FOUS51 KLWX 290237 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1037 PM EDT Mon Apr 28 2025 VAZ054-290800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1037 PM EDT Mon Apr 28 2025 Date 04/28/25 Tue 04/29/25 Wed 04/30/25 Thu 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 86 69 86 64 Temp 64 59 58 60 73 83 86 80 75 71 70 71 77 83 85 77 70 66 65 64 Dewpt 39 39 41 45 48 52 53 54 56 57 58 59 57 54 53 53 53 52 51 51 RH 40 47 53 58 41 34 32 41 52 61 66 66 50 37 33 43 55 61 60 63 Wind dir S S S S S S S S SW SW W W NW NW NW N E E E E Wind spd 5 5 5 8 11 16 18 13 13 11 10 10 10 10 8 5 4 4 4 5 Wind gust 21 24 Clouds FW FW FW FW FW SC FW SC SC B1 B1 B1 B1 SC SC B1 B1 B1 B2 B1 PoP 12hr 0 5 20 30 20 QPF 12hr 0 0 0 0.05 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C S S Tstms S Heat index 80 Max heat 82 84 82 83 Date 05/01 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 Mon 05/05/25 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 83 69 87 62 75 53 75 56 80 Temp 80 75 69 72 85 76 67 63 73 68 57 57 73 69 59 60 78 73 Dewpt 56 58 62 61 58 58 56 53 44 40 42 41 39 40 44 44 45 46 PWind dir SE S SW W NW NW NW NW NW Wind char GN GN GN GN GN GN GN LT GN Avg clouds B1 B1 B2 B1 B1 B1 B1 B1 SC FW FW FW FW FW FW FW FW FW PoP 12hr 30 40 50 50 30 10 10 10 10 Rain shwrs C C S C C C C S Tstms S S C C $$ MDZ013-290800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1037 PM EDT Mon Apr 28 2025 Date 04/28/25 Tue 04/29/25 Wed 04/30/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 85 67 83 59 Temp 59 55 54 57 71 81 85 79 73 70 68 69 75 81 82 76 67 61 61 60 Dewpt 41 41 40 44 48 52 54 55 57 58 59 60 57 53 52 52 51 50 48 48 RH 51 59 59 62 44 37 35 44 57 66 73 73 54 38 35 43 56 67 62 64 Wind dir S SW S S S S S S SW SW W W NW NW NW N NE E E E Wind spd 4 4 4 5 10 12 13 11 9 6 5 5 6 8 5 2 2 2 2 2 Wind gust 14 20 24 27 23 19 Clouds FW FW FW FW FW SC SC SC SC B1 B2 B1 SC SC SC B1 B1 B1 B2 B1 PoP 12hr 0 5 20 20 20 QPF 12hr 0 0 0.01 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S Tstms S Date 05/01 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 Mon 05/05/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 63 84 58 72 49 71 52 77 Temp 76 72 64 67 82 74 64 59 70 65 53 53 69 67 55 56 75 71 Dewpt 52 58 61 61 59 60 57 54 46 42 42 41 39 41 44 44 45 47 PWind dir SE S SW W NW NW NW NW NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds B1 B1 B2 B1 B1 B1 B1 B1 SC FW FW FW FW FW FW FW FW FW PoP 12hr 20 40 50 50 30 10 10 10 10 Rain shwrs S C S S C C C C S Tstms S S C C $$ MDZ011-290800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1037 PM EDT Mon Apr 28 2025 Date 04/28/25 Tue 04/29/25 Wed 04/30/25 Thu 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 88 70 85 62 Temp 64 59 58 62 75 84 87 82 77 72 70 72 78 82 84 76 70 64 64 63 Dewpt 39 39 40 42 46 49 52 53 55 56 58 57 53 49 48 48 48 47 46 46 RH 40 47 51 48 36 30 30 37 47 57 66 59 42 32 29 37 45 54 52 54 Wind dir SW SW S SE S S S S SW SW W NW NW NW NW N NE NE E E Wind spd 3 3 4 5 9 12 13 11 8 5 4 5 6 8 5 2 1 2 2 2 Wind gust 19 24 27 23 19 Clouds FW FW FW FW FW SC SC SC B1 B1 B1 B1 SC SC SC B1 B1 B1 B2 B1 PoP 12hr 0 5 20 20 20 QPF 12hr 0 0 0.01 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S Tstms S Date 05/01 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 Mon 05/05/25 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 80 68 87 63 75 54 75 57 80 Temp 77 74 68 72 84 74 67 64 73 68 57 57 72 68 60 61 77 73 Dewpt 50 55 59 60 57 56 55 51 43 40 41 39 37 39 43 43 43 44 PWind dir SE S SW W NW NW NW NW NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds B1 B1 B2 B1 B1 B1 B1 B1 SC SC FW FW FW FW FW FW FW SC PoP 12hr 20 40 60 50 30 10 10 10 10 Rain shwrs S C S S L C C C S Tstms S S C C $$ WVZ052-290800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1037 PM EDT Mon Apr 28 2025 Date 04/28/25 Tue 04/29/25 Wed 04/30/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 87 64 81 57 Temp 60 55 53 57 75 85 87 80 73 69 65 66 73 79 80 74 65 60 58 60 Dewpt 38 40 41 43 48 53 54 55 57 59 58 56 54 52 51 50 50 49 48 49 RH 44 57 64 59 38 33 32 42 57 70 78 70 51 39 36 43 58 67 69 67 Wind dir S S S S S S S SW SW W W NW NW NW NW N NE N E E Wind spd 5 5 4 5 9 12 12 10 9 8 6 8 9 9 6 3 1 0 1 2 Clouds FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 B2 B2 B2 PoP 12hr 0 20 40 30 20 QPF 12hr 0 0 0.03 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C S S Tstms S S Heat index 80 80 Max heat 83 85 80 Date 05/01 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 Mon 05/05/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 63 83 56 69 44 72 48 77 Temp 77 73 65 67 81 72 62 57 69 61 50 50 70 66 53 54 75 71 Dewpt 55 58 60 59 56 53 52 49 41 37 38 39 37 40 42 43 44 45 PWind dir SE S SW W NW NW NW NW NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds B1 B1 B2 B1 B1 B1 B1 B1 SC FW FW FW FW FW FW FW FW FW PoP 12hr 40 50 60 40 30 10 10 5 10 Rain shwrs C C C L C C C S Tstms C S S C $$ VAZ506-290800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1037 PM EDT Mon Apr 28 2025 Date 04/28/25 Tue 04/29/25 Wed 04/30/25 Thu 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 53 85 66 83 61 Temp 61 56 53 57 72 82 85 80 74 69 66 68 75 81 83 76 67 63 61 63 Dewpt 42 42 42 46 51 54 57 57 59 60 61 61 60 58 57 55 53 53 51 52 RH 49 59 66 67 48 38 39 45 59 73 84 78 60 46 41 48 61 70 70 67 Wind dir S S S S S S S S SW SW W NW NW NW NW N NE E E E Wind spd 6 6 9 10 12 14 14 12 10 6 5 5 8 8 5 4 2 2 2 3 Wind gust 26 24 Clouds CL FW FW FW FW SC SC SC B1 B1 B2 B1 B1 SC SC B1 B1 B2 B2 B1 PoP 12hr 0 5 30 30 20 QPF 12hr 0 0 0.02 0.04 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S C C S S Tstms S Heat index 80 81 Max heat 81 84 81 82 Date 05/01 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 Mon 05/05/25 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 83 65 84 58 71 47 72 50 78 Temp 81 76 67 68 83 74 64 59 70 64 53 52 70 67 54 55 76 72 Dewpt 60 62 63 63 60 60 57 54 45 42 42 42 40 43 44 44 46 48 PWind dir SE S SW W NW NW NW NW NW Wind char LT GN GN LT GN LT LT LT LT Avg clouds B1 B1 B2 B1 B1 B1 B1 B1 SC FW FW FW FW FW FW FW FW FW PoP 12hr 30 40 50 50 30 10 10 10 10 Rain shwrs C C S C C C C S Tstms C S C C $$ VAZ037-290800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1037 PM EDT Mon Apr 28 2025 Date 04/28/25 Tue 04/29/25 Wed 04/30/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 85 64 86 61 Temp 62 57 53 56 72 82 84 78 73 68 65 68 79 85 84 77 70 65 62 64 Dewpt 39 39 40 43 48 52 53 53 54 56 57 58 59 57 56 57 57 56 53 53 RH 43 51 61 62 42 35 34 42 51 65 75 70 50 39 38 50 63 73 72 67 Wind dir S S S SW S S SW S SW SW SW SW W W W NE NE NE N NE Wind spd 3 4 4 5 9 11 13 11 10 6 5 4 4 5 4 3 2 2 1 1 Wind gust 21 Clouds CL FW FW CL CL FW FW SC SC B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 0 5 10 40 20 QPF 12hr 0 0 0 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S Tstms C C S Date 05/01 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 Mon 05/05/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 64 85 58 74 47 75 50 80 Temp 80 77 67 67 83 75 64 59 72 67 53 53 72 69 55 56 77 73 Dewpt 58 59 58 58 56 54 52 49 41 37 38 39 37 39 40 42 42 44 PWind dir S S SW W NW NW NW N N Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC B1 B1 B1 B1 B1 B1 SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 40 30 50 40 20 10 10 5 10 Rain shwrs C C S C C S S S Tstms C C S C $$ MDZ003-290800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1037 PM EDT Mon Apr 28 2025 Date 04/28/25 Tue 04/29/25 Wed 04/30/25 Thu 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 52 85 64 78 58 Temp 59 55 54 57 72 82 85 78 71 67 65 66 71 76 78 71 63 60 59 61 Dewpt 40 41 42 45 51 57 57 59 60 61 60 58 55 53 50 51 49 48 48 49 RH 49 59 64 64 48 43 39 52 68 81 84 75 57 45 37 49 60 64 67 65 Wind dir S S S S S S S SW SW W W NW NW NW NW N NE NE E E Wind spd 6 9 8 8 9 11 12 10 8 6 5 6 8 8 5 3 2 2 2 2 Wind gust 21 Clouds FW FW FW SC FW SC SC B1 B2 B1 B2 B1 SC SC SC SC B1 B1 B2 B2 PoP 12hr 0 20 40 20 20 QPF 12hr 0 0 0.06 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S S S S Tstms S S Heat index 82 Max heat 82 84 Date 05/01 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 Mon 05/05/25 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 80 63 81 56 66 44 70 48 76 Temp 76 73 65 67 79 71 61 57 65 61 49 50 68 65 52 54 74 69 Dewpt 57 60 61 61 60 57 54 51 43 40 40 40 40 43 42 44 46 48 PWind dir SE S SW W NW NW NW NW NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds B1 B1 B2 B2 B1 B1 B1 B1 SC FW FW FW FW FW FW FW FW FW PoP 12hr 40 50 60 40 30 10 10 5 10 Rain shwrs C C C L C C C S Tstms S S C C $$ MDZ017-290800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1037 PM EDT Mon Apr 28 2025 Date 04/28/25 Tue 04/29/25 Wed 04/30/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 83 67 83 62 Temp 60 58 57 59 72 80 82 75 71 69 67 69 78 81 79 70 67 64 62 64 Dewpt 45 45 45 48 51 53 54 54 54 55 57 59 60 60 58 57 57 58 56 55 RH 58 62 64 67 48 39 38 48 55 61 70 70 54 49 49 63 70 81 81 73 Wind dir S S S S S S S S SW SW SW W W NW N NE E E E E Wind spd 6 9 10 11 12 14 14 12 11 10 9 6 6 6 5 3 3 2 3 4 Clouds CL FW FW FW FW FW FW FW SC SC SC B1 SC SC B1 B1 B1 B1 B2 SC PoP 12hr 0 0 10 40 30 QPF 12hr 0 0 0 0.06 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S Heat index 80 82 Max heat 80 81 82 81 Date 05/01 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 Mon 05/05/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 66 83 61 75 52 72 54 76 Temp 77 68 67 70 81 72 65 62 74 65 57 56 69 65 57 58 73 68 Dewpt 58 59 61 60 60 61 59 57 50 47 46 44 44 45 47 48 49 49 PWind dir SE S SW SW NW NW N NW N Wind char LT GN GN LT GN LT GN LT LT Avg clouds SC SC B1 B1 B1 B1 B1 B1 B1 SC FW FW FW FW FW FW FW FW PoP 12hr 20 30 40 60 30 20 10 10 10 Rain shwrs S C S C L C C S S Tstms S S C $$ WVZ502-290800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1037 PM EDT Mon Apr 28 2025 Date 04/28/25 Tue 04/29/25 Wed 04/30/25 Thu 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 54 89 61 82 57 Temp 63 59 56 59 76 86 87 78 70 65 62 63 73 80 81 74 65 60 58 61 Dewpt 42 42 43 47 55 55 56 57 59 59 59 59 59 57 57 58 57 56 55 56 RH 46 53 62 64 48 35 35 48 68 81 90 87 62 45 44 57 75 87 90 84 Wind dir S S S S SW SW SW SW SW W SW W W W W W SW S S S Wind spd 5 8 6 6 6 9 10 6 5 4 3 2 3 5 4 2 1 1 1 1 Clouds CL FW SC FW FW SC SC B1 B1 B2 B2 B2 B1 SC B1 B1 SC B1 B1 B1 PoP 12hr 0 20 50 40 20 QPF 12hr 0 0 0.12 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C S S C C S S S Tstms S C S S S Heat index 80 81 Max heat 84 86 80 82 Date 05/01 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 Mon 05/05/25 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 85 60 80 51 68 41 72 44 78 Temp 81 75 63 65 78 69 59 52 65 61 46 47 70 65 50 51 76 70 Dewpt 61 62 59 58 57 55 52 47 42 39 39 38 39 43 42 41 45 49 PWind dir S SW SW W W W NW W NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 SC FW FW FW FW FW FW FW FW FW PoP 12hr 60 40 60 40 30 5 10 5 10 Rain shwrs S L C C L C C C S Tstms S C S S C $$ MDZ014-290800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1037 PM EDT Mon Apr 28 2025 Date 04/28/25 Tue 04/29/25 Wed 04/30/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 79 66 78 59 Temp 60 57 55 59 68 76 79 75 70 69 67 68 72 76 77 72 65 61 59 61 Dewpt 44 44 43 46 50 53 54 54 56 56 58 59 56 52 53 53 53 52 51 50 RH 55 62 64 62 52 45 42 48 61 63 73 73 57 43 43 51 65 72 75 67 Wind dir S S S S S S S S SW SW SW W W NW NW NE NE NE E E Wind spd 6 6 8 9 10 12 14 13 10 9 6 5 6 8 5 2 2 2 2 2 Wind gust 19 21 23 26 Clouds FW FW FW FW FW FW FW SC SC B1 B1 B1 SC SC SC B1 B1 B1 B2 B1 PoP 12hr 0 0 20 30 20 QPF 12hr 0 0 0 0.03 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C S S Date 05/01 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 Mon 05/05/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 63 81 60 70 51 69 54 74 Temp 70 70 64 68 79 72 64 61 68 65 56 52 66 65 56 58 71 69 Dewpt 52 57 60 60 58 58 57 54 46 44 44 42 42 44 47 46 47 48 PWind dir SE S SW W NW NW NW W NW Wind char LT LT GN LT GN LT LT LT LT Avg clouds B1 B1 B2 B1 B1 B1 B1 B1 SC SC FW FW FW FW FW FW FW FW PoP 12hr 20 40 50 60 30 10 10 10 10 Rain shwrs S C S S C L C C S Tstms S S C C $$