Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
673 FOUS51 KLWX 200238 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1038 PM EDT Sat Jul 19 2025 VAZ054-200800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1038 PM EDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 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 75 92 75 87 68 Temp 78 76 75 78 84 89 90 86 81 79 76 76 80 84 84 80 75 72 69 71 Dewpt 75 74 73 73 74 73 73 72 72 70 69 66 65 63 62 62 61 60 58 58 RH 91 94 94 85 72 59 58 63 74 74 79 71 60 49 48 54 62 66 68 63 Wind dir S S SW SW W W W W NW NW N N N N N N NE NE NE NE Wind spd 4 3 3 4 6 10 10 10 9 9 9 8 8 6 6 5 5 5 6 8 Clouds B1 SC B1 B1 B1 SC SC B1 B1 SC B1 SC SC SC SC FW SC SC FW FW PoP 12hr 20 30 20 10 5 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S S Heat index 91 97 98 92 85 82 85 85 81 Max heat 97 98 90 85 86 Date 07/22 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 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 69 86 71 90 75 95 78 94 Temp 81 78 71 72 83 80 73 74 87 83 77 78 92 87 81 81 91 85 Dewpt 59 61 63 64 64 64 65 66 68 69 70 70 70 73 73 73 72 73 PWind dir NE E SE S S S SW W NW Wind char LT LT LT GN GN GN LT LT LT Avg clouds FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC SC B1 PoP 12hr 5 0 5 0 5 5 20 20 30 Rain shwrs S S C Tstms S S C $$ MDZ013-200800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1038 PM EDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 92 72 86 66 Temp 77 76 74 75 84 89 89 84 79 76 73 73 80 84 83 79 73 70 67 68 Dewpt 75 75 73 75 76 75 75 74 73 71 68 67 66 64 63 63 62 59 56 57 RH 94 97 97100 77 64 64 72 82 85 84 81 62 51 51 58 68 68 68 68 Wind dir S SW W W W W W W NW NW N N N N N N NE NE NE NE Wind spd 2 2 2 2 5 8 8 5 4 4 5 5 5 5 6 3 3 4 5 5 Clouds B1 B1 B1 B1 SC B1 SC SC B1 SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 20 30 20 5 5 QPF 12hr 0.10 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S S Heat index 93 99 99 91 82 85 84 Max heat 99 99 89 85 85 Date 07/22 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 67 86 69 90 73 95 76 94 Temp 80 76 69 71 82 78 71 73 87 83 76 77 93 86 80 80 91 85 Dewpt 60 61 64 66 65 65 65 67 70 71 70 72 72 75 73 75 74 75 PWind dir NE E SE S S SW SW W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC SC B1 PoP 12hr 0 0 0 5 5 10 20 20 30 Rain shwrs S S C Tstms S S C $$ MDZ011-200800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1038 PM EDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 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 79 97 77 91 71 Temp 82 79 79 80 89 93 94 87 85 79 78 78 84 87 88 82 79 73 71 73 Dewpt 75 74 73 73 73 73 72 71 72 69 66 64 62 61 59 59 59 58 56 55 RH 79 85 82 79 59 52 49 59 65 72 67 62 48 42 38 46 50 59 59 53 Wind dir S SW W W W W W W NW NW N N N N N N NE NE N N Wind spd 2 1 1 2 4 8 8 5 4 4 5 5 5 5 6 3 3 4 4 5 Clouds B1 SC SC SC SC B1 B1 SC B1 SC SC FW FW SC FW FW FW FW FW FW PoP 12hr 20 30 10 5 0 QPF 12hr 0.19 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 89 84 97102102 93 91 85 87 82 Max heat 89 84 102 103 94 87 88 81 Date 07/22 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 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 88 72 90 75 95 79 99 81 98 Temp 84 79 73 76 87 81 76 78 91 85 81 82 96 88 83 85 95 87 Dewpt 57 58 62 63 62 62 65 66 68 68 69 70 70 72 73 73 71 72 PWind dir NE E SE S S SW SW W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW B1 SC FW FW FW FW FW FW SC SC SC SC B1 PoP 12hr 0 0 0 5 5 10 20 20 30 Rain shwrs S S C Tstms S S C $$ WVZ052-200800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1038 PM EDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 91 69 85 61 Temp 74 72 71 75 83 88 88 81 76 73 69 72 77 81 82 77 69 65 62 65 Dewpt 72 71 70 70 71 71 70 70 69 67 65 65 63 62 61 61 59 58 55 55 RH 93 97 97 84 67 57 55 69 79 81 87 79 62 53 49 58 70 78 78 70 Wind dir S SW SW SW W W NW NW NW NW NW N N N N N N N N N Wind spd 2 1 2 3 6 9 10 6 5 5 5 5 5 5 5 2 2 4 4 4 Clouds SC B1 B1 SC SC SC B1 SC SC B1 B1 SC SC SC FW FW SC SC FW FW PoP 12hr 10 30 10 10 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C Tstms S C Obvis PF Heat index 88 94 93 85 82 83 Max heat 94 94 82 83 Date 07/22 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 62 86 66 91 70 95 73 93 Temp 78 75 64 67 82 78 69 71 88 83 73 76 92 85 76 77 90 82 Dewpt 57 60 59 60 64 65 64 65 69 69 69 70 70 72 71 71 71 72 PWind dir NE E SE S S S W W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL FW SC SC SC SC FW FW FW FW FW FW SC SC B1 SC B1 PoP 12hr 5 0 5 0 10 10 20 20 40 Rain shwrs S S C Tstms S S C $$ VAZ506-200800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1038 PM EDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 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 72 93 72 86 64 Temp 76 74 73 75 85 90 89 83 78 75 72 73 80 84 83 78 72 69 65 67 Dewpt 75 74 73 74 76 76 75 74 73 71 69 68 68 66 65 65 64 60 58 58 RH 97100100 97 75 64 64 74 85 87 90 84 67 55 55 64 76 73 78 73 Wind dir S S SW SW W W W NW NW NW N N N N N N N N N N Wind spd 2 2 2 2 5 8 9 6 5 5 5 5 5 5 6 3 2 3 4 4 Clouds SC SC B1 SC SC SC SC SC B1 SC B1 SC SC SC FW FW SC FW SC FW PoP 12hr 10 30 10 10 5 QPF 12hr 0.07 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 94102 99 90 83 86 85 Max heat 102 101 86 86 86 Date 07/22 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 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 64 86 67 92 71 97 75 95 Temp 81 76 67 69 84 79 70 72 89 83 75 76 94 86 79 79 92 84 Dewpt 62 63 62 65 67 67 65 67 72 71 69 71 72 75 73 75 75 75 PWind dir NE E SE S S S SW W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC FW FW FW FW FW FW SC SC SC SC B1 PoP 12hr 5 0 5 5 5 5 20 20 30 Rain shwrs S S C Tstms S S C $$ VAZ037-200800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1038 PM EDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 92 72 85 65 Temp 74 73 72 74 83 89 88 82 78 75 73 74 80 81 80 76 71 69 66 68 Dewpt 73 72 72 73 73 72 72 72 72 71 70 70 68 68 67 67 66 64 62 62 RH 97 97100 97 72 57 59 72 82 87 90 87 67 65 65 74 84 84 87 81 Wind dir SW SW SW SW W W W NW NW NW N N NE NE NE NE N N N NE Wind spd 1 1 2 2 5 5 6 4 3 2 2 3 4 4 3 2 1 2 3 5 Clouds B1 SC SC B1 SC SC B1 SC B1 B1 B1 SC B1 B1 B1 SC SC SC SC SC PoP 12hr 10 30 20 40 20 QPF 12hr 0.04 0 0 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S S C C S S Tstms S C S S C C Obvis PF PF Heat index 89 96 95 87 83 84 82 Max heat 96 96 84 84 84 Date 07/22 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 65 83 66 88 70 93 73 92 Temp 80 75 68 68 81 77 69 70 86 80 73 74 90 83 75 76 89 82 Dewpt 62 64 63 64 66 66 65 66 69 69 69 70 69 73 72 72 73 73 PWind dir E NE SE S S SW SW W SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW SC SC SC SC SC FW FW FW FW SC FW SC SC SC SC B1 PoP 12hr 10 5 5 5 5 5 20 20 30 Rain shwrs S S C Tstms S S C $$ MDZ003-200800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1038 PM EDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 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 71 91 68 85 61 Temp 75 73 72 74 83 88 87 81 75 71 68 70 77 82 82 77 69 65 61 64 Dewpt 73 72 71 73 74 74 73 71 70 67 65 66 65 62 61 62 59 56 54 56 RH 94 97 97 97 74 63 63 72 84 87 90 87 67 51 49 60 70 73 78 75 Wind dir SE S SW S W W W NW NW NW N N N N N N NE NE N NE Wind spd 2 2 2 3 5 9 9 6 5 4 4 4 5 5 5 3 4 5 5 4 Clouds SC B1 B1 B2 FW SC B1 FW B1 SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 10 40 10 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C Tstms S C Heat index 90 97 94 85 83 83 Max heat 97 96 83 83 Date 07/22 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 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 82 62 86 67 92 71 96 73 94 Temp 79 75 65 67 83 79 70 71 89 83 74 76 93 86 77 77 91 84 Dewpt 60 61 59 62 67 66 64 66 72 71 69 71 72 73 73 73 73 72 PWind dir NE E SE S S S W NW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL FW SC SC SC SC SC FW FW FW FW FW SC B1 SC SC B1 PoP 12hr 0 0 5 5 10 10 30 20 40 Rain shwrs C S C Tstms C S C $$ MDZ017-200800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1038 PM EDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 93 76 87 71 Temp 78 76 75 79 85 90 91 86 81 79 77 79 82 83 85 81 76 74 72 75 Dewpt 75 74 73 75 76 76 76 76 75 73 71 71 68 67 66 66 66 64 63 63 RH 91 94 94 88 75 64 62 72 82 82 82 77 63 59 53 60 71 71 73 66 Wind dir SW SW W W W W W W W NW N N N N N NE NE NE NE NE Wind spd 4 3 4 5 5 5 6 5 5 6 8 10 10 9 8 4 4 5 6 8 Clouds B2 B1 SC SC SC SC FW SC B1 B1 SC SC SC SC FW FW FW SC FW CL PoP 12hr 40 20 20 10 5 QPF 12hr 0.16 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S Tstms S S S Heat index 94102103 96 87 85 86 87 83 Max heat 102 103 90 86 87 Date 07/22 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 71 85 71 89 75 93 78 93 Temp 82 78 72 76 83 79 73 76 86 83 77 79 90 85 80 82 91 85 Dewpt 64 64 66 68 65 65 66 68 69 71 70 72 73 75 74 75 76 76 PWind dir NE E SE S S S S SW SW Wind char LT LT LT LT GN GN LT LT LT Avg clouds CL FW CL FW FW SC FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 5 0 0 0 0 5 10 20 20 Rain shwrs S S Tstms S S $$ WVZ502-200800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1038 PM EDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 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 67 91 67 86 59 Temp 72 69 69 71 81 87 86 78 73 70 67 68 77 81 82 75 67 64 60 62 Dewpt 71 69 68 70 73 73 72 71 71 69 67 66 68 67 65 66 63 60 58 59 RH 97100 97 97 77 63 63 79 93 97100 93 74 63 56 74 87 87 93 90 Wind dir S S SE SE W W W W W NW NW N N N N N N N N NE Wind spd 2 2 2 3 5 8 8 4 2 2 2 2 2 4 4 3 2 1 1 2 Clouds SC B1 B1 B1 SC B1 B2 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC FW FW PoP 12hr 30 60 40 30 5 QPF 12hr 0.09 0.03 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C L C S C C C C Tstms S C C C S S Obvis PF PF PF Heat index 86 94 92 83 84 Max heat 94 97 83 84 Date 07/22 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 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 86 61 89 64 94 68 95 70 94 Temp 82 74 64 65 86 77 68 69 91 81 71 72 92 82 72 73 91 80 Dewpt 64 66 62 62 67 69 65 66 70 72 69 70 69 73 71 71 72 72 PWind dir E SE SE S S SW W W W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC SC SC FW FW FW FW FW FW SC B1 B1 B1 SC B1 PoP 12hr 5 0 10 0 10 10 30 30 50 Rain shwrs C C S S C Tstms C S C $$ MDZ014-200800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1038 PM EDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 90 74 85 68 Temp 77 76 75 77 83 87 89 85 80 78 76 76 79 81 83 80 76 72 70 71 Dewpt 76 75 75 74 75 74 74 74 74 71 69 67 65 64 63 63 64 61 60 59 RH 97 97100 90 77 65 61 70 82 79 79 74 62 56 51 56 66 68 71 66 Wind dir S SW W W W W W W W NW N N N N N N NE NE NE NE Wind spd 2 2 2 3 5 9 9 5 5 5 8 8 8 8 6 5 5 5 6 8 Clouds B1 B1 SC B1 SC SC SC SC B1 SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 20 20 20 5 5 QPF 12hr 0.08 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S S Heat index 90 95 98 93 84 83 84 81 Max heat 95 99 90 83 84 Date 07/22 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 69 83 71 86 75 91 77 90 Temp 78 77 72 72 80 79 74 74 84 82 77 78 89 85 80 80 88 85 Dewpt 60 62 65 65 64 65 67 68 70 71 71 72 72 75 74 74 74 74 PWind dir NE SE SE S S SW SW SW S Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC SC B1 PoP 12hr 0 0 0 5 5 10 20 20 30 Rain shwrs S S C Tstms S S C $$