Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
575 FOUS51 KLWX 041741 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 140 PM EDT Fri Jul 4 2025 VAZ054-042000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 140 PM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 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 69 88 70 91 Temp 86 85 81 74 71 70 73 82 87 86 82 76 73 70 74 83 88 88 84 Dewpt 54 55 57 61 62 62 64 63 62 63 62 63 64 64 66 67 67 68 70 RH 34 36 44 64 73 76 73 53 43 46 51 64 73 81 76 59 50 52 63 Wind dir N N NE SE E E SE S S S SE S S S S S S S S Wind spd 8 9 5 3 2 2 2 5 6 9 10 8 5 4 4 6 9 10 10 Clouds FW FW CL CL FW FW CL CL FW FW FW SC FW FW FW FW FW SC 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 81 83 87 87 83 86 91 92 88 Max heat 84 85 87 88 81 91 93 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 75 90 76 92 74 91 74 88 Temp 77 78 89 84 78 79 90 83 77 78 88 82 77 77 85 79 Dewpt 73 73 73 73 73 73 70 69 70 70 70 70 72 72 72 72 PWind dir S S SW W NW NW S S Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 SC SC SC B1 SC B1 B1 B2 B1 B2 B2 B2 PoP 12hr 10 30 10 30 20 30 30 60 Rain shwrs S C C S C C S C L Tstms C C S C C C $$ MDZ013-042000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 140 PM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 67 89 68 91 Temp 86 85 81 73 70 68 73 83 87 86 81 75 72 69 73 83 89 88 84 Dewpt 56 56 60 62 62 62 64 63 63 63 63 64 63 63 66 68 67 68 72 RH 36 37 49 68 76 81 73 51 45 46 54 69 73 81 79 61 48 52 67 Wind dir N NW E NE NW N E S SE SE S S S SW SW S S S S Wind spd 4 4 2 1 1 1 1 3 5 6 5 4 3 2 2 5 8 9 6 Clouds FW FW CL CL CL FW FW FW FW FW FW SC SC FW CL FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 84 88 87 82 86 92 92 90 Max heat 85 86 88 89 92 92 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 91 74 92 73 91 73 88 Temp 75 77 89 83 77 78 90 83 75 76 88 81 75 76 86 78 Dewpt 74 74 75 75 74 74 73 74 73 72 72 73 73 73 74 74 PWind dir S S SW NW NW E S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 SC SC SC B1 SC SC B1 B2 B1 B2 B2 B2 PoP 12hr 10 40 20 30 20 30 30 60 Rain shwrs S C S C S S C C S C L Tstms C S C S C C C $$ MDZ011-042000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 140 PM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 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 73 93 74 95 Temp 87 88 84 79 74 73 77 87 90 90 84 81 75 74 78 88 92 92 86 Dewpt 55 54 56 59 59 60 61 60 61 60 61 63 63 63 64 65 65 66 69 RH 34 31 38 50 59 64 58 40 38 37 46 54 66 69 62 47 41 43 57 Wind dir NW NW NE NE N N E SE SE SE S S S S S S S S S Wind spd 5 5 2 1 1 1 1 3 5 6 5 3 2 2 2 4 8 9 6 Clouds FW FW CL CL CL FW FW FW FW FW FW SC SC 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 90 90 84 82 90 94 95 90 Max heat 85 87 83 90 91 85 94 95 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 78 95 79 96 78 94 78 92 Temp 79 82 92 85 81 83 93 85 80 81 91 83 79 80 89 80 Dewpt 72 72 72 72 72 71 70 69 70 69 69 69 71 70 72 71 PWind dir S S SW W NW NE S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 SC SC SC B1 B1 SC B1 B2 B1 B2 B2 B2 PoP 12hr 10 40 20 30 20 30 30 60 Rain shwrs S C S C S S C C S C L Tstms C S C S C C C $$ WVZ052-042000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 140 PM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 61 89 65 91 Temp 84 85 78 69 65 62 68 81 86 86 81 73 69 66 71 83 88 88 82 Dewpt 55 56 61 59 59 59 61 63 62 62 64 63 62 62 63 65 65 65 66 RH 37 37 56 70 81 90 78 54 45 45 56 71 78 87 76 55 47 47 58 Wind dir N NE E N N N N S S SE SE S S S S S S S S Wind spd 4 4 2 0 0 0 0 2 5 5 5 5 4 3 2 5 8 9 6 Clouds FW FW CL CL FW SC FW FW FW FW FW SC SC FW CL CL FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 86 86 83 85 90 90 84 Max heat 83 84 86 87 90 91 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 91 69 91 68 89 69 87 Temp 73 75 88 81 73 75 88 79 70 73 86 80 70 72 84 77 Dewpt 69 69 70 69 69 69 68 68 67 67 67 68 68 68 70 69 PWind dir S S W NW NW N S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 SC SC SC B1 SC SC B1 B1 B1 B2 B2 B2 PoP 12hr 5 30 10 30 10 30 30 60 Rain shwrs C C C C S C L Tstms C C C S C $$ VAZ506-042000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 140 PM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 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 86 64 90 66 91 Temp 85 86 80 71 67 65 70 82 87 87 82 74 70 67 71 83 89 89 84 Dewpt 55 57 62 61 62 62 64 65 66 66 66 64 63 63 66 69 69 70 71 RH 36 37 54 71 84 90 81 56 50 50 58 71 78 87 84 63 52 54 65 Wind dir N N NE E SE E S S S S S S S S S S S S S Wind spd 5 4 2 2 1 1 1 3 5 5 5 5 4 3 3 5 6 8 6 Clouds FW FW CL CL CL FW FW FW FW FW FW SC 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 81 84 89 89 84 87 94 94 89 Max heat 84 85 89 90 94 96 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 72 91 72 92 71 91 71 88 Temp 75 76 89 82 75 76 90 80 73 75 89 81 73 75 86 77 Dewpt 74 74 76 74 73 73 74 73 71 72 73 73 72 73 75 73 PWind dir S S W NW NW NW S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 SC SC SC B1 SC SC B1 B2 B1 B2 B2 B2 PoP 12hr 10 30 10 30 20 40 30 60 Rain shwrs S C C S C C S C L Tstms C C S C C C $$ VAZ037-042000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 140 PM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 65 88 65 89 Temp 85 85 79 73 69 67 70 82 85 85 80 73 69 66 70 81 86 85 81 Dewpt 61 61 64 64 63 62 64 63 63 63 64 64 63 63 64 67 66 67 69 RH 45 45 60 73 81 84 81 53 48 48 58 73 81 90 81 63 51 55 67 Wind dir E E E NE N N N S SE SE SE SE S SW S S S SE SE Wind spd 3 3 3 1 0 0 0 2 4 5 4 2 1 1 1 3 5 5 5 Clouds FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW CL SC SC SC PoP 12hr 0 0 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S Heat index 85 85 83 86 86 82 83 88 88 84 Max heat 85 86 86 88 88 88 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 88 71 91 70 89 70 87 Temp 73 74 85 81 74 75 88 80 73 74 86 79 73 73 84 77 Dewpt 70 71 71 72 71 71 70 71 70 69 69 69 70 70 71 71 PWind dir S S W NW NW E S SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 SC SC FW B1 SC B1 B1 B2 B2 B1 B2 B2 PoP 12hr 20 30 10 40 20 40 30 60 Rain shwrs S C C S C C S S L Tstms C C S C S C $$ MDZ003-042000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 140 PM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 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 84 63 89 66 91 Temp 83 83 79 69 66 64 69 81 87 87 82 74 70 67 72 83 89 88 84 Dewpt 54 54 59 58 57 57 61 65 65 64 66 64 63 62 64 68 68 66 68 RH 37 37 50 68 73 78 76 58 48 46 58 71 78 84 76 61 50 48 59 Wind dir N N NE E SE NE S S S S SE S S S S S S S S Wind spd 4 4 2 2 1 1 1 3 5 5 4 4 4 3 3 5 6 8 5 Clouds FW FW FW FW FW FW FW CL FW FW SC SC SC FW FW CL 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 83 89 88 84 86 93 90 87 Max heat 82 83 89 88 93 92 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 71 91 71 91 70 89 70 87 Temp 73 75 88 82 73 75 88 81 72 74 86 82 73 74 84 77 Dewpt 70 71 73 72 71 70 72 70 68 69 71 70 69 70 73 71 PWind dir S SW W NW NW N S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 SC SC SC B1 B1 SC B1 B1 B1 B2 B2 B2 PoP 12hr 5 30 10 30 10 30 30 60 Rain shwrs C C C C S C L Tstms C S C S C $$ MDZ017-042000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 140 PM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 71 88 72 90 Temp 86 86 81 76 74 72 77 84 87 87 81 77 74 72 76 84 88 88 83 Dewpt 61 61 63 64 67 67 69 66 65 63 64 65 67 68 70 71 71 73 74 RH 43 43 54 66 79 84 76 55 48 45 56 67 79 87 82 65 57 61 74 Wind dir N N NE E S SW W SE SE SE S S S S S S SE SE S Wind spd 6 6 2 3 3 2 2 4 8 9 8 6 5 4 3 5 10 11 9 Clouds CL CL CL CL CL CL CL FW FW FW FW SC FW FW FW SC FW SC B1 PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 86 86 82 86 89 88 83 89 94 96 90 Max heat 86 88 89 88 94 96 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 90 77 91 75 91 75 90 Temp 78 81 88 83 78 80 89 84 76 79 89 84 77 79 87 80 Dewpt 75 76 76 76 75 76 75 75 73 73 74 74 74 75 75 75 PWind dir S S SW SW W NE S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 SC SC SC B1 SC B1 SC B1 B1 B2 B1 B2 PoP 12hr 20 40 20 30 20 30 30 50 Rain shwrs S C C S S C S C C C S C Tstms S C S S C S C C C $$ WVZ502-042000- Petersburg WV 38.99N 79.15W Elev. 963 ft 140 PM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 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 61 92 65 93 Temp 86 86 78 69 65 62 67 83 88 87 80 72 68 66 70 84 89 88 81 Dewpt 62 63 67 64 62 61 64 68 65 65 68 65 63 62 64 67 67 67 69 RH 45 46 69 84 90 97 90 61 47 48 67 79 84 87 81 57 48 50 67 Wind dir N N NE W SW S S S E SE SE S S S S S S S S Wind spd 3 3 2 1 1 1 1 1 2 3 2 2 2 2 2 2 3 4 3 Clouds SC FW FW FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 5 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Heat index 86 87 86 90 89 83 87 92 91 84 Max heat 86 89 90 91 92 92 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 67 91 67 91 66 89 66 87 Temp 70 71 86 80 69 71 86 78 68 70 85 77 68 70 83 75 Dewpt 67 69 70 72 68 69 71 72 68 69 71 71 68 68 72 71 PWind dir SW W W W W NW SW W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 SC FW SC B1 SC B1 B1 B1 B1 B2 B2 B2 PoP 12hr 10 30 10 40 10 40 30 60 Rain shwrs C C S C C S C L Tstms C C C S C $$ MDZ014-042000- Annapolis MD 38.99N 76.49W Elev. 7 ft 140 PM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 70 85 70 86 Temp 82 82 81 76 73 71 74 80 82 82 81 77 74 71 74 81 84 83 82 Dewpt 60 58 62 64 64 65 65 63 64 63 65 66 66 65 67 69 71 70 73 RH 47 44 53 66 73 81 74 56 55 53 58 69 76 81 79 67 65 65 74 Wind dir NE NE E E SE SW SE SE S S S S S SW SW S S S S Wind spd 6 5 2 1 1 1 1 4 8 9 8 6 5 3 3 5 10 11 10 Clouds FW FW CL CL FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 82 82 81 83 83 83 84 89 87 87 Max heat 82 83 83 85 89 89 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 87 76 88 74 87 74 86 Temp 77 79 84 82 78 79 86 83 77 77 84 81 76 77 83 80 Dewpt 74 74 76 75 74 73 74 73 73 71 72 72 73 73 74 73 PWind dir S S SW SW NW E S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC B1 B1 SC SC SC B1 SC SC B1 B1 B1 B2 B2 B2 PoP 12hr 10 40 20 30 20 30 30 60 Rain shwrs C C S S C S S C C S C L Tstms C S C S C C C $$