FOUS51 KLWX 161203 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 802 AM EDT Thu Apr 16 2026 VAZ054-162000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 802 AM EDT Thu Apr 16 2026 Date Thu 04/16/26 Fri 04/17/26 Sat 04/18/26 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 93 69 83 63 90 Temp 85 91 93 84 79 73 70 70 77 82 83 77 71 68 64 66 80 88 90 84 Dewpt 54 52 49 49 52 53 56 57 54 51 49 50 53 54 54 55 55 52 50 52 RH 35 27 22 30 39 49 61 63 45 34 31 39 53 61 70 68 42 29 25 33 Wind dir S S SW SW W NW NW W NW NW NW N N NE NE E SE S S SE Wind spd 8 12 14 12 11 10 9 9 11 10 10 6 5 4 5 6 9 11 11 12 Clouds B1 B1 SC SC SC B1 B2 B1 B1 SC SC FW FW FW FW FW FW SC SC B1 PoP 12hr 0 20 10 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C Heat index 80 Max heat 88 90 81 81 81 86 87 Date Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed 04/22/26 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 56 64 42 58 40 66 52 76 Temp 68 58 62 55 47 44 55 53 44 42 61 61 56 55 73 69 Dewpt 50 48 40 32 30 27 20 19 23 25 27 30 37 40 43 45 PWind dir S NW NW NW N SW S SW Wind char GN BZ GN BZ LT GN GN GN Avg clouds B1 B2 B2 B1 SC FW FW FW FW CL FW FW SC SC SC B1 PoP 12hr 50 60 20 10 5 0 5 20 Rain shwrs C C L C S S Tstms S $$ MDZ013-162000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 802 AM EDT Thu Apr 16 2026 Date Thu 04/16/26 Fri 04/17/26 Sat 04/18/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 65 84 59 88 Temp 87 91 93 82 76 69 65 67 77 84 84 76 68 63 59 64 74 87 88 78 Dewpt 56 54 51 51 52 52 56 57 56 53 51 52 54 55 54 54 57 55 55 55 RH 35 29 24 34 43 55 73 70 48 34 32 43 61 75 83 70 55 34 33 45 Wind dir SW S S SW W W W W NW NW NW N N NE NE E SE SE SE SE Wind spd 8 11 11 8 8 9 6 6 11 10 10 5 3 3 3 4 9 11 12 13 Clouds B1 B1 SC SC SC B1 B2 B1 B1 B1 B1 FW FW FW FW FW SC SC SC B1 PoP 12hr 0 20 10 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C Date Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed 04/22/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 62 40 55 37 64 50 74 Temp 62 56 60 54 45 42 53 50 41 40 60 59 54 55 72 67 Dewpt 53 50 43 36 31 27 22 21 22 23 28 33 38 40 46 48 PWind dir SE NW NW NW NW SW SW SW Wind char LT GN GN GN LT LT LT GN Avg clouds B2 B2 B2 B1 SC FW FW SC FW CL FW FW SC SC SC SC PoP 12hr 50 60 20 10 5 0 5 20 Rain shwrs C C L C S S S Snowshwrs S Tstms S $$ MDZ011-162000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 802 AM EDT Thu Apr 16 2026 Date Thu 04/16/26 Fri 04/17/26 Sat 04/18/26 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 67 82 60 85 Temp 85 90 91 83 78 71 67 69 77 81 82 74 67 64 60 63 73 84 85 78 Dewpt 54 51 48 48 50 51 55 55 52 49 47 49 52 53 52 52 53 51 50 51 RH 35 26 23 30 37 49 65 61 42 33 29 41 59 67 75 67 49 32 30 39 Wind dir SW S S SW W NW W W NW NW NW N N N NE E SE SE SE SE Wind spd 8 11 11 6 8 8 6 6 11 10 10 5 3 3 3 3 9 11 12 13 Clouds B1 B1 SC SC SC B2 B2 B1 B1 B1 B1 FW FW FW FW FW SC SC SC B2 PoP 12hr 0 20 10 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C Date Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed 04/22/26 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 54 63 42 57 39 63 51 73 Temp 62 56 60 55 47 43 54 53 43 41 58 61 56 55 71 67 Dewpt 49 46 39 32 29 24 19 19 21 22 25 30 37 39 43 44 PWind dir SE NW NW NW NW SW SW W Wind char LT GN LT GN LT LT LT LT Avg clouds B2 B2 B2 B1 SC FW FW SC FW CL FW FW SC B1 SC SC PoP 12hr 50 60 20 10 5 0 10 20 Rain shwrs C C L C S S S Snowshwrs S Tstms S $$ WVZ052-162000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 802 AM EDT Thu Apr 16 2026 Date Thu 04/16/26 Fri 04/17/26 Sat 04/18/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 65 81 59 89 Temp 86 91 92 82 75 69 65 67 75 79 81 74 66 63 59 63 78 87 89 82 Dewpt 53 49 48 46 49 55 54 55 53 49 47 48 49 50 50 51 53 51 49 49 RH 32 24 22 28 40 61 68 65 46 35 30 40 54 62 72 65 42 29 25 32 Wind dir SW SW SW W W W W W NW NW NW N N N NE SE S S S S Wind spd 10 12 11 8 10 8 5 6 11 10 9 4 2 1 2 2 9 11 12 10 Clouds SC SC SC SC B2 B2 B1 SC SC SC SC FW SC FW FW SC SC B1 B1 B2 PoP 12hr 5 20 10 0 30 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L Tstms S Date Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed 04/22/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 61 36 54 32 66 47 74 Temp 69 54 59 54 42 39 51 49 37 37 61 60 52 53 71 66 Dewpt 49 44 32 29 27 22 18 17 19 21 26 31 33 38 41 41 PWind dir SW NW NW NW NW S S W Wind char LT BZ GN GN LT LT LT GN Avg clouds B2 B2 B2 B1 SC FW FW SC CL CL FW FW FW SC SC SC PoP 12hr 60 50 20 10 5 5 10 20 Rain shwrs L L C C S S Tstms S $$ VAZ506-162000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 802 AM EDT Thu Apr 16 2026 Date Thu 04/16/26 Fri 04/17/26 Sat 04/18/26 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 93 67 83 61 90 Temp 86 91 93 83 76 71 67 69 77 82 83 76 69 64 61 65 80 88 90 84 Dewpt 57 55 52 51 53 55 57 58 57 53 51 52 54 54 55 55 57 53 51 50 RH 37 30 25 33 45 57 70 68 50 37 33 43 59 70 81 70 45 30 26 31 Wind dir SW SW SW SW W NW W W NW NW NW N N N NE SE S S S S Wind spd 8 11 13 9 10 8 6 6 11 11 10 5 3 2 2 3 9 11 12 11 Clouds B1 SC SC SC SC B1 B1 B1 B1 SC SC FW FW FW FW SC SC SC SC B1 PoP 12hr 5 20 10 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C Heat index 80 Max heat 89 91 80 81 82 86 87 Date Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed 04/22/26 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 62 40 56 35 65 50 77 Temp 69 56 59 54 45 41 54 50 40 39 62 62 55 54 74 69 Dewpt 54 50 41 34 32 26 21 21 23 25 29 33 37 41 46 46 PWind dir S NW NW NW NW S S W Wind char GN GN GN GN LT LT LT GN Avg clouds B2 B2 B2 B1 SC FW FW FW FW CL FW FW SC SC SC SC PoP 12hr 60 60 20 10 5 0 10 20 Rain shwrs C L L C S S Tstms S $$ VAZ037-162000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 802 AM EDT Thu Apr 16 2026 Date Thu 04/16/26 Fri 04/17/26 Sat 04/18/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 65 87 60 93 Temp 86 94 94 83 74 68 65 67 79 86 87 80 70 65 60 65 81 90 93 86 Dewpt 50 48 47 46 47 49 52 54 50 47 45 46 47 48 49 51 51 47 47 47 RH 29 21 20 27 38 51 63 63 36 26 23 30 44 54 67 60 35 23 21 26 Wind dir SW SW SW SW W W W W NW NW NW NE N NW N NE S S S S Wind spd 9 13 13 8 5 4 4 4 8 8 8 3 2 2 2 1 6 11 11 10 Clouds SC SC FW SC SC B1 B1 SC SC SC SC FW FW FW FW FW FW SC SC B1 PoP 12hr 0 20 20 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S C Date Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed 04/22/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 65 38 61 35 68 49 78 Temp 75 59 63 57 45 42 58 54 40 39 64 64 54 53 76 72 Dewpt 48 48 37 27 25 24 17 18 22 24 27 30 34 39 42 40 PWind dir SW NW NW NW N SW SW SW Wind char LT GN LT GN LT LT LT GN Avg clouds B1 B2 B2 B1 FW FW CL FW CL CL CL FW FW SC SC SC PoP 12hr 50 50 10 10 5 0 5 10 Rain shwrs C C C C $$ MDZ003-162000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 802 AM EDT Thu Apr 16 2026 Date Thu 04/16/26 Fri 04/17/26 Sat 04/18/26 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 62 80 57 87 Temp 83 89 90 79 72 66 62 65 73 78 80 73 65 62 57 61 77 85 87 80 Dewpt 57 53 51 49 52 58 57 58 56 52 50 51 51 52 52 53 56 54 51 52 RH 41 29 26 35 49 75 84 78 55 40 35 46 60 70 83 75 48 35 29 38 Wind dir SW SW SW W W W W W NW NW NW N NE E E SE S S S S Wind spd 11 14 13 9 10 8 5 6 11 10 10 5 3 2 3 3 10 12 13 11 Clouds SC SC SC SC B1 B2 SC SC SC SC SC FW SC FW FW SC SC B1 B1 B2 PoP 12hr 5 20 10 0 30 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L Tstms S Heat index 80 80 Max heat 87 87 80 83 85 Date Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed 04/22/26 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 50 59 36 52 32 65 48 72 Temp 67 53 56 51 41 38 50 47 37 36 59 59 52 54 68 65 Dewpt 54 47 36 31 29 24 21 19 20 22 30 34 36 41 46 44 PWind dir SW NW NW NW NW S S W Wind char LT GN GN GN LT LT LT GN Avg clouds B2 B2 B2 B1 SC FW FW SC CL FW FW FW SC SC SC B1 PoP 12hr 60 50 20 10 5 5 10 20 Rain shwrs L L C C S S $$ MDZ017-162000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 802 AM EDT Thu Apr 16 2026 Date Thu 04/16/26 Fri 04/17/26 Sat 04/18/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 69 85 63 89 Temp 85 92 94 85 80 77 70 70 78 85 85 75 68 66 63 68 75 89 89 81 Dewpt 54 55 52 52 51 53 54 56 56 55 54 55 55 55 54 54 56 56 55 53 RH 35 29 24 32 36 43 57 61 47 36 35 50 63 68 72 61 52 33 32 38 Wind dir SW S S S SW W W W NW NW N SE E N NE E SE SE SE SE Wind spd 10 12 11 9 10 9 5 5 10 8 8 4 3 3 4 4 6 11 14 14 Clouds B1 SC SC FW FW FW B1 B1 B1 SC SC FW FW FW FW FW FW SC SC B1 PoP 12hr 0 30 20 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S C Heat index 80 Max heat 90 92 82 84 84 87 87 Date Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed 04/22/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 67 43 60 41 65 52 76 Temp 69 62 62 56 49 46 57 54 46 44 61 59 58 58 73 67 Dewpt 54 54 46 39 36 31 26 26 27 28 30 37 41 43 49 50 PWind dir S NW NW NW N SW S SW Wind char GN GN GN GN GN GN GN GN Avg clouds B1 B2 B2 B2 SC FW FW FW CL CL CL FW FW SC SC SC PoP 12hr 40 70 20 10 5 0 5 20 Rain shwrs C C L L S S Tstms S $$ WVZ502-162000- Petersburg WV 38.99N 79.15W Elev. 963 ft 802 AM EDT Thu Apr 16 2026 Date Thu 04/16/26 Fri 04/17/26 Sat 04/18/26 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 59 83 55 92 Temp 82 89 90 79 68 63 59 62 73 81 83 74 64 60 56 60 81 91 92 81 Dewpt 51 49 47 48 54 55 54 55 52 49 48 49 49 49 47 48 49 48 49 53 RH 34 25 23 34 61 75 83 78 48 33 30 41 58 67 72 64 33 23 23 38 Wind dir W SW W W W W W W NW NW NW NW W SW SW S S SW S SW Wind spd 10 12 11 8 5 4 4 4 9 10 9 3 2 2 2 2 9 9 9 8 Clouds SC SC FW B1 B2 B2 B1 SC SC FW FW FW FW SC FW SC SC B1 B1 B2 PoP 12hr 10 30 10 0 40 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C L Tstms C S Date Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed 04/22/26 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 48 60 33 56 31 72 48 75 Temp 69 51 58 52 40 34 53 49 36 35 67 65 56 53 72 68 Dewpt 52 44 31 29 27 21 20 20 23 22 31 35 37 40 44 43 PWind dir W NW NW NW W SW SW W Wind char LT GN GN GN LT LT LT GN Avg clouds B2 B2 B2 B1 SC FW FW FW CL FW FW FW SC SC SC SC PoP 12hr 70 50 20 10 5 5 10 20 Rain shwrs L L C C S S S Tstms S S $$ MDZ014-162000- Annapolis MD 38.99N 76.49W Elev. 7 ft 802 AM EDT Thu Apr 16 2026 Date Thu 04/16/26 Fri 04/17/26 Sat 04/18/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 66 78 59 80 Temp 82 85 86 79 75 72 67 67 75 78 78 73 65 63 59 63 68 80 80 75 Dewpt 54 53 51 51 52 52 55 56 54 52 50 52 53 53 53 53 54 54 53 53 RH 38 33 30 38 45 49 65 68 48 40 37 48 65 70 80 70 61 41 39 46 Wind dir S S S S W W NW W NW NW N NE N N NE E E SE S S Wind spd 8 12 12 9 6 8 6 6 10 9 9 4 3 3 3 4 8 11 13 16 Clouds SC SC SC SC SC B2 B2 B1 B1 B1 B1 FW FW FW FW FW SC SC SC B1 PoP 12hr 0 20 10 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C Heat index 80 80 Max heat 83 84 80 80 Date Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed 04/22/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 62 42 56 39 61 52 71 Temp 60 57 59 56 47 43 52 52 43 42 55 58 55 55 68 66 Dewpt 50 49 42 37 32 29 23 24 25 25 29 36 40 41 44 46 PWind dir S NW NW NW NW S S SW Wind char GN GN GN GN LT LT LT GN Avg clouds B2 B2 B2 B1 SC FW FW FW FW CL FW FW FW SC SC SC PoP 12hr 50 60 20 10 5 0 5 20 Rain shwrs C C L C S S S Tstms S $$