Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
337 FOUS51 KLWX 120937 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 537 AM EDT Wed Jun 12 2024 VAZ054-122000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 537 AM EDT Wed Jun 12 2024 Date Wed 06/12/24 Thu 06/13/24 Fri 06/14/24 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 83 68 89 72 93 Temp 64 75 80 81 77 73 70 68 72 81 86 86 82 77 74 72 75 84 90 90 84 Dewpt 55 54 53 54 59 61 62 62 63 64 63 64 65 65 65 64 65 66 64 64 66 RH 73 48 39 39 54 66 76 81 73 56 46 48 56 67 74 76 71 55 42 42 55 Wind dir W S S S S S S S S S S S S S S S S SW SW W NW Wind spd 4 5 8 6 4 5 4 3 4 6 9 11 10 8 9 8 8 8 8 6 9 Clouds B2 B1 B2 B1 SC SC SC SC SC SC SC B1 SC SC SC SC SC SC SC B1 B2 PoP 12hr 5 5 20 0 30 QPF 12hr 0 0 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C Tstms C C C Heat index 80 81 83 87 87 84 86 91 91 86 Max heat 80 81 87 88 82 91 93 Date Sat 06/15/24 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 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 70 85 66 87 71 94 76 96 Temp 75 72 84 82 69 69 86 83 72 73 93 89 79 78 96 89 Dewpt 65 58 53 52 53 55 55 57 60 62 64 65 66 67 68 68 PWind dir N N NE SE S S S S Wind char GN GN LT LT LT LT LT LT Avg clouds B2 FW CL FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 40 0 0 0 5 5 10 10 Rain shwrs C Tstms C $$ MDZ013-122000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 537 AM EDT Wed Jun 12 2024 Date Wed 06/12/24 Thu 06/13/24 Fri 06/14/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 64 88 69 92 Temp 61 75 79 80 76 69 66 64 70 81 85 85 80 74 72 69 74 83 90 88 82 Dewpt 55 53 52 52 57 60 61 61 63 63 63 64 64 64 64 63 65 66 65 65 68 RH 81 46 39 38 52 73 84 90 78 54 48 50 58 71 76 81 74 57 44 47 63 Wind dir W W SW S S S S SW S S S S S S S S SW SW SW W NW Wind spd 4 5 6 5 3 4 3 2 3 6 9 11 10 6 6 5 6 6 6 6 6 Clouds B2 B1 B1 B1 SC FW FW SC SC SC SC B1 SC SC SC SC SC SC B1 B2 OV PoP 12hr 5 5 20 0 40 QPF 12hr 0 0 0 0 0.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C Tstms C C C Heat index 80 82 86 86 82 85 92 90 85 Max heat 80 86 87 92 91 Date Sat 06/15/24 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 84 62 85 67 93 72 94 Temp 70 70 84 80 66 67 84 80 68 73 91 86 74 76 93 86 Dewpt 64 59 54 54 54 54 54 56 60 62 65 66 67 68 68 68 PWind dir N N NE SE S S S S Wind char GN GN LT LT LT LT LT LT Avg clouds B2 FW CL CL FW FW FW FW FW SC FW FW FW SC SC SC PoP 12hr 40 0 0 0 5 5 10 10 Rain shwrs C Tstms C $$ MDZ011-122000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 537 AM EDT Wed Jun 12 2024 Date Wed 06/12/24 Thu 06/13/24 Fri 06/14/24 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 85 70 91 74 94 Temp 65 77 81 83 79 74 71 70 72 83 87 86 82 78 75 74 76 85 90 89 83 Dewpt 55 53 52 52 56 59 61 61 63 62 62 64 64 64 64 63 65 66 64 64 66 RH 70 43 37 34 45 59 71 73 73 49 43 48 55 62 69 69 69 53 42 44 57 Wind dir W W W SW S S S SW S S S S S S S S SW SW SW SW NW Wind spd 1 3 5 5 4 3 2 2 3 6 10 11 10 6 6 5 5 6 6 5 6 Clouds B1 B1 B1 B1 FW FW FW FW FW SC SC SC SC SC SC SC SC FW B1 B2 OV PoP 12hr 5 5 20 0 40 QPF 12hr 0 0 0 0 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C Tstms C C C Heat index 84 87 87 83 87 91 90 85 Max heat 80 82 87 88 81 91 91 Date Sat 06/15/24 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 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 71 87 68 89 73 96 78 97 Temp 75 72 86 82 71 69 88 84 76 74 94 89 81 80 95 89 Dewpt 63 56 51 52 52 51 51 54 60 60 62 64 66 66 66 66 PWind dir N N NE SE S S S S Wind char GN GN LT LT LT LT LT LT Avg clouds B2 FW CL CL FW FW FW FW FW SC FW FW SC SC SC SC PoP 12hr 40 0 0 0 5 5 10 10 Rain shwrs C Tstms C $$ WVZ052-122000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 537 AM EDT Wed Jun 12 2024 Date Wed 06/12/24 Thu 06/13/24 Fri 06/14/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 57 88 64 89 Temp 55 71 77 79 75 64 61 58 64 78 84 85 80 72 68 65 70 80 86 84 78 Dewpt 54 54 54 53 57 57 57 55 58 64 62 63 64 63 62 61 63 65 64 63 64 RH 96 55 45 41 54 78 87 90 81 62 48 48 58 73 81 87 78 60 48 49 62 Wind dir SW W SW SW S S S W SW S S S S S S S SW W W W NW Wind spd 3 5 5 4 3 3 2 1 1 3 6 8 6 4 4 3 3 5 8 8 8 Clouds B2 SC SC SC FW FW FW SC SC SC SC SC SC SC FW FW FW SC B1 B2 B1 PoP 12hr 5 5 20 5 50 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S Tstms C C Obvis PF Heat index 85 86 82 82 87 85 Max heat 85 86 87 87 Date Sat 06/15/24 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 81 55 85 62 92 68 94 Temp 65 66 79 75 60 63 82 79 67 70 90 87 71 76 94 87 Dewpt 59 55 50 52 52 52 53 56 57 60 62 64 65 67 65 65 PWind dir NW N NE SE SE S S S Wind char GN LT LT LT LT LT LT LT Avg clouds B1 FW CL CL FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 20 0 0 0 5 10 10 10 Rain shwrs S $$ VAZ506-122000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 537 AM EDT Wed Jun 12 2024 Date Wed 06/12/24 Thu 06/13/24 Fri 06/14/24 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 81 62 88 68 92 Temp 58 73 78 80 76 68 65 63 69 79 85 86 82 75 71 68 72 83 89 87 82 Dewpt 55 54 54 55 58 61 61 61 63 65 63 64 65 66 65 64 66 67 64 65 67 RH 90 51 43 42 54 78 87 93 81 62 48 48 56 74 81 87 81 59 44 48 61 Wind dir W W SW SW S S S S SW S S S S S S S SW SW W W NW Wind spd 5 5 6 4 3 4 3 2 3 5 8 9 8 6 6 5 6 5 6 6 8 Clouds OV SC B1 B1 SC FW SC SC SC SC SC SC SC SC SC SC SC SC B1 B2 B2 PoP 12hr 5 5 20 0 40 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms C C S Heat index 80 86 87 84 86 90 89 85 Max heat 80 86 87 82 90 91 Date Sat 06/15/24 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 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 64 83 59 87 67 94 72 96 Temp 70 69 82 78 62 65 85 84 70 73 92 89 75 77 95 88 Dewpt 64 59 54 56 53 54 56 58 59 62 67 66 67 69 69 68 PWind dir N N NE SE S S S S Wind char GN LT LT LT LT LT LT LT Avg clouds B1 FW CL FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 40 0 0 0 5 10 10 10 Rain shwrs C Tstms S $$ VAZ037-122000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 537 AM EDT Wed Jun 12 2024 Date Wed 06/12/24 Thu 06/13/24 Fri 06/14/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 64 90 67 94 Temp 61 74 79 81 77 70 67 64 68 80 86 87 82 75 71 68 72 84 90 89 83 Dewpt 55 56 57 58 61 62 61 60 63 65 64 64 66 66 65 63 64 64 63 64 65 RH 81 53 47 46 58 76 81 87 84 60 48 46 58 74 81 84 76 51 41 44 55 Wind dir SW S S S SE E S SW SW S S S S S S SW SW SW SW W NW Wind spd 3 5 6 6 4 1 1 1 2 4 6 9 6 3 3 4 3 4 5 4 5 Clouds B1 SC B2 B1 SC SC SC SC SC SC SC SC SC SC FW FW SC FW SC B1 B1 PoP 12hr 10 20 20 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S S Heat index 81 82 87 88 84 85 91 90 85 Max heat 81 87 88 82 91 91 Date Sat 06/15/24 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 87 61 89 67 95 72 96 Temp 71 69 85 80 64 65 87 83 69 70 93 87 76 75 95 89 Dewpt 62 58 53 53 52 55 56 58 58 61 64 64 65 67 66 65 PWind dir N NE N S S S SW S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 FW CL FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 20 0 0 0 0 10 5 20 Rain shwrs S S Tstms S $$ MDZ003-122000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 537 AM EDT Wed Jun 12 2024 Date Wed 06/12/24 Thu 06/13/24 Fri 06/14/24 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 81 62 88 67 89 Temp 57 71 77 80 76 69 65 63 68 78 84 86 82 74 70 68 72 80 85 84 78 Dewpt 54 54 52 52 55 56 57 57 60 63 63 62 64 64 64 63 65 65 65 65 65 RH 90 55 42 38 48 63 75 81 76 60 49 45 55 71 81 84 79 60 51 53 64 Wind dir SW SW W W S SE S SE S S S S S S S S S W W W NW Wind spd 2 3 4 5 4 4 3 2 2 5 8 9 8 6 5 4 4 6 8 9 8 Clouds B2 SC SC SC CL CL CL FW SC FW FW SC SC SC FW FW FW SC B2 B2 B1 PoP 12hr 5 5 20 5 60 QPF 12hr 0 0 0 0 0.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S L L S Tstms S C C Heat index 80 85 86 83 82 87 86 Max heat 80 85 86 82 87 88 Date Sat 06/15/24 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 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 61 82 57 85 65 94 71 96 Temp 66 67 80 76 60 63 82 80 68 71 92 88 75 77 94 87 Dewpt 59 58 52 54 52 52 55 58 58 61 66 66 67 69 68 68 PWind dir NW N NE SE SE S S S Wind char GN LT LT LT LT LT LT LT Avg clouds SC FW CL CL FW SC FW FW FW FW FW FW FW SC SC SC PoP 12hr 20 0 0 0 5 10 10 10 Rain shwrs S $$ MDZ017-122000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 537 AM EDT Wed Jun 12 2024 Date Wed 06/12/24 Thu 06/13/24 Fri 06/14/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 68 87 71 91 Temp 66 75 77 78 74 71 69 68 73 80 83 83 78 74 73 71 74 83 87 86 81 Dewpt 60 57 56 58 61 62 63 63 65 66 66 65 64 65 66 65 67 68 68 68 69 RH 81 54 48 50 64 73 81 84 76 62 57 55 62 74 79 81 79 61 53 55 67 Wind dir N NE SE SE S S S S S S SE S S S S S S S S SE SE Wind spd 4 4 5 8 8 6 5 4 5 8 10 12 11 9 9 8 8 8 9 10 8 Clouds B1 SC SC B1 FW FW FW SC SC SC SC SC FW FW FW FW B1 SC SC SC B2 PoP 12hr 5 5 20 0 20 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C Tstms S S C Heat index 82 85 85 86 91 89 84 Max heat 85 85 91 91 Date Sat 06/15/24 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 85 66 85 70 90 74 91 Temp 73 73 83 79 69 72 85 79 72 75 89 83 76 78 91 84 Dewpt 67 62 57 57 59 59 57 60 61 63 66 66 66 66 68 68 PWind dir N N NE E S S S S Wind char GN GN LT LT LT GN LT LT Avg clouds B2 SC CL FW FW FW FW FW FW FW FW FW SC FW FW SC PoP 12hr 40 0 0 0 5 5 5 5 Rain shwrs C Tstms C $$ WVZ502-122000- Petersburg WV 38.99N 79.15W Elev. 963 ft 537 AM EDT Wed Jun 12 2024 Date Wed 06/12/24 Thu 06/13/24 Fri 06/14/24 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 83 55 89 62 90 Temp 55 72 79 82 74 63 59 55 61 77 86 87 79 69 65 63 67 80 87 86 78 Dewpt 52 54 53 53 59 55 54 52 57 60 56 59 62 62 60 58 61 62 61 62 64 RH 90 53 41 37 59 75 83 90 87 56 36 39 56 78 84 84 81 54 42 45 62 Wind dir N SE N N NE W S S S S S SW SW S S S SW W W W NW Wind spd 0 2 3 3 2 1 1 1 1 2 4 5 3 2 2 2 2 4 6 6 4 Clouds B1 SC SC SC FW FW FW SC FW FW FW FW SC FW FW FW FW SC B1 B2 B1 PoP 12hr 10 5 20 0 40 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S Tstms C C Obvis PF Heat index 81 87 86 Max heat 81 85 87 87 87 Date Sat 06/15/24 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 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 57 83 55 89 65 96 68 94 Temp 62 62 81 75 58 62 87 81 68 70 95 85 71 73 93 84 Dewpt 60 57 51 55 53 54 58 62 61 64 64 69 66 69 67 70 PWind dir NW N S S S SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW CL FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 20 0 0 0 5 10 10 20 Rain shwrs S S Tstms S $$ MDZ014-122000- Annapolis MD 38.99N 76.49W Elev. 7 ft 537 AM EDT Wed Jun 12 2024 Date Wed 06/12/24 Thu 06/13/24 Fri 06/14/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 68 85 72 88 Temp 65 73 76 78 75 71 69 68 72 78 81 82 78 75 73 72 74 81 85 85 81 Dewpt 57 54 55 56 59 62 63 63 64 65 65 65 64 65 65 65 66 68 68 68 68 RH 75 51 48 47 58 73 81 84 76 64 58 56 62 71 76 79 76 65 57 57 65 Wind dir NW N SE S S S S S S S S S S S S S S S S SE SW Wind spd 3 3 5 6 6 5 4 3 5 8 11 14 13 9 8 6 8 8 9 8 6 Clouds B2 B1 SC B1 SC FW FW SC SC SC SC SC SC FW SC SC SC FW SC B1 OV PoP 12hr 5 5 20 0 30 QPF 12hr 0 0 0 0 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C Tstms C C C Heat index 83 84 84 88 88 84 Max heat 83 84 88 88 Date Sat 06/15/24 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 83 66 83 70 88 75 90 Temp 73 71 83 80 68 67 82 79 70 73 87 83 76 77 89 84 Dewpt 66 60 56 57 57 56 57 59 62 63 67 66 68 68 70 69 PWind dir N N NE SE S S S S Wind char GN GN LT LT LT GN LT LT Avg clouds B2 SC CL CL FW FW FW FW FW SC FW FW FW FW SC SC PoP 12hr 50 0 0 0 5 5 10 10 Rain shwrs C Tstms C $$