FOUS51 KLWX 210900 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 459 AM EDT Sun Jun 21 2026 VAZ054-212000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 459 AM EDT Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 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 89 70 96 69 84 Temp 69 71 79 85 86 83 74 72 70 73 83 89 86 80 74 71 69 71 75 80 82 80 Dewpt 57 59 54 50 49 48 53 57 61 65 66 67 69 70 72 71 69 67 64 63 59 59 RH 66 66 42 30 28 30 48 59 73 76 57 48 57 72 93100100 87 69 56 46 49 Wind dir NW NW NW W NW N E E E SE S S SW SW W W NW NW N NW NW N Wind spd 5 8 10 11 12 9 5 5 6 9 13 17 18 13 12 9 8 9 10 12 12 10 Clouds B1 SC FW SC FW SC SC B1 B1 B1 B1 B2 B2 B2 OV B2 OV B2 B1 B2 B2 SC PoP 12hr 0 5 90 80 20 QPF 12hr 0 0 0.49 0.62 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C O O O O S S S S Tstms S C C C C Heat index 85 92 90 83 81 82 81 Max heat 83 85 92 94 81 82 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 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 86 67 88 68 89 70 89 Temp 67 68 83 81 69 71 85 81 71 71 85 83 72 72 85 84 Dewpt 59 58 54 55 60 62 61 63 66 67 64 66 65 65 60 62 PWind dir NW NW SE S S S SW W Wind char GN LT LT GN GN GN LT LT Avg clouds FW FW FW FW FW FW SC B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 0 5 40 50 40 20 20 Rain shwrs C C C S C S S S Tstms C C S S S $$ MDZ013-212000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 459 AM EDT Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 68 95 67 85 Temp 66 70 81 87 87 83 73 71 70 72 83 89 86 79 73 70 68 69 77 82 84 80 Dewpt 57 61 56 54 52 53 56 59 62 66 68 69 72 73 72 70 68 68 66 65 62 62 RH 73 73 42 32 30 36 55 66 76 81 61 52 63 82 97100100 97 69 56 48 54 Wind dir W W W W W NW N E E SE S S SW S W NW NW NW N N NW N Wind spd 4 6 10 12 13 5 2 3 4 6 14 12 16 13 6 4 4 9 10 12 12 11 Clouds B1 SC FW SC SC SC SC B1 B2 B2 B1 OV B2 OV B2 B2 OV B2 B2 B2 B2 FW PoP 12hr 0 5 90 80 20 QPF 12hr 0 0 0.70 0.70 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C O O O O S S S S Tstms S C C C C Heat index 81 86 94 92 84 85 81 Max heat 85 8794 96 84 85 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 86 66 88 67 88 68 89 Temp 66 67 84 81 69 70 86 81 70 71 86 83 72 72 87 83 Dewpt 59 59 57 59 62 63 64 66 67 68 67 69 66 66 63 65 PWind dir NW N S S S S SW W Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW FW FW FW SC B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 0 5 40 50 40 20 20 Rain shwrs C C C C C S S S Tstms C C S S S $$ MDZ011-212000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 459 AM EDT Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 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 89 70 96 70 85 Temp 67 71 82 87 87 84 74 71 70 73 84 89 86 79 74 72 70 71 77 82 84 81 Dewpt 56 58 53 50 49 50 54 57 60 63 65 67 69 71 71 70 68 65 63 62 59 59 RH 68 63 37 28 27 31 50 61 71 71 53 48 57 77 90 93 93 81 62 51 43 47 Wind dir W W W W W NW N E E SE SE S SW S W NW NW N N N NW N Wind spd 4 5 10 11 13 5 2 3 4 6 14 12 16 13 6 4 5 9 10 12 12 11 Clouds SC SC FW SC FW SC SC B1 B2 B2 B2 OV B2 OV B2 B2 OV B2 B1 B1 B2 FW PoP 12hr 0 5 90 80 20 QPF 12hr 0 0 0.91 0.75 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C O O O O S S S S Tstms S C C C C Heat index 86 92 90 83 84 81 Max heat 84 86 92 94 83 84 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 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 87 68 88 69 88 70 90 Temp 67 68 85 82 70 72 86 82 72 72 86 84 73 73 87 85 Dewpt 58 56 53 56 60 60 60 63 66 65 64 67 65 63 60 63 PWind dir NW N SE S S S SW W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 0 5 40 50 40 20 20 Rain shwrs C C C C C S S S Tstms C C S S S $$ WVZ052-212000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 459 AM EDT Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 62 90 63 82 Temp 61 66 77 83 85 79 68 66 64 68 77 83 82 76 70 67 64 67 74 80 82 77 Dewpt 55 58 52 49 48 51 52 53 54 57 62 66 68 69 68 67 64 63 60 58 54 56 RH 81 75 42 31 28 38 57 63 70 68 60 57 63 79 93100100 87 62 47 38 48 Wind dir W W W NW NW N NE NE E SES SW SW W SW NW NW NW N N N NW Wind spd 3 4 10 11 12 4 2 2 3 4 13 10 14 12 5 4 3 8 10 12 12 11 Clouds SC FW SC SC FW SC B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B1 SC FW PoP 12hr 0 20 90 70 20 QPF 12hr 0 0 0.48 0.30 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L O O L L C C S S Tstms S C C S S Heat index 85 85 81 Max heat 81 83 85 87 81 81 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 84 62 87 63 86 63 87 Temp 62 65 82 79 65 67 84 78 66 68 84 81 67 69 84 81 Dewpt 56 56 51 53 55 58 60 64 64 65 62 63 62 62 59 61 PWind dir NW NE SE S S SW W W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC B2 B1 B1 B1 B1 FW SC SC SC PoP 12hr 0 0 5 60 50 40 20 20 Rain shwrs L C C C C S S S Tstms C C C S $$ VAZ506-212000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 459 AM EDT Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 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 66 95 66 83 Temp 64 68 80 85 87 82 72 69 68 72 83 89 86 78 73 69 67 68 75 81 82 78 Dewpt 57 61 57 53 52 53 54 55 58 64 68 70 72 73 71 69 67 67 66 64 61 60 RH 78 78 45 33 30 37 53 61 70 76 61 54 63 85 93100100 97 74 56 49 54 Wind dir NW NW NW W NW N E E E SE S S SW W W W NW N N N NW NW Wind spd 3 4 10 11 12 4 3 3 4 5 14 13 17 12 5 4 4 9 10 12 12 11 Clouds SC SC FW SC SC SC SC B1 B2 B1 B1 B2 B2 OV OV B2 B2 B2 B1 B2 B2 SC PoP 12hr 0 5 90 80 20 QPF 12hr 0 0 0.30 0.33 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C O O O O S S S S Tstms S C C C C Heat index 80 86 94 92 83 83 Max heat 83 85 94 96 83 83 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 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 85 63 88 65 88 65 88 Temp 65 66 83 80 67 69 85 80 69 69 86 82 70 70 86 82 Dewpt 59 59 57 58 59 62 64 67 66 67 68 67 65 65 64 65 PWind dir NW N SE S S SW W W Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW FW FW FW SC B1 B1 B1 B1 B1 SC SC SC B1 PoP 12hr 0 0 5 50 50 40 20 20 Rain shwrs C C C S C S S S Tstms C C S S S$$ VAZ037-212000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 459 AM EDT Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 66 94 68 85 Temp 64 69 82 88 90 84 72 68 66 70 84 90 88 81 74 71 69 70 79 83 85 79 Dewpt 55 58 55 51 50 55 55 54 55 58 64 66 68 70 70 69 66 66 62 59 57 57 RH 73 68 40 28 25 37 55 61 68 66 51 45 52 69 87 93 90 87 56 44 39 47 Wind dir W W W W W E NE NE N S S SW SW SW SW SW W N N N N NW Wind spd 3 3 6 8 9 3 3 3 2 2 13 11 14 11 4 4 3 6 8 10 10 8 Clouds SC FW FW SC FW B1 SC B1 B1 SC SC B2 B1 B2 B2 B1 SC B1 B1 B2 OV B1 PoP 12hr 0 5 90 60 30 QPF 12hr 0 0 0.34 0.16 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S O O L L S S C C S S Tstms S C C S S Heat index 85 93 92 85 83 Max heat 85 87 93 93 83 84 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 86 65 87 66 89 67 90 Temp 64 66 84 81 67 68 85 81 69 69 87 83 69 70 87 83 Dewpt 56 56 52 55 58 59 60 64 65 65 62 65 63 63 59 62 PWind dir NW SE SE S S SW W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW SC SC B1 B1 SC B1 B1 SC SC SC SC PoP 12hr 0 0 5 40 30 40 10 20 Rain shwrs C C S S C S S Tstms C S C S $$ MDZ003-212000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 459 AM EDT Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 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 63 88 64 82 Temp 60 65 76 82 82 78 69 67 65 68 75 80 80 76 70 68 65 66 73 78 81 77 Dewpt 56 60 56 53 52 54 54 54 55 59 65 68 69 70 69 67 65 64 62 61 58 58 RH 87 84 50 37 35 43 59 63 70 73 71 67 69 82 97 97100 93 68 56 46 52 Wind dir W W W NW NW NW NE E E SE S S SW SW SW N NW NW N N N NW Wind spd 3 4 10 11 12 4 3 3 4 6 14 11 14 12 5 4 3 8 11 13 13 11 Clouds FW FW FW SC FW SC SC B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B1 SC FW PoP 12hr 0 20 90 60 10 QPF 12hr 0 0 0.39 0.31 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L O O L L C C Tstms S C C S S Heat index 83 83 81 Max heat 81 83 83 85 81 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 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 59 83 63 86 63 86 63 86 Temp 62 65 81 79 66 68 82 79 68 68 82 80 68 68 82 80 Dewpt 57 58 55 56 56 60 62 66 64 66 65 65 62 63 62 63 PWind dir NW W SE S SE SW W W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW CL FW FW SC SC B2 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 0 5 60 50 40 20 20 Rain shwrs L C C C C S S S Tstms C C S S $$ MDZ017-212000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 459 AM EDT Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 74 99 72 88 Temp 70 75 84 89 90 84 77 75 75 79 89 93 91 82 78 75 73 76 81 85 86 81 Dewpt 59 61 60 59 58 62 64 66 68 68 70 69 70 72 71 72 71 70 68 66 64 64 RH 68 62 44 37 34 48 64 74 79 69 54 46 50 72 79 90 93 82 65 53 48 56 Wind dir NW NW NW W SW SE S SE SE S S S S S S SW SW NW N N NW N Wind spd 4 5 6 8 9 5 6 6 8 10 14 16 19 17 11 8 8 9 10 12 12 12 Clouds SC SC SC SC SC SC SC B1 B1 SC SC B1 B1 B2 OV B2 B2 B2 B2 B2 B2 B1 PoP 12hr 0 0 90 80 30 QPF 12hr 0 0 0.12 0.36 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S O O O O S S C C S S Tstms S C C C C Heat index 84 85 94 98 97 87 84 87 87 83 Max heat 88 89 99 100 87 89 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 88 71 87 72 90 73 91 Temp 72 74 85 80 73 75 86 80 74 77 87 83 76 78 89 84 Dewpt 63 61 57 59 64 64 63 65 67 68 68 69 69 67 65 66 PWind dir N NE S S S S SW SW Wind char GN LT LT GN GN LT LT LT Avg clouds SC FW FW FW FW FW FW B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 5 0 5 30 30 50 20 30 Rain shwrs S C C C C C S S C Tstms S C S S S $$ WVZ502-212000- Petersburg WV 38.99N 79.15W Elev. 963 ft 459 AM EDT Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 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 59 91 61 82 Temp 60 63 76 82 84 77 66 63 61 65 78 83 83 76 69 65 62 64 73 79 81 75 Dewpt 56 59 54 51 51 55 54 54 53 57 65 70 71 69 68 65 62 63 60 60 57 57 RH 87 87 46 34 32 47 65 72 75 75 64 65 67 79 97100100 97 64 52 44 54 Wind dir SW W W W W N S S S S S SW SW SW W NW W NW NW N NW NW Wind spd 3 3 9 9 11 2 1 2 2 3 11 9 10 10 4 3 2 5 9 11 10 10 Clouds SC SC SC FW FW SC SC B1 B1 B2 OV B2 B2 OV B2 B1 B1 B2B2 B1 B1 FW PoP 12hr 0 30 90 60 30 QPF 12hr 0 0.01 1.08 0.24 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L O O L L S S C C Tstms S C C S S Heat index 87 88 81 Max heat 81 82 87 91 81 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 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 55 86 60 89 61 87 61 87 Temp 57 61 84 78 62 65 85 78 65 66 84 79 64 65 85 79 Dewpt 55 55 52 57 56 57 61 65 62 63 63 64 61 62 61 63 PWind dir NW NW NW SW SW W W W Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW FW SC SC B1 B1 SC B1 B1 SC B1 B1 SC PoP 12hr 0 0 5 40 30 30 10 30 Rain shwrs S C C S C C S C Tstms C S C S $$ MDZ014-212000- Annapolis MD 38.99N 76.49W Elev. 7 ft 459 AM EDT Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 72 92 70 84 Temp 69 73 84 88 88 83 75 73 72 76 86 90 87 79 74 72 71 72 79 83 84 81 Dewpt 59 61 58 56 55 59 62 64 65 67 69 69 70 72 73 72 70 68 66 65 62 63 RH 70 66 41 34 33 44 64 73 79 74 57 50 57 79 97100 97 87 64 55 48 54 Wind dir NW W W W NW NW E SE E SE S S S S SW W NW NW N N NW N Wind spd 5 6 9 10 12 4 3 4 5 9 16 16 19 16 8 5 6 9 10 12 12 11 Clouds B1 SC FW SC FW FW SC B1 B2 B1 B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 SC PoP 12hr 0 5 90 80 20 QPF 12hr 0 0 0.69 0.69 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C O O O O S S S S Tstms S C C C C Heat index 84 83 90 95 92 85 85 82 Max heat 86 87 95 94 85 85 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 85 70 87 71 88 72 90 Temp 70 71 85 81 72 74 86 81 73 74 87 82 75 75 89 85 Dewpt 62 59 57 60 65 63 63 65 69 67 67 69 69 66 64 66 PWind dir NW NE S S S S SW SW Wind char GN LT LT GN LT LT LT LT Avg clouds FW FW FW FW FW FW SC B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 5 0 5 40 40 40 20 20 Rain shwrs C C C C C S S S Tstms C C S S S $$