FOUS51 KLWX 161448 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1047 AM EDT Fri May 16 2025 VAZ054-162000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1047 AM EDT Fri May 16 2025 Date Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 71 88 65 79 Temp 79 86 86 79 74 72 72 72 80 85 86 80 74 69 67 68 73 77 78 73 Dewpt 69 70 70 67 67 66 66 64 64 62 59 56 56 54 52 52 51 51 52 51 RH 72 59 59 67 79 81 81 76 58 46 40 44 53 59 59 57 46 40 40 46 Wind dir SW SW SW SW S S SW SW W SW SW W NW NW W W W W NW NW Wind spd 6 8 9 9 6 6 8 10 13 14 16 12 11 10 10 12 16 17 17 13 Wind gust 27 27 Clouds FW FW SC SC SC SC B2 B2 FW FW FW FW FW FW FW FW FW SC FW FW PoP 12hr 70 50 20 0 0 QPF 12hr 0.19 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L C S C S S Tstms S C C C S S S S Heat index 82 91 91 83 83 86 86 80 Max heat 91 93 86 87 Date Mon 05/19/25 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 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 79 57 74 59 70 60 70 Temp 65 64 76 72 63 61 70 67 61 61 66 65 61 62 67 63 Dewpt 52 51 51 50 48 45 46 48 50 52 54 55 54 53 52 49 PWind dir NW NW N N E E NE NW Wind char GN GN GN LT GN GN GN GN Avg clouds FW FW FW SC SC FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 PoP 12hr 0 5 10 20 60 80 80 60 Rain shwrs S C L L D D C C L Tstms S S S $$ MDZ013-162000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1047 AM EDT Fri May 16 2025 Date Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 67 86 61 78 Temp 76 84 85 76 72 69 69 70 79 84 84 78 71 65 62 65 71 75 77 72 Dewpt 70 71 71 70 67 67 66 66 65 62 59 58 56 54 52 52 52 52 52 53 RH 82 65 63 82 84 93 90 87 62 48 43 50 59 68 70 63 51 45 42 51 Wind dir SW W W S S SW SW SW W W W W W W W W W W W NW Wind spd 4 6 5 5 3 2 3 5 10 12 11 9 8 5 6 10 13 14 14 10 Wind gust 25 Clouds SC FW B1 SC SC B1 B2 B1 CL FW FW FW FW FW FW FW SC SC FW FW PoP 12hr 70 60 30 5 0 QPF 12hr 0.37 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C L L C S C C C Tstms S C C L S S S C S Heat index 89 90 85 85 Max heat 89 94 85 86 Date Mon 05/19/25 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 78 53 73 54 67 55 67 Temp 62 61 75 71 59 56 69 66 57 57 63 62 57 58 65 62 Dewpt 52 51 51 51 47 43 44 46 49 50 53 54 54 54 52 50 PWind dir NW NW N N E E NE N Wind char LT GN LT LT LT GN LT GN Avg clouds FW FW FW SC SC FW SC SC B1 B1 B1 B2 B2 B2 B2 B1 PoP 12hr 0 5 5 20 60 80 80 60 Rain shwrs S C L L D D C C L Tstms S S $$ MDZ011-162000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1047 AM EDT Fri May 16 2025 Date Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 71 89 65 81 Temp 77 86 88 77 76 72 72 75 82 87 88 79 75 69 67 69 73 77 80 73 Dewpt 68 69 68 67 67 65 65 64 62 58 56 55 54 53 51 50 49 49 50 49 RH 74 57 52 71 74 79 79 69 51 38 34 44 48 57 56 51 43 37 35 43 Wind dir SW SW SW SW S SW SW SW W W W W W W W W W W W NW Wind spd 4 5 5 4 2 2 2 5 10 11 11 10 6 5 5 9 13 14 14 10 Clouds SC FW B1 SC B1 B1 B2 B2 FW FW FW FW FW FW FW FW SC SC FW FW PoP 12hr 70 60 40 5 0 QPF 12hr 0.40 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C L L C S C C C Tstms C C L L S S S C S Heat index 90 92 83 82 88 80 80 Max heat 90 92 88 88 80 Date Mon 05/19/25 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 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 80 57 75 59 71 60 72 Temp 65 65 78 72 63 61 71 67 62 61 67 63 61 62 68 64 Dewpt 50 49 48 48 45 41 42 44 48 49 51 51 53 51 50 49 PWind dir NW NW N N E E NE N Wind char LT GN LT LT LT GN LT GN Avg clouds FW FW FW SC SC FW SC SC B1 B1 B1 B2 B2 B2 B2 B1 PoP 12hr 0 5 5 20 60 80 80 60 Rain shwrs S C L L D D L C L Tstms S S $$ WVZ052-162000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1047 AM EDT Fri May 16 2025 Date Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 64 84 57 75 Temp 77 84 85 75 69 67 66 68 77 82 81 74 66 62 59 63 68 72 73 69 Dewpt 68 67 65 63 62 61 60 60 59 55 54 53 51 50 48 50 49 51 50 49 RH 74 57 51 66 78 81 81 76 54 40 39 48 58 65 67 62 51 48 44 49 Wind dir W W W SW S S SW SW W W W W W W W W W W NW NW Wind spd 5 9 11 5 3 3 5 9 12 14 14 10 8 6 8 10 13 16 16 10 Wind gust 21 26 27 25 27 27 Clouds CL FW B1 B1 SC B1 B2 B1 FW FW FW SC SC SC SC SC SC SC SC FW PoP 12hr 70 70 30 5 5 QPF 12hr 0.09 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C L C C S S Tstms C C C S S S S Heat index 87 87 82 81 Max heat 87 88 82 82 Date Mon 05/19/25 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 74 50 69 52 65 53 65 Temp 59 60 73 68 56 55 66 64 57 56 63 62 57 57 63 60 Dewpt 49 49 48 48 45 43 44 47 48 49 51 51 52 51 49 46 PWind dir NW NW N N E E NE NW Wind char GN GN LT LT LT GN LT GN Avg clouds FW FW FW SC SC FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 PoP 12hr 0 10 5 30 60 80 80 70 Rain shwrs C C L L D D C L L Tstms S S S S $$ VAZ506-162000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1047 AM EDT Fri May 16 2025 Date Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 66 86 60 77 Temp 78 86 85 76 71 70 68 69 80 84 84 77 70 64 62 64 71 74 76 71 Dewpt 71 72 71 69 67 67 66 65 66 62 60 58 56 55 52 54 53 54 55 54 RH 79 63 63 79 87 90 93 87 62 48 44 52 61 73 70 70 53 50 48 55 Wind dir SW W W SW S S SW SW W W W W NW W W W W W NW NW Wind spd 5 8 9 5 4 4 5 8 11 13 13 10 8 6 6 10 13 14 14 10 Wind gust 24 24 26 26 Clouds CL FW B1 B1 SC B1 B2 B2 CL FW FW FW FW SC FW FW SC SC FW FW PoP 12hr 70 50 20 5 0 QPF 12hr 0.09 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S C S S Tstms C C C S S S S Heat index 92 90 85 84 Max heat 92 95 85 86 Date Mon 05/19/25 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 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 76 52 70 54 66 54 65 Temp 61 60 75 70 59 56 67 65 57 57 63 62 58 57 63 60 Dewpt 52 53 53 53 49 46 48 50 50 53 56 56 55 54 53 50 PWind dir NW NW N N E E NE NW Wind char GN GN LT LT LT GN LT GN Avg clouds FW FW FW SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 PoP 12hr 0 5 10 20 60 80 80 60 Rain shwrs S C L L D D C C L Tstms S S S S $$ VAZ037-162000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1047 AM EDT Fri May 16 2025 Date Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 66 87 60 81 Temp 80 84 83 75 71 69 67 69 78 83 84 78 71 66 63 65 72 77 78 73 Dewpt 68 66 64 63 62 62 61 61 61 56 53 53 51 51 49 52 50 50 50 50 RH 67 55 53 66 73 78 81 76 56 40 34 42 49 58 60 63 46 39 37 44 Wind dir SW W SW SW S SW SW SW W SW W W W W W W W W W NW Wind spd 6 8 9 8 5 5 6 9 11 12 13 10 8 5 5 6 10 11 11 6 Wind gust 23 19 21 25 25 21 Clouds CL SC B1 B1 B1 B2 OV B2 CL CL FW FW FW SC SC SC SC FW FW FW PoP 12hr 50 40 10 0 0 QPF 12hr 0.04 0.08 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C C S S Heat index 82 86 84 83 80 Max heat 86 88 83 84 80 Date Mon 05/19/25 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 80 55 72 57 70 55 67 Temp 60 62 78 73 61 59 69 67 60 59 67 66 60 58 64 61 Dewpt 50 52 51 53 50 49 50 52 51 53 56 55 53 52 48 45 PWind dir NW NW N E NE E N NW Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW SC SC SC SC B1 B1 B2 B2 B1 B1 B1 B1 SC PoP 12hr 0 10 10 30 60 80 60 50 Rain shwrs C L L L D L C C C Tstms S C C S $$ MDZ003-162000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1047 AM EDT Fri May 16 2025 Date Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 64 82 56 74 Temp 76 83 85 75 69 67 66 68 77 81 79 72 65 60 58 61 68 71 73 68 Dewpt 69 71 68 67 65 64 63 62 63 58 57 56 53 51 49 50 52 52 52 52 RH 79 67 57 76 87 90 90 81 62 46 47 57 65 72 72 67 57 51 48 57 Wind dir SW W SW SW S S S SW W W W W W W W W W W W NW Wind spd 6 8 9 5 4 3 5 8 12 13 14 10 8 6 8 10 13 14 16 10 Wind gust 19 23 26 27 21 20 25 27 28 20 Clouds CL SC B1 SC SC B1 OV B1 FW FW SC SC SC SC SC SC SC SC SC FW PoP 12hr 70 70 40 5 5 QPF 12hr 0.19 0.05 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C L C C S S Tstms C L C C S S S S Heat index 88 88 81 81 Max heat 88 90 81 82 Date Mon 05/19/25 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 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 74 49 68 51 64 52 64 Temp 58 58 71 67 55 54 66 63 55 55 61 61 56 55 61 59 Dewpt 49 49 51 49 45 43 45 47 48 50 53 53 52 51 51 48 PWind dir NW NW N N E E NE NW Wind char GN GN LT LT LT GN LT GN Avg clouds FW FW FW SC SC FW SC B1 B1 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 0 5 5 20 60 80 80 60 Rain shwrs S C L L D D C L L Tstms S S S $$ MDZ017-162000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1047 AM EDT Fri May 16 2025 Date Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 69 89 65 82 Temp 81 85 83 76 72 71 70 72 80 85 86 79 73 69 67 69 76 79 80 74 Dewpt 70 70 69 68 67 66 66 67 66 65 62 60 58 57 55 55 54 55 55 56 RH 69 61 63 76 84 84 87 84 62 51 45 52 59 66 65 61 46 44 42 53 Wind dir SW SW SW SW SW SW SW SW SW W W W W NW NW W W W W NW Wind spd 6 6 6 5 5 5 6 9 11 13 13 9 8 8 8 9 12 14 13 9 Clouds CL CL SC SC SC B1 B1 B1 SC CL FW FW FW FW FW FW FW SC SC FW PoP 12hr 60 60 20 5 0 QPF 12hr 0.37 0.05 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S L C C S S Tstms C S C C S S S Heat index 84 90 87 82 88 88 80 81 Max heat 90 91 88 89 80 81 Date Mon 05/19/25 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 80 58 75 59 73 59 71 Temp 67 66 78 73 64 61 71 66 62 63 70 66 62 62 69 64 Dewpt 55 54 55 56 52 48 47 49 53 55 56 58 58 57 55 53 PWind dir NW NW N N E E NE N Wind char GN GN LT LT LT GN GN GN Avg clouds FW CL FW SC SC FW FW SC B1 B1 B1 B2 B2 B2 B1 B1 PoP 12hr 0 5 10 20 60 70 70 50 Rain shwrs S C L L L L C C C Tstms S S C S $$ WVZ502-162000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1047 AM EDT Fri May 16 2025 Date Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 61 84 54 76 Temp 78 84 82 73 68 66 64 65 75 81 80 71 63 59 57 58 66 73 74 68 Dewpt 68 66 64 62 61 62 59 59 56 53 53 54 52 49 48 49 49 51 50 51 RH 71 55 55 68 78 87 84 81 52 38 39 55 67 69 72 72 54 46 43 54 Wind dir W W W E E SE E NE W W W W W W W W W W W NW Wind spd 6 8 8 5 5 5 6 6 12 18 17 10 8 6 6 8 12 14 14 6 Wind gust 19 24 25 25 31 29 21 18 17 19 24 27 25 17 Clouds SC B1 B2 B1 B1 B2 OV SC FW FW FW SC SC FW SC SC SC SC SC FW PoP 12hr 60 70 30 10 5 QPF 12hr 0.03 0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C S S Tstms C C S C S S S S S Heat index 86 83 81 81 Max heat 86 86 81 82 Date Mon 05/19/25 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 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 51 77 48 73 50 69 50 64 Temp 57 57 75 68 55 53 70 66 56 55 66 63 55 52 60 56 Dewpt 50 50 50 51 49 46 50 52 51 52 56 55 52 49 48 45 PWind dir NW NW N E E E NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 PoP 12hr 0 10 10 40 60 90 70 70 Rain shwrs S C L L L D L C C L Tstms C C S S $$ MDZ014-162000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1047 AM EDT Fri May 16 2025 Date Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 68 84 63 76 Temp 74 80 80 75 72 70 69 71 77 81 82 78 71 67 65 66 70 74 75 72 Dewpt 69 69 69 68 67 66 66 65 64 62 60 58 58 56 53 52 52 52 53 52 RH 84 69 69 79 84 87 90 81 64 53 47 50 63 68 65 61 53 46 46 49 Wind dir S S S S SW SW SW SW W W SW W NW NW W W W W W NW Wind spd 5 5 4 5 4 3 5 6 10 11 11 9 9 8 8 10 13 14 14 11 Clouds FW FW SC SC SC B1 B2 B2 FW FW FW SC FW FW FW FW FW SC FW FW PoP 12hr 70 60 30 5 0 QPF 12hr 0.37 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L C S C C C Tstms S C C C C S C C S Heat index 83 83 82 83 Max heat 83 84 82 83 Date Mon 05/19/25 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 75 57 70 57 67 58 67 Temp 63 63 73 71 61 59 66 66 59 59 63 64 60 60 65 64 Dewpt 52 51 51 51 49 46 45 47 52 52 54 54 56 54 53 51 PWind dir NW NW N N E E NE N Wind char GN GN LT LT LT GN GN GN Avg clouds FW FW FW SC SC FW SC SC B1 B1 B1 B2 B2 B2 B2 B1 PoP 12hr 0 5 5 20 60 80 80 60 Rain shwrs S C L L D D C C L Tstms S S $$