Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
375 FOUS51 KLWX 102338 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 738 PM EDT Wed Sep 10 2025 VAZ054-110800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 738 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat 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 63 81 62 82 61 Temp 69 67 65 64 65 72 77 79 72 69 66 64 65 75 80 79 72 68 65 63 65 Dewpt 62 62 61 60 60 60 57 55 56 56 56 55 55 56 53 52 55 57 59 59 58 RH 78 84 87 87 84 66 50 44 57 63 70 73 70 52 39 39 55 68 81 87 78 Wind dir N N N N N N N N NE N N N N NE NE E E SE S S S Wind spd 5 5 5 4 5 5 5 6 5 5 4 5 6 6 8 9 6 5 3 2 3 Clouds OV OV B2 B2 B2 B2 B1 SC SC FW FW FW FW FW SC SC FW FW FW SC FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle O O O O Heat index 80 Max heat 80 80 Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 63 84 64 81 62 80 62 81 Temp 80 73 66 66 81 75 68 66 79 72 65 64 77 72 65 65 79 72 Dewpt 55 56 59 58 56 59 60 59 55 56 58 57 55 56 58 58 56 57 PWind dir S S SW NW N NE NE NE NE Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW SC SC SC SC SC SC FW FW FW FW FW SC SC FW SC SC SC PoP 12hr 0 0 5 10 10 5 5 5 5 $$ MDZ013-110800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 738 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 80 60 81 60 Temp 67 64 63 62 63 72 78 78 71 66 62 61 62 74 78 78 71 66 63 61 62 Dewpt 62 62 61 60 61 62 59 57 58 57 56 55 57 59 57 57 59 60 61 60 61 RH 84 93 93 93 93 71 52 48 63 73 81 81 84 59 48 48 66 81 93 97 97 Wind dir N N N N N N N NE NE N N N N NE E E E SE SE S S Wind spd 3 2 2 2 3 4 4 5 2 2 2 3 3 4 5 5 3 2 2 2 2 Clouds OV B2 B2 B2 B2 SC SC SC FW FW FW FW FW FW FW FW FW FW SC SC FW PoP 12hr 10 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle O O O Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 62 83 62 79 60 80 60 81 Temp 78 71 65 64 80 73 65 63 77 71 62 61 77 71 63 62 78 71 Dewpt 60 60 60 60 60 63 62 60 58 60 60 60 60 60 59 60 60 60 PWind dir S S SW NW N NE NE N NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 5 10 10 10 5 5 5 $$ MDZ011-110800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 738 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat 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 65 83 65 Temp 68 70 67 66 67 75 80 81 74 72 67 66 66 76 80 81 74 72 68 66 67 Dewpt 61 61 59 59 58 57 55 53 52 54 54 53 54 54 54 53 55 57 59 59 59 RH 78 73 75 78 73 54 42 38 46 53 63 63 65 46 41 38 51 59 73 78 75 Wind dir N N N NW N N N N N N N N N NE E E E SE SE S S Wind spd 4 3 3 4 3 4 5 5 3 2 2 3 3 4 5 5 2 2 1 1 2 Clouds OV B2 B2 B2 B2 SC B1 SC FW FW FW FW FW FW SC SC FW FW SC SC SC PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle O O O Heat index 80 80 Max heat 80 80 80 81 Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 85 64 82 63 81 64 82 Temp 80 73 69 68 81 75 69 67 79 72 67 65 78 72 67 66 79 73 Dewpt 56 56 58 58 57 58 60 57 56 56 57 57 56 56 58 58 56 56 PWind dir S S SW NE N NE NE N NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC FW FW FW FW FW FW SC FW FW FW SC PoP 12hr 0 0 10 10 10 10 5 5 5 $$ WVZ052-110800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 738 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 81 53 82 53 Temp 69 62 58 55 57 72 78 79 69 63 59 55 58 74 79 80 71 63 59 56 57 Dewpt 58 58 56 54 55 55 52 50 51 52 51 50 52 54 52 50 52 54 54 53 54 RH 68 87 93 96 93 55 40 36 53 67 75 83 80 50 39 35 51 72 83 90 90 Wind dir N W NW NW NW N N N NE N NW N NW N N NE SE S S SW SW Wind spd 2 1 1 1 2 3 5 5 3 2 2 2 3 4 5 4 2 1 1 1 1 Clouds B2 B1 SC SC B1 SC SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Heat index 80 Max heat 80 Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 57 83 57 80 54 79 54 81 Temp 80 71 62 61 81 72 62 60 77 69 59 58 77 69 59 58 79 70 Dewpt 52 52 54 55 55 57 57 56 53 53 54 54 55 54 55 55 55 55 PWind dir S S W NW N N NE W E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC SC SC SC FW FW FW FW FW FW FW FW SC FW FW PoP 12hr 0 5 10 10 5 5 5 5 5 $$ VAZ506-110800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 738 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat 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 81 57 82 57 Temp 69 63 62 61 61 71 78 78 71 64 60 58 59 73 80 78 71 64 60 58 59 Dewpt 61 62 62 61 61 63 61 59 58 57 56 54 55 59 57 56 57 58 58 57 58 RH 76 97100100100 76 56 52 63 78 87 86 87 62 45 47 61 81 93 96 96 Wind dir N N N NW N N N N NE N N N N N NE NE E SE S S SW Wind spd 4 2 2 2 3 4 5 5 4 2 2 3 4 4 5 5 4 2 2 1 2 Clouds OV OV B2 B2 B2 B1 SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle O O Obvis PF PF Heat index 80 Max heat 80 80 Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 60 85 61 81 58 80 58 81 Temp 80 72 63 62 82 75 65 62 79 71 62 60 77 71 61 60 79 72 Dewpt 58 59 60 60 60 61 61 60 58 58 59 59 60 60 58 60 61 60 PWind dir S S SW NW N N NE N NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC SC SC SC FW FW FW FW FW SC SC FW FW SC FW PoP 12hr 0 0 10 10 5 5 5 5 5 $$ VAZ037-110800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 738 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 79 55 80 55 Temp 69 61 59 58 59 71 77 77 69 63 60 58 59 73 78 77 68 62 59 56 58 Dewpt 59 60 59 58 59 59 57 56 58 57 55 54 55 55 53 52 55 55 54 53 55 RH 70 97100100100 66 50 48 68 81 84 86 87 53 42 42 63 78 83 90 90 Wind dir NE N N NW NW NE NE NE E NW NW NW NW NE NE NE E N NW W W Wind spd 4 2 2 2 2 2 4 4 2 2 2 2 3 4 5 5 2 1 1 1 1 Clouds B1 B1 B1 B1 SC SC B1 SC FW FW FW FW CL FW SC FW FW FW FW FW CL PoP 12hr 5 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 57 83 59 81 56 79 56 79 Temp 78 69 60 60 81 72 64 62 79 70 60 59 77 68 60 59 78 69 Dewpt 55 56 56 56 57 59 58 58 56 57 55 55 56 57 56 56 56 58 PWind dir S SW SW NW NE N NE N E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC FW FW FW FW FW FW FW SC FW SC PoP 12hr 0 0 5 5 5 5 5 5 5 $$ MDZ003-110800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 738 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat 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 55 82 55 83 55 Temp 71 63 59 57 58 73 78 79 70 63 59 56 59 74 79 79 72 64 60 56 58 Dewpt 58 59 58 56 57 58 55 53 54 54 52 51 54 57 55 53 55 55 55 55 56 RH 63 87 96 96 96 59 45 41 57 72 78 83 83 55 44 41 55 73 84 96 93 Wind dir NE NW N N N N N N NE N N N N NE NE NE E SE SE S S Wind spd 3 2 2 2 2 3 5 5 5 3 3 4 4 4 5 4 4 2 2 2 2 Clouds B2 B1 B1 SC SC FW SC FW FW FW FW FW FW FW SC SC SC FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle O Obvis PF Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 59 85 58 80 56 80 56 83 Temp 80 72 63 62 80 73 63 60 77 70 59 59 77 70 60 59 79 72 Dewpt 56 55 56 57 58 59 58 57 56 56 57 57 57 57 56 57 58 57 PWind dir SW S W N N N NE NE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 5 10 10 5 5 5 5 5 $$ MDZ017-110800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 738 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 78 63 79 62 Temp 67 66 66 65 68 72 75 76 70 67 65 64 67 73 76 76 70 67 65 63 65 Dewpt 63 64 63 63 64 63 63 61 62 62 62 61 62 60 59 58 60 61 62 61 63 RH 87 93 90 93 87 73 66 60 76 84 90 90 84 64 56 54 71 81 90 93 93 Wind dir N N N N N N N N NW N N N N N N NE E E E NE N Wind spd 9 6 5 5 6 6 8 5 3 3 3 4 5 6 6 5 5 5 4 4 4 Clouds OV B2 B2 B2 B2 B2 B1 B1 FW FW FW FW FW FW FW FW FW CL CL FW FW PoP 12hr 20 5 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle O O O O Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 62 81 64 78 63 77 62 78 Temp 76 70 65 66 78 72 68 67 76 70 65 66 75 70 65 66 76 70 Dewpt 60 61 61 61 61 63 62 62 61 61 62 62 61 61 61 63 61 62 PWind dir E S S SW N NE NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 5 10 5 5 5 5 5 $$ WVZ502-110800- Petersburg WV 38.99N 79.15W Elev. 963 ft 738 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat 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 50 82 51 82 52 Temp 67 58 54 51 51 72 79 79 68 60 55 52 53 72 79 80 69 60 55 53 54 Dewpt 54 54 53 51 50 55 52 53 54 53 51 48 49 54 53 52 54 54 52 50 51 RH 63 86 96100 96 55 39 41 61 78 86 86 86 53 41 38 59 81 90 89 90 Wind dir NE W SW S SW N NE N N W W W W NE NE NE E SW SW SW SW Wind spd 2 2 1 2 2 2 3 4 3 2 2 2 2 2 3 4 2 2 2 2 2 Clouds SC SC FW SC SC FW SC SC SC FW FW FW FW FW SC FW FW FW FW FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF PF Heat index 80 Max heat 80 80 Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 55 86 56 82 52 82 52 84 Temp 81 70 58 57 83 72 60 57 79 69 56 54 79 69 57 54 81 70 Dewpt 54 56 52 52 58 60 58 56 56 56 53 53 56 57 55 54 56 57 PWind dir NW SW W W N W NE SW E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 5 10 10 5 5 5 5 5 $$ MDZ014-110800- Annapolis MD 38.99N 76.49W Elev. 7 ft 738 PM EDT Wed Sep 10 2025 Date 09/10/25 Thu 09/11/25 Fri 09/12/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 77 62 78 62 Temp 66 67 66 65 66 72 75 76 72 68 66 64 66 72 76 76 72 68 65 63 65 Dewpt 64 64 63 61 61 61 59 57 58 60 59 58 59 59 58 57 60 62 62 61 61 RH 93 90 90 87 84 68 58 52 61 76 78 81 78 64 54 52 66 81 90 93 87 Wind dir N N N N N N NE NE NE N N N N NE NE E E SE SE S S Wind spd 5 4 2 3 5 5 6 5 2 2 2 3 5 6 6 5 4 4 2 2 2 Clouds OV B2 B2 B2 B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 20 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle O O O Date 09/13 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 62 79 63 77 62 76 62 76 Temp 75 71 67 66 76 72 68 67 74 71 65 65 74 71 65 65 74 71 Dewpt 60 60 61 61 61 63 63 61 59 59 61 60 59 60 61 60 60 60 PWind dir S S S W N NE NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC SC SC SC FW FW FW FW FW SC FW FW FW FW FW PoP 12hr 0 0 5 20 10 10 5 5 5 Rain shwrs S $$