Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
142 FOUS51 KLWX 090239 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1038 PM EDT Fri Aug 8 2025 VAZ054-090800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1038 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon 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 65 83 66 86 67 Temp 72 68 66 68 76 81 82 76 72 68 67 69 79 83 84 79 73 70 68 71 Dewpt 62 62 62 61 58 54 54 57 59 60 62 63 62 59 58 59 61 62 63 64 RH 71 81 87 78 54 39 38 52 64 76 84 81 56 44 41 50 66 76 84 79 Wind dir E NE N NE NE NE E SE SE SE NE NE E SE SE SE SE S SW SW Wind spd 6 5 5 5 6 8 8 5 4 2 2 2 3 5 8 8 5 4 2 2 Clouds CL CL FW CL FW FW FW FW CL FW FW FW FW 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 81 83 84 Max heat 81 81 83 84 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 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 71 90 74 91 75 90 73 88 Temp 85 80 73 74 87 83 77 78 89 83 77 78 87 81 77 77 86 82 Dewpt 62 63 66 68 68 69 72 73 70 71 72 72 70 70 70 70 69 69 PWind dir S S S S S SW W NW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC SC SC B1 B1 SC SC B1 SC SC SC SC PoP 12hr 5 0 10 10 40 20 30 20 30 Rain shwrs S C S C S C Tstms S S S S C $$ MDZ013-090800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1038 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 83 64 86 64 Temp 70 66 64 66 76 81 81 75 69 66 64 67 79 82 83 77 70 67 64 68 Dewpt 63 63 61 61 59 55 57 59 61 63 62 65 64 62 60 61 62 63 63 65 RH 78 90 90 84 56 41 44 58 76 90 93 93 60 51 46 58 76 87 97 90 Wind dir E NE NE NE NE E E SE SE SE NE N E SE SE SE S SW SW W Wind spd 3 2 2 3 5 5 5 2 2 2 1 1 2 4 5 3 2 2 1 1 Clouds CL CL CL CL FW FW CL FW CL FW FW FW FW FW CL CL FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 81 83 83 Max heat 81 81 83 83 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 68 90 72 91 73 91 72 90 Temp 85 79 70 71 86 81 74 75 89 82 75 76 88 81 75 75 87 81 Dewpt 64 64 66 68 69 70 70 73 73 73 73 73 73 73 71 71 72 71 PWind dir S S S S S SW SW NW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC SC B1 SC SC SC B1 SC SC SC SC PoP 12hr 5 0 10 10 40 20 30 20 20 Rain shwrs S C S C S S Tstms C S S S S $$ MDZ011-090800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1038 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon 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 68 88 70 90 71 Temp 77 71 69 72 80 85 85 79 77 71 70 73 84 87 87 81 78 73 72 75 Dewpt 61 61 60 59 56 53 53 56 59 61 61 62 61 58 57 58 60 62 62 62 RH 58 71 73 64 44 33 33 45 54 71 73 68 46 38 36 46 54 68 71 64 Wind dir E NE N NE NE E E SE SE SE NE NE E SE SE SE S S SW W Wind spd 3 2 2 3 4 5 5 2 2 1 1 1 2 4 5 2 2 1 1 1 Clouds CL CL CL FW FW FW CL FW CL FW FW FW FW FW FW FW CL CL 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 80 84 81 Max heat 83 84 86 87 81 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 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 91 74 94 78 95 78 95 77 93 Temp 89 82 76 77 91 84 80 81 93 84 80 81 92 84 79 80 91 83 Dewpt 60 60 63 65 66 66 70 71 70 71 71 70 70 69 69 68 68 69 PWind dir S S S S S SW SW NW N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC FW SC SC B1 SC SC SC B1 SC SC SC SC PoP 12hr 5 0 10 10 40 20 30 20 30 Rain shwrs S C S C S C Tstms C S S S C $$ WVZ052-090800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1038 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 84 56 86 60 Temp 67 63 60 63 75 81 82 74 66 61 58 62 76 83 84 77 68 64 61 65 Dewpt 59 59 59 60 61 57 55 57 56 55 55 57 60 58 57 60 60 59 58 59 RH 75 87 96 90 62 44 40 55 70 81 90 84 58 43 40 56 76 84 90 81 Wind dir SE N N N E E E E SE N N N SE SE SE SE S S S N Wind spd 2 0 0 0 2 4 4 2 1 0 0 0 1 4 5 3 2 1 1 0 Clouds FW FW FW SC FW CL CL CL CL FW FW FW CL FW CL CL CL FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 81 83 Max heat 81 82 83 84 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 65 90 69 91 69 88 67 88 Temp 86 79 68 70 88 82 72 73 88 81 72 72 85 79 70 71 86 80 Dewpt 62 63 63 65 67 68 69 69 69 70 69 69 67 68 67 67 66 67 PWind dir SE S S S SW SW NW NW N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC SC SC B1 B1 SC SC B1 SC SC SC B1 PoP 12hr 5 0 20 20 40 20 30 10 30 Rain shwrs S S S S C S C C Tstms S C S C C $$ VAZ506-090800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1038 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon 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 61 84 61 87 63 Temp 69 65 62 65 76 81 82 75 67 63 62 64 79 84 84 78 70 66 64 67 Dewpt 63 64 62 64 61 57 57 58 59 60 60 63 66 64 62 62 61 61 62 64 RH 81 97100 97 60 44 43 55 75 90 93 97 64 51 48 58 73 84 93 90 Wind dir E NE N N NE NE E SE SE SE SE NE SE SE SE SE SE S S S Wind spd 3 2 2 2 4 4 5 4 2 1 1 1 2 3 5 5 3 2 2 1 Clouds FW CL FW FW FW FW FW FW FW FW FW FW FW 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 81 82 85 85 Max heat 81 82 85 86 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 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 89 67 91 71 93 72 92 71 91 Temp 86 80 70 70 88 82 74 74 90 82 74 75 88 81 74 74 88 82 Dewpt 67 66 65 69 72 71 72 73 74 73 73 73 73 73 71 71 72 72 PWind dir S S S S SW SW NW NW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC SC SC B1 B1 SC SC B1 B1 SC SC B1 PoP 12hr 5 0 10 10 40 20 30 20 30 Rain shwrs S C S C S C Tstms C S S S C $$ VAZ037-090800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1038 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 82 59 84 63 Temp 67 63 61 65 75 80 79 73 66 63 61 64 76 81 81 75 69 66 64 67 Dewpt 61 61 61 62 61 58 57 59 59 59 59 60 63 62 62 63 63 63 63 64 RH 81 93100 90 62 47 47 62 78 87 93 87 64 53 53 66 81 90 97 90 Wind dir NE N N NE NE NE E E N NW N N SE SE SE SE SE N N N Wind spd 2 2 2 2 4 5 5 3 1 1 1 0 2 4 4 3 1 0 0 0 Clouds FW FW FW FW CL CL FW CL CL FW SC FW FW FW FW FW FW FW SC FW PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Heat index 81 82 82 Max heat 81 81 82 83 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 66 87 70 89 70 87 68 87 Temp 83 77 69 70 85 78 72 73 86 79 72 72 86 78 72 72 85 78 Dewpt 65 66 68 69 69 69 70 70 70 71 70 70 69 70 69 68 68 69 PWind dir S S S SW SW W W NW NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC SC SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 20 5 20 10 40 20 30 20 30 Rain shwrs S S C S C S C Tstms S S C C C $$ MDZ003-090800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1038 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon 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 59 85 59 88 61 Temp 67 63 60 64 76 82 82 75 67 63 60 63 77 84 84 78 69 65 62 65 Dewpt 60 60 60 61 63 60 57 59 56 55 55 58 63 62 60 62 60 58 57 61 RH 78 90100 90 64 47 43 58 68 75 84 84 62 48 44 58 73 78 84 87 Wind dir E SE NE NE NE E E SE SE SE E SE S S SE SE SE S S SE Wind spd 2 2 2 1 2 4 4 4 2 1 1 1 2 4 4 4 2 2 2 1 Clouds FW FW FW FW FW CL FW CL FW FW CL FW FW FW CL CL 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 Obvis PF Heat index 82 82 85 84 Max heat 82 82 85 85 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 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 89 65 92 70 92 70 90 68 91 Temp 87 80 69 70 89 82 73 74 89 82 73 73 86 80 72 72 88 81 Dewpt 65 64 63 65 69 68 69 70 71 71 70 70 70 69 68 68 69 68 PWind dir S S S S SW SW NW NW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC SC SC B1 B1 SC SC B1 SC SC SC SC PoP 12hr 0 0 10 20 40 20 30 20 30 Rain shwrs S S S C S C S C Tstms C S C S C $$ MDZ017-090800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1038 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 82 67 83 67 Temp 70 68 67 70 76 80 80 75 72 69 67 71 77 80 81 76 72 69 68 72 Dewpt 64 63 62 64 63 63 64 65 65 66 65 67 65 64 63 65 65 66 66 68 RH 81 84 84 81 64 56 58 71 79 90 93 87 67 58 54 69 79 90 93 87 Wind dir E NE NE NE NE N N NE E E NE NE NE E SE SE S S SW SW Wind spd 6 5 8 9 9 8 6 4 4 3 3 4 4 5 5 4 4 3 2 2 Clouds FW CL FW FW FW FW FW FW FW CL FW FW FW FW FW FW CL CL FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 82 82 82 Max heat 81 82 82 83 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 69 87 73 89 74 89 73 88 Temp 81 77 71 75 84 79 74 77 87 82 76 78 86 81 75 77 86 81 Dewpt 67 66 67 69 71 71 71 73 74 74 73 74 74 74 72 73 74 73 PWind dir SE S S S S S S SW NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW SC B1 SC SC SC SC SC SC SC SC PoP 12hr 5 5 10 10 30 20 20 20 20 Rain shwrs S C S S S S S Tstms S S $$ WVZ502-090800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1038 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon 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 57 86 57 88 61 Temp 64 60 58 60 74 82 82 73 64 60 58 61 77 85 84 76 68 63 61 65 Dewpt 59 59 57 59 63 62 61 60 59 58 56 57 64 63 62 63 62 61 60 62 RH 84 96 96 96 69 51 49 64 84 93 93 87 64 48 48 64 81 93 97 90 Wind dir NW S S SW E E E SE S S SW S SE SE SE SE S S SW SW Wind spd 2 2 1 1 2 3 4 3 2 2 2 1 2 3 5 3 2 2 2 2 Clouds FW FW FW SC FW FW FW FW CL CL FW SC FW FW CL FW FW FW FW FW PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PFPF+ Heat index 83 83 86 85 Max heat 83 83 86 87 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 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 90 64 91 67 91 66 89 65 91 Temp 87 77 67 67 89 78 69 69 88 78 69 68 86 77 67 67 87 77 Dewpt 65 66 64 65 69 70 67 68 72 71 68 68 70 69 66 66 68 68 PWind dir SE SW S SW W W W W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC B1 SC SC B1 B2 B1 B1 B1 B1 SC SC SC B1 PoP 12hr 10 0 30 20 60 20 40 20 40 Rain shwrs C S S C L S S C S S C Tstms S C S C S C $$ MDZ014-090800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1038 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 80 66 82 67 Temp 71 68 67 69 74 77 79 76 72 69 67 70 76 79 81 77 73 70 69 70 Dewpt 64 63 62 62 61 58 59 62 64 65 65 65 64 62 61 62 65 65 65 66 RH 79 84 84 78 64 52 50 62 76 87 93 84 66 56 51 60 76 84 87 87 Wind dir E E NE NE NE NE NE E SE SE E NE E SE SE SE S S SW SW Wind spd 5 3 5 5 8 8 6 3 2 2 1 2 3 5 4 2 2 2 1 1 Clouds CL CL CL FW FW FW CL CL FW CL FW FW FW FW CL CL FW CL FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 Max heat 82 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 70 85 73 86 74 87 73 85 Temp 81 78 72 74 83 80 75 76 85 82 77 78 84 81 76 76 83 81 Dewpt 65 65 68 69 70 70 72 73 73 73 73 73 72 72 72 71 71 71 PWind dir S S S S S S SW NW NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC SC B1 SC SC SC B1 SC SC SC SC PoP 12hr 5 0 10 10 40 20 30 20 20 Rain shwrs S C S C S S Tstms S S S S $$