Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
230 FOUS51 KLWX 041139 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 739 AM EDT Fri Jul 4 2025 VAZ054-042000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 739 AM 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 69 89 Temp 73 81 86 85 82 76 72 70 73 84 88 86 83 76 72 70 73 82 87 87 83 Dewpt 60 57 57 57 58 60 61 61 63 62 62 63 62 64 64 63 64 66 66 68 68 RH 64 44 37 39 44 58 68 73 71 48 42 46 49 66 76 78 73 58 50 53 61 Wind dir N N N N NE E N NE E S S S SE S S S S S S S S Wind spd 5 6 8 9 5 3 2 2 2 4 6 8 10 8 6 5 5 8 9 10 10 Clouds CL CL FW FW FW CL CL FW FW FW FW FW FW FW FW FW FW 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 81 82 85 88 87 84 84 89 91 86 Max heat 85 86 81 88 88 82 89 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 74 89 75 91 73 90 74 87 Temp 76 76 87 83 78 78 89 82 76 76 87 82 76 76 86 80 Dewpt 72 72 72 72 72 72 71 71 70 70 70 70 71 71 71 71 PWind dir S S SW W NW W S S Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 SC SC SC B1 B1 SC B1 B1 B2 B2 B2 B2 PoP 12hr 10 30 10 50 30 40 30 60 Rain shwrs C C C S C C S C L Tstms C C S C S C $$ MDZ013-042000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 739 AM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 66 88 68 91 Temp 71 80 86 85 81 73 70 66 70 81 86 87 83 75 72 69 73 83 88 87 83 Dewpt 62 59 57 57 61 62 61 61 64 64 63 63 64 64 63 62 64 66 66 67 70 RH 73 49 37 39 51 68 73 84 81 56 46 45 53 69 73 78 73 57 48 52 65 Wind dir NW N N NW N N N N NE S S S S S S S S S S S S Wind spd 3 4 4 4 2 2 1 1 1 3 5 6 5 4 4 3 3 5 8 9 8 Clouds FW CL CL FW CL CL FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 82 83 87 88 84 85 90 90 87 Max heat 85 86 87 88 83 90 90 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 91 73 90 73 90 72 88 Temp 75 76 88 81 76 77 88 82 75 76 88 81 75 75 86 81 Dewpt 72 73 74 74 74 74 74 74 72 72 72 73 72 73 72 73 PWind dir S S SW W W SW S S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC B1 B1 SC SC SC B1 B1 SC B1 B1 B2 B2 B2 B2 PoP 12hr 10 30 20 50 30 40 30 60 Rain shwrs S C S S C C S C C S C L Tstms C S C S C C C $$ MDZ011-042000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 739 AM 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 90 72 92 74 94 Temp 75 84 87 88 83 78 75 73 74 85 90 91 86 81 77 75 75 87 91 91 87 Dewpt 59 56 55 54 56 58 58 58 60 60 60 60 60 63 62 62 63 64 64 66 67 RH 58 38 34 31 40 50 55 59 62 43 37 36 42 54 60 64 66 46 41 44 52 Wind dir N N NW NW N N N N NE SE S S S S S S S S S S S Wind spd 5 5 5 5 2 1 1 1 1 2 5 6 5 4 3 2 3 5 8 9 8 Clouds CL CL FW FW FW CL CL FW FW FW 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 85 90 91 86 82 88 93 94 90 Max heat 85 87 81 90 91 84 93 94 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 77 94 78 94 77 94 76 92 Temp 80 78 91 86 81 78 91 87 80 77 91 86 80 77 88 85 Dewpt 71 71 71 71 72 71 70 69 70 68 69 68 70 70 70 69 PWind dir S S SW W NW SW S S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC B1 B1 SC SC SC B1 B1 SC B1 B1 B2 B2 B2 B2 PoP 12hr 10 30 20 50 30 40 30 60 Rain shwrs S C S S C C S C C C C L Tstms C S C S C C C $$ WVZ052-042000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 739 AM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 61 88 64 90 Temp 68 78 84 85 80 69 64 62 66 80 86 87 81 72 68 66 71 82 88 87 81 Dewpt 59 56 57 57 61 59 58 58 60 62 62 63 64 63 62 61 63 65 66 65 67 RH 73 47 40 39 52 70 81 87 81 54 45 45 56 73 81 84 76 56 48 48 63 Wind dir NW N N NE E N N N N S S SE SE S S S S S S S S Wind spd 2 3 4 4 2 0 0 0 0 2 5 6 5 4 4 3 2 5 8 10 8 Clouds CL CL CL FW CL FW FW FW FW FW FW FW SC FW FW FW FW CL FW FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 81 86 88 83 84 90 89 83 Max heat 83 84 86 89 90 90 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 91 70 90 68 89 68 87 Temp 72 74 88 80 72 75 87 79 70 73 86 79 70 73 84 77 Dewpt 67 68 69 70 69 69 69 69 67 67 67 67 67 68 68 69 PWind dir S S SW NW W NW SW W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 SC B1 B1 B1 SC SC SC B2 B2 B2 B2 B2 PoP 12hr 5 30 10 50 20 40 30 60 Rain shwrs C S C S S C C S C L Tstms C C C S C $$ VAZ506-042000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 739 AM 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 88 65 91 Temp 69 80 85 86 81 72 69 65 69 82 86 87 82 74 70 66 71 82 88 88 83 Dewpt 61 60 60 61 63 62 61 61 64 66 66 65 67 65 63 62 64 68 69 69 70 RH 76 51 43 43 54 71 76 87 84 58 51 48 61 74 78 87 79 63 54 54 65 Wind dir N N N N NE E E N SE S S S S S S S S S S S S Wind spd 3 5 5 4 3 2 1 1 1 3 5 5 5 5 5 4 4 5 8 9 8 Clouds CL CL CL FW CL FW CL FW FW FW FW FW FW FW FW FW FW FW FW SC B1 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 85 86 82 84 88 89 85 85 92 92 87 Max heat 85 86 88 90 92 94 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 72 91 70 90 71 88 Temp 73 76 89 82 75 76 89 80 73 74 87 81 73 74 86 79 Dewpt 71 72 74 74 73 73 74 74 72 72 73 73 72 72 74 74 PWind dir S S SW NW NW NW S SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 SC SC SC B1 B1 SC B1 B1 B2 B2 B2 B2 PoP 12hr 10 30 10 50 30 40 30 60 Rain shwrs C C C S C C S C L Tstms C C S C S C $$ VAZ037-042000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 739 AM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 65 88 65 89 Temp 69 80 85 85 79 72 68 66 69 80 86 87 81 73 69 66 70 81 86 85 79 Dewpt 62 59 59 60 64 63 62 61 62 63 63 63 64 64 64 63 64 66 66 67 68 RH 78 49 41 43 60 73 81 84 78 56 46 45 56 73 84 90 81 60 51 55 69 Wind dir N NE E E E NE N N N S S SE SE SE S SW SW S S SE SE Wind spd 1 2 3 3 3 1 1 0 0 2 5 5 4 2 2 2 2 4 6 6 5 Clouds CL CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW B1 B1 PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 85 85 81 87 88 83 83 88 88 Max heat 85 86 87 89 88 89 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 89 70 90 69 88 70 87 Temp 73 73 85 79 73 74 87 79 72 73 86 79 72 72 84 77 Dewpt 69 70 71 71 70 70 70 70 69 69 69 70 70 70 70 70 PWind dir S S W NW NW SE SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B1 B1 SC SC B1 SC SC B1 B1 B2 B2 B2 B2 PoP 12hr 10 30 10 50 20 50 30 70 Rain shwrs C C S C C S S L Tstms C C S C S C $$ MDZ003-042000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 739 AM 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 62 88 65 91 Temp 67 78 83 83 80 70 65 63 67 79 86 87 83 73 70 66 71 82 88 87 83 Dewpt 59 58 58 58 61 59 58 57 60 64 65 64 66 64 63 62 64 68 68 67 67 RH 75 50 43 43 52 68 78 81 78 60 50 46 57 73 78 87 79 63 52 52 59 Wind dir N N N N E E N NE SE S S S SE S S S S S S S S Wind spd 2 4 4 4 2 2 1 1 1 3 5 5 4 4 4 4 3 5 8 9 6 Clouds CL CL CL FW FW FW CL FW FW FW FW FW SC SC FW FW FW CL FW FW SC 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 83 81 88 88 85 85 92 90 86 Max heat 83 84 88 89 82 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 69 92 71 90 69 89 69 87 Temp 73 74 89 81 73 75 88 81 72 73 86 80 72 73 85 79 Dewpt 68 70 72 71 71 71 72 71 69 69 69 68 69 70 71 70 PWind dir S S SW NW NW W NE NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B1 SC B1 B1 SC SC SC B2 B2 B2 B2 B2 PoP 12hr 5 30 20 40 20 40 30 60 Rain shwrs C S S C S S C C S C L Tstms C S S C S C $$ MDZ017-042000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 739 AM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 71 89 71 90 Temp 76 83 86 86 81 77 73 72 76 84 87 89 84 77 74 72 76 84 87 87 83 Dewpt 67 64 61 61 64 64 65 66 67 65 63 63 64 65 67 67 69 69 69 72 73 RH 74 53 43 43 56 64 76 81 74 53 45 42 51 67 79 84 79 61 55 61 72 Wind dir N N N N NE E SE E E SE SE SE S S S S S S SE SE S Wind spd 5 6 6 6 3 3 2 2 2 4 6 9 8 6 5 4 4 5 9 11 10 Clouds CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW SC FW FW FW SC B1 PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 84 86 86 83 86 88 90 85 88 91 94 89 Max heat 86 88 88 90 83 91 94 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 89 76 91 75 91 74 90 Temp 78 80 87 83 78 80 88 83 77 79 88 83 76 78 88 82 Dewpt 74 74 75 76 75 75 75 76 74 74 74 75 73 74 73 74 PWind dir S S SW S W SE SW S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 SC B1 SC B1 B1 SC SC B1 B1 B2 B2 B2 PoP 12hr 20 40 20 40 30 40 30 50 Rain shwrs S C C S S C C S S C C C C C Tstms S S C S S C C C S C $$ WVZ502-042000- Petersburg WV 38.99N 79.15W Elev. 963 ft 739 AM 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 61 91 63 92 Temp 64 80 86 86 78 70 65 62 66 82 87 89 80 70 67 65 69 84 88 86 80 Dewpt 62 62 62 63 66 63 61 60 63 67 65 66 69 66 63 61 64 67 66 67 70 RH 93 54 45 46 67 78 87 93 90 61 48 47 69 87 87 87 84 57 48 53 72 Wind dir S NE N N NE W SW SW E S SE SE S S S SW SW S S S S Wind spd 1 2 3 3 2 1 1 1 1 1 2 3 2 2 2 2 2 2 3 4 3 Clouds FW FW FW FW FW FW FW SC SC CL FW FW FW FW FW FW FW FW FW SC B1 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 81 86 87 85 89 92 83 87 90 89 83 Max heat 86 88 89 92 90 90 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 66 91 67 90 65 90 64 87 Temp 70 71 87 78 70 71 86 77 68 70 86 77 67 69 83 77 Dewpt 66 67 70 71 68 69 71 71 68 68 70 70 67 67 70 70 PWind dir SW SW SW NW W W W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW SC B1 B1 B1 B1 B1 SC SC B1 B1 B2 B2 B2 B2 PoP 12hr 5 30 10 50 20 40 30 70 Rain shwrs C S C S S C C S C L Tstms C C C S S C $$ MDZ014-042000- Annapolis MD 38.99N 76.49W Elev. 7 ft 739 AM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 70 85 70 86 Temp 74 79 82 82 82 75 73 71 74 80 83 84 81 76 74 72 74 80 84 83 81 Dewpt 63 59 59 59 61 63 63 63 65 63 64 63 64 66 65 65 66 67 69 69 71 RH 69 50 46 46 49 66 71 76 74 56 53 49 56 71 74 79 76 65 61 63 72 Wind dir N N NE NE NE NE E E E S S S S S S S S S S S S Wind spd 5 5 6 5 3 1 1 1 1 4 8 8 8 8 5 5 4 6 10 11 10 Clouds CL CL CL FW CL CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 82 83 81 84 85 83 82 88 87 85 Max heat 82 83 84 85 88 88 Date Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 87 75 87 74 87 74 85 Temp 77 78 84 81 78 78 85 82 77 77 84 81 76 77 83 81 Dewpt 73 73 75 74 74 73 74 73 72 71 72 72 72 72 72 72 PWind dir S S SW SW W SW SW S Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC B1 B1 SC SC SC B1 B1 SC B1 B1 B2 B2 B2 B2 PoP 12hr 10 30 20 50 30 40 30 60 Rain shwrs S C S S C C S S C C C C L Tstms S C S C C C S C $$