Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
568 FOUS51 KLWX 191444 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1043 AM EDT Wed Jun 19 2024 VAZ054-192000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1043 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 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 71 92 72 97 Temp 83 88 89 83 77 74 72 76 84 89 90 85 79 76 74 77 87 93 94 90 Dewpt 65 62 61 62 64 65 65 65 64 63 62 63 64 65 66 67 66 65 64 65 RH 55 42 39 49 64 74 79 69 51 42 39 48 60 69 76 71 50 40 37 44 Wind dir S SE SE SE SE S S S S S S S S S S SW S S S S Wind spd 6 9 10 10 10 8 6 6 5 8 9 9 10 9 8 6 5 6 6 8 Clouds FW FW FW FW SC SC SC SC SC SC SC SC SC FW FW SC FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 85 88 89 84 85 90 90 86 89 95 96 92 Max heat 88 90 82 90 90 84 95 97 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 76 98 80 100 78 94 74 93 Temp 80 81 96 90 81 82 96 90 82 80 91 86 77 76 89 86 Dewpt 68 68 68 70 70 71 68 68 70 69 63 61 63 62 60 61 PWind dir S S S SW SW W NW NW Wind char GN LT LT GN GN GN LT LT Avg clouds FW FW SC SC SC SC B1 B1 B2 B1 SC SC FW FW FW FW PoP 12hr 5 10 10 20 50 40 10 5 Rain shwrs S C C S C Tstms S C C S C $$ MDZ013-192000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1043 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 67 90 69 95 Temp 83 88 88 82 75 70 68 73 83 88 88 83 75 72 70 75 86 92 92 87 Dewpt 66 63 59 62 66 65 65 68 66 65 62 63 65 66 65 68 68 66 66 68 RH 57 43 38 51 74 84 90 84 57 47 42 51 71 81 84 79 55 43 43 53 Wind dir SE SE SE S S S S S S SE SE S S S S SW S S S SE Wind spd 6 10 11 10 6 4 4 3 6 9 10 9 6 5 4 4 5 8 9 9 Clouds FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 85 89 83 85 90 88 84 89 95 95 91 Max heat 89 89 90 90 81 95 96 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 95 77 99 76 93 70 91 Temp 76 79 94 88 77 80 95 87 78 79 89 85 73 73 87 84 Dewpt 69 70 69 71 71 71 70 70 71 70 64 62 63 63 61 62 PWind dir S S S SW SW W NW W Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC SC B1 B1 B1 B1 B2 B2 B1 SC SC FW FW FW FW PoP 12hr 10 20 20 30 50 40 10 5 Rain shwrs S S C C C C C Tstms S S C C C S C $$ MDZ011-192000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1043 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 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 74 94 75 98 Temp 86 90 91 83 80 76 74 78 87 90 91 85 81 78 76 78 90 95 95 89 Dewpt 64 61 58 60 64 65 64 65 64 63 60 61 65 65 65 65 65 64 64 66 RH 48 38 33 46 58 69 71 64 46 41 36 45 58 64 69 64 44 36 36 47 Wind dir SE SE SE S S S SW S S SE SE S S S S SW S S S S Wind spd 8 10 11 10 6 5 4 4 6 9 10 9 5 5 3 4 5 8 9 9 Clouds FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 87 90 83 82 88 91 91 85 83 92 97 97 92 Max heat 90 90 85 91 92 84 97 98 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 79 98 82 102 79 95 74 94 Temp 81 82 96 89 82 83 97 90 83 80 91 86 78 76 90 85 Dewpt 68 68 67 68 71 70 68 68 69 67 62 61 62 61 60 61 PWind dir S S S SW SW W NW W Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC SC B1 SC B1 B1 B2 B2 B1 SC SC FW FW FW FW PoP 12hr 10 20 20 30 50 40 10 5 Rain shwrs S S C C C C C Tstms S S C C C S C $$ WVZ052-192000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1043 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 63 91 65 94 Temp 81 86 88 83 73 68 64 70 81 87 88 84 75 69 66 74 85 90 91 87 Dewpt 67 64 62 61 61 62 61 63 65 63 62 64 63 63 62 65 67 65 64 68 RH 63 48 42 47 66 81 90 78 58 45 42 51 66 81 87 74 55 44 41 53 Wind dir SE SE SE SE S SE S S SE SE SE SE S S S S S SE SE SE Wind spd 6 9 10 8 5 4 2 2 5 8 8 6 4 3 2 1 4 6 6 4 Clouds FW SC SC SC SC SC SC SC SC SC SC SC SC FW SC FW FW FW FW SC PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 83 87 88 83 83 88 88 85 88 92 93 91 Max heat 87 88 88 89 83 92 93 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 94 71 95 69 88 63 89 Temp 73 76 92 86 74 77 92 85 73 76 85 81 67 70 85 82 Dewpt 68 70 67 68 69 69 64 64 65 66 60 59 60 60 57 59 PWind dir S S S SW W W NW W Wind char LT LT LT LT LT GN LT LT Avg clouds SC FW SC SC SC SC B1 B1 B2 B1 SC FW FW FW FW FW PoP 12hr 10 20 20 30 50 30 5 5 Rain shwrs S S C C C S C Tstms S S C C C S C $$ VAZ506-192000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1043 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 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 66 92 68 97 Temp 84 88 89 84 76 70 67 73 83 89 90 86 77 72 69 75 87 93 94 90 Dewpt 68 64 62 63 64 64 64 67 67 65 65 65 65 65 65 67 68 66 66 68 RH 59 45 41 49 66 81 90 81 59 45 44 50 67 79 87 76 53 41 40 49 Wind dir SE SE SE SE SE S S S S S S S S S S S S S S S Wind spd 6 9 10 10 8 4 4 4 5 8 8 8 5 5 4 4 5 6 6 5 Clouds FW FW FW FW SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 87 89 89 85 86 91 92 88 91 96 97 94 Max heat 89 91 83 91 92 85 96 97 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 72 97 76 100 74 93 67 92 Temp 76 79 96 89 77 80 96 87 78 78 89 84 71 73 88 85 Dewpt 67 69 70 71 70 71 69 69 69 70 63 62 62 63 61 62 PWind dir S SW S SW SW NW NW NW Wind char LT LT LT LT LT GN LT LT Avg clouds SC FW SC SC SC SC B1 B1 B2 B1 SC FW FW FW FW FW PoP 12hr 10 20 20 30 50 30 10 5 Rain shwrs S S C C S S C Tstms S S C C S S C $$ VAZ037-192000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1043 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 66 92 68 97 Temp 84 88 90 83 76 71 68 73 83 89 90 84 76 72 69 74 88 93 94 88 Dewpt 66 63 62 63 62 62 62 63 64 63 62 63 63 62 62 64 66 64 65 66 RH 55 43 39 51 62 73 81 71 53 42 39 49 64 71 78 71 48 38 39 48 Wind dir SE SE SE SE SE S S S SE SE SE S S S SW SW S S S S Wind spd 5 8 9 6 2 1 1 2 4 5 6 6 2 2 2 2 5 6 6 5 Clouds FW FW FW SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 86 89 90 84 84 90 90 85 90 95 97 90 Max heat 89 90 82 90 91 82 95 97 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 99 75 100 74 95 68 94 Temp 77 79 96 89 78 79 96 90 79 77 91 85 73 73 90 86 Dewpt 65 68 66 68 67 68 66 66 66 67 61 60 60 61 60 61 PWind dir SW SW SW SW SW W NW W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC B1 B1 SC SC FW FW FW FW SC PoP 12hr 5 20 10 20 40 30 10 5 Rain shwrs S S C S S C Tstms S S C S C $$ MDZ003-192000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1043 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 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 66 92 67 96 Temp 83 88 90 84 75 70 67 73 83 89 90 86 77 72 69 76 86 93 93 88 Dewpt 69 66 64 63 62 63 63 65 67 65 64 65 65 64 64 67 69 67 66 69 RH 63 48 42 49 64 78 87 76 59 45 42 50 67 76 84 74 57 43 41 54 Wind dir S S S SE SE S SE S S S S S S S S S S S S S Wind spd 6 9 10 9 5 5 3 4 5 8 8 6 4 4 3 2 5 6 6 5 Clouds FW SC SC SC SC SC SC SC SC SC SC SC SC FW SC FW FW FW FW SC PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 87 90 91 85 86 91 91 88 90 97 96 92 Max heat 90 91 81 91 92 85 97 97 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 72 96 73 97 71 89 64 89 Temp 76 78 94 88 76 78 94 86 75 76 86 81 68 70 86 84 Dewpt 69 71 70 71 71 71 67 66 67 68 61 60 61 62 59 60 PWind dir S S S SW SW W NW W Wind char LT LT LT LT LT GN LT LT Avg clouds SC FW SC SC SC SC B1 B1 B2 B1 SC FW FW FW FW FW PoP 12hr 10 30 20 30 50 20 5 5 Rain shwrs S C S C C S S S Tstms S C S C C S S S $$ MDZ017-192000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1043 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 69 87 70 91 Temp 81 84 84 80 75 72 70 76 82 85 85 81 75 72 71 76 85 88 88 82 Dewpt 67 65 66 66 66 66 66 68 67 65 65 66 66 67 67 68 69 68 68 69 RH 63 53 55 62 74 81 87 76 61 51 51 60 74 84 87 76 59 52 52 65 Wind dir SE SE SE SE S S S S SE SE SE S S S SW SW S SE SE S Wind spd 8 10 13 12 10 6 5 3 8 9 11 12 10 9 8 8 6 10 12 12 Clouds SC FW FW FW SC SC SC FW SC FW FW SC SC FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 83 86 86 82 85 87 87 83 89 92 92 85 Max heat 86 87 87 87 92 93 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 93 77 97 77 93 72 89 Temp 76 79 91 86 78 82 93 87 79 81 89 84 75 76 86 82 Dewpt 68 70 71 71 69 71 72 71 71 72 68 68 65 65 63 65 PWind dir S S S S SW W NW E Wind char GN GN GN GN GN GN LT LT Avg clouds FW FW FW SC SC SC SC B1 B1 B1 SC SC SC FW FW FW PoP 12hr 0 5 10 20 50 40 20 5 Rain shwrs S C C C C S Tstms S C C S C S $$ WVZ502-192000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1043 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 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 64 92 66 95 Temp 83 89 90 82 72 67 64 69 82 90 91 83 73 69 66 72 86 92 92 85 Dewpt 68 64 64 65 63 62 60 63 66 64 64 67 65 63 62 67 69 68 68 71 RH 61 44 42 56 73 84 87 81 58 42 41 59 76 81 87 84 57 46 46 63 Wind dir E SE SE SE S S SW SW E E SE SE S SW SW SW N N N NW Wind spd 4 8 9 6 3 3 2 1 4 5 8 5 2 3 2 1 4 5 5 4 Clouds SC SC SC B1 SC SC SC SC SC SC SC SC SC FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 86 90 91 84 84 91 93 86 90 96 96 90 Max heat 90 91 91 93 96 97 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 96 70 95 67 88 61 91 Temp 72 74 93 86 73 75 91 82 71 70 84 78 65 66 87 82 Dewpt 68 70 68 71 67 68 66 66 65 66 61 61 59 60 58 62 PWind dir W W SW SW W W W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC SC B1 B1 B1 B1 B1 SC FW FW FW FW FW PoP 12hr 10 20 10 40 50 30 5 5 Rain shwrs S C C C S C Tstms S C C C S C $$ MDZ014-192000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1043 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 70 87 72 90 Temp 80 83 84 80 76 73 72 76 81 83 84 81 76 74 73 76 84 87 88 84 Dewpt 67 66 64 66 67 67 66 68 68 66 65 67 68 68 67 68 69 70 69 70 RH 65 57 51 62 74 81 81 76 65 57 53 63 76 82 81 76 61 57 54 63 Wind dir S S S S S S SW S S S S S S S SW SW S S S S Wind spd 8 10 11 11 10 6 5 4 6 9 11 10 10 8 6 5 5 9 11 10 Clouds FW FW FW FW SC SC SC SC SC SC SC SC SC FW FW SC FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 85 85 82 84 85 86 83 88 92 92 88 Max heat 85 86 85 86 92 93 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 92 80 95 78 91 72 88 Temp 78 80 90 86 80 81 91 86 79 79 86 84 75 75 84 82 Dewpt 70 70 71 71 72 72 72 72 71 70 68 66 65 64 65 65 PWind dir S S S S SW W NW E Wind char GN LT LT GN GN GN LT LT Avg clouds FW FW SC SC SC SC B1 B1 B2 B1 SC FW FW FW FW FW PoP 12hr 5 10 20 20 50 40 20 5 Rain shwrs S S C C C C S Tstms S S C C S C S $$