81 78 68 68 80 77 66 68 82 78 68 69 88 84 Dewpt 70 70 69 68 65 63 63 63 62 63 61 63 62 64 62 65 PWind dir NW N N E SE SE SW W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B2 SC SC B1 SC SC SC SC SC FW FW FW FW PoP 12hr 30 60 20 10 10 10 5 5 Rain shwrs C C C L S Tstms S S C S $$ VAZ506-082000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 231 PM 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 87 69 88 Temp 82 80 74 72 71 74 81 86 82 80 73 72 70 74 83 87 85 79 Dewpt 71 74 73 72 71 73 76 76 75 74 73 71 70 73 73 73 74 74 RH 69 82 97100100 97 85 72 79 82100 97100 97 72 63 70 85 Wind dir S S S S S S S S SW W SW W W W W W W W Wind spd 4 3 3 4 3 4 4 5 4 2 2 2 2 3 6 8 6 3 Clouds B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 FW B1 SC B1 SC B2 B2 B2 PoP 12hr 20 30 90 10 70 QPF 12hr 0 0.04 0.56 0 0.25 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C D L L C Tstms S S C L C C S Heat index 86 84 87 96 89 84 89 94 93 Max heat 86 96 93 94 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 84 65 83 64 85 65 90 Temp 71 72 82 80 70 69 82 77 68 69 82 79 68 70 88 84 Dewpt 71 72 71 72 68 67 68 67 65 66 64 66 64 66 67 68 PWind dir NW N NE E SE E SW W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW PoP 12hr 30 50 20 10 20 10 5 0 Rain shwrs C S S C S S S Tstms S S C S $$ VAZ037-082000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 231 PM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 70 88 69 90 Temp 83 80 74 73 71 73 83 87 85 81 74 71 69 72 84 88 87 81 Dewpt 73 73 73 73 71 72 74 73 72 72 71 70 68 70 70 70 70 71 RH 72 79 97100100 97 74 63 65 74 90 97 97 93 63 55 57 72 Wind dir SE N N N N SW SW S W W N W W W W W W W Wind spd 4 0 0 0 0 1 4 6 4 1 0 3 3 3 5 6 5 3 Clouds B2 OV B2 B2 B2 B2 SC B2 OV FW FW SC FW SC SC B2 B2 B1 PoP 12hr 70 70 90 5 60 QPF 12hr 0.10 0.11 0.27 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C C L D L L S Tstms C C S C L C C S Obvis PF PF PF Heat index 89 84 90 94 91 85 88 93 92 85 Max heat 90 90 94 92 93 94 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 84 66 81 64 83 64 89 Temp 71 71 82 79 70 69 80 77 67 67 81 78 67 68 88 83 Dewpt 70 70 69 69 68 67 65 65 63 64 61 64 62 64 62 65 PWind dir W N N NE NE NE E SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC FW FW FW PoP 12hr 20 70 40 30 20 30 10 5 Rain shwrs S S L L C C S C S S C Tstms S S L S C $$ MDZ003-082000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 231 PM 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 84 68 86 Temp 81 79 73 71 69 72 79 80 82 80 73 70 68 72 81 84 83 78 Dewpt 70 72 72 71 69 72 73 73 73 73 73 70 68 71 72 71 71 72 RH 69 79 97100100100 82 79 74 79100100100 97 74 65 67 82 Wind dir S S S S S S S S S SW SW W W W W W NW NW Wind spd 4 4 4 3 4 4 3 4 4 3 2 2 2 3 6 8 6 3 Clouds SC SC B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC B2 B1 B2 B2 B1 PoP 12hr 20 30 80 10 70 QPF 12hr 0 0.03 0.27 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C L D S S L L C Tstms S S S C L S C C Obvis PF PF Heat index 85 84 87 84 85 89 88 Max heat 8586 89 89 89 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 84 64 90 Temp 70 71 81 78 69 68 80 78 67 68 82 80 68 69 87 84 Dewpt 70 70 68 69 64 63 64 65 62 64 63 65 63 65 65 67 PWind dir NW N NE E SE SE S W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 30 40 20 20 10 10 5 5 Rain shwrs C S C C S S Tstms C S $$ MDZ017-082000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 231 PM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 74 88 75 93 Temp 82 80 76 76 75 77 82 85 84 80 77 76 75 79 88 91 90 83 Dewpt 70 70 71 72 73 74 76 76 76 74 74 75 74 75 74 73 73 73 RH 67 72 85 87 94 90 82 75 77 82 90 97 97 88 63 56 58 72 Wind dir SE S S S S S S S S SW SW W W W W W W W Wind spd 5 6 6 5 5 4 6 8 6 5 4 4 5 4 5 6 6 5 Clouds B1 SC B2 B2 B2 B2 B1 B1 B2 B1 B1 FW SC SC FW B1 B1 B2 PoP 12hr 10 30 80 40 40 QPF 12hr 0 0.01 0.36 0.04 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L C C C C C Tstms S S C L C S S C C Heat index 86 83 89 94 93 84 97100 98 89 Max heat 83 86 94 98 100 101 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 87 73 84 71 83 71 87 Temp 77 78 85 80 75 75 81 79 74 74 81 79 72 74 84 81 Dewpt 73 74 71 70 70 70 65 64 66 67 62 62 66 67 65 66 PWind dir NW N NE E E E SE SW Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B1 B1 B2 B1 B1 SC SC SC SC SC SC SC FW FW CL PoP 12hr 50 60 30 10 10 10 10 5 Rain shwrs C S L C S Tstms C C C $$ WVZ502-082000- Petersburg WV 38.99N 79.15W Elev. 963 ft 231 PM 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 66 86 65 87 Temp 84 79 71 68 67 69 80 82 84 79 70 67 66 69 80 85 84 77 Dewpt 74 74 71 68 67 69 73 73 73 71 70 67 66 69 70 70 70 70 RH 72 85100100100100 79 74 70 77100100100100 72 61 63 79 Wind dir E SE SE S S S N W W SW SW SW SW SW W W WW Wind spd 2 1 1 1 1 1 0 2 2 2 2 2 2 2 3 5 5 3 Clouds B2 B2 B1 B1 B1 B1 B2 B2 B1 SC SC SC SC B1 B1 B2 B2 B1 PoP 12hr 70 50 80 10 60 QPF 12hr 0.11 0.02 0.21 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S C L L C S S L L C Tstms C C S L C S C C S Obvis PF PF PF PF Heat index 91 84 87 90 83 90 88 Max heat 93 91 87 90 90 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 64 83 61 82 60 85 61 90 Temp 67 68 80 77 66 64 80 76 64 64 82 78 64 65 88 81 Dewpt 67 68 69 70 65 64 67 66 62 63 64 66 62 63 65 69 PWind dir W N N 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 B1 B1 SC FW FW FW FW PoP 12hr 40 80 30 40 20 20 5 5 Rain shwrs C C L D C S S C S S S S Tstms S C C S C S $$ MDZ014-082000- Annapolis MD 38.99N 76.49W Elev. 7 ft 231 PM EDT Wed Jul 8 2026 Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 73 85 74 91 Temp 82 82 76 75 74 76 83 85 84 81 76 76 74 78 88 91 89 83 Dewpt 69 68 72 73 73 73 75 76 75 74 76 75 73 73 73 73 72 73 RH 65 63 87 94 97 90 77 75 74 79100 97 97 85 61 56 57 72 Wind dir SE N S S S S S S S SW N W W W W W W W Wind spd 4 0 4 5 4 5 8 9 8 4 0 3 4 5 8 9 9 5 Clouds SC SC B1 B2 B2 B2 B1 B2 OV B1 SC SC SC FW FW B2 B2 B1 PoP 12hr 10 30 90 40 60 QPF 12hr 0 0.03 0.64 0.02 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L D C L L C Tstms S S L L C C C C Heat index 85 85 90 94 92 86 96100 96 89 Max heat 85 94 94 100 99 Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 85 71 87 70 86 70 90 Temp 76 77 85 83 75 75 86 82 72 73 85 81 72 73 89 85 Dewpt 74 72 69 71 70 69 67 66 67 68 64 65 66 67 68 69 PWind dir NW N NE E E E S SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW FW PoP 12hr 30 50 30 5 10 20 5 5 Rain shwrs C S C C S S Tstms C S C C$$