Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
990 FOUS51 KLWX 280237 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1037 PM EDT Wed Aug 27 2025 VAZ054-280800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1037 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 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 60 81 63 83 60 Temp 66 63 61 63 74 79 80 73 70 67 65 66 75 80 80 74 69 65 62 63 Dewpt 46 48 50 50 51 48 47 49 52 54 53 54 54 53 51 51 50 51 49 49 RH 48 58 67 62 44 34 31 43 53 63 65 65 48 39 36 44 51 60 62 60 Wind dir S W S W S SW SW S S SW W W W W NW NW N N N N Wind spd 4 2 3 3 8 11 11 10 9 8 8 5 8 10 10 8 6 8 8 8 Clouds FW SC B1 SC SC FW SC SC B1 SC SC FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 80 Max heat 80 80 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 79 60 79 61 81 62 80 62 80 Temp 75 70 64 64 76 71 65 64 79 72 64 65 77 72 66 65 77 73 Dewpt 48 49 52 52 49 51 54 54 50 52 57 57 54 55 59 59 56 56 PWind dir N NE NE E E E E NE E Wind char LT LT LT LT GN LT GN LT LT Avg clouds SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 0 5 5 10 5 10 $$ MDZ013-280800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1037 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 81 62 80 58 Temp 62 58 57 60 73 77 78 72 68 65 63 64 74 78 78 72 66 62 59 60 Dewpt 49 49 49 51 51 51 50 53 54 53 52 54 57 57 54 53 52 50 49 50 RH 62 72 75 72 46 40 37 51 61 65 67 70 55 48 43 51 61 65 69 69 Wind dir W W W W SW SW SW S S SW W W W W NW NW N N N N Wind spd 2 2 2 2 3 5 5 4 3 3 3 3 5 8 8 4 3 4 4 4 Clouds FW SC B1 SC B1 SC SC SC B1 B1 SC FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 58 78 60 79 60 79 61 80 Temp 74 69 62 62 75 70 63 63 77 71 63 63 77 71 64 63 77 72 Dewpt 50 51 52 53 51 53 55 56 53 55 57 58 56 57 58 59 58 59 PWind dir N NE NE NE E E E NE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 0 0 5 10 10 10 $$ MDZ011-280800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1037 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 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 83 66 84 62 Temp 70 65 63 65 77 81 82 75 74 69 68 69 78 81 82 74 71 66 64 65 Dewpt 47 48 48 49 48 48 47 49 52 51 52 53 53 54 51 50 50 49 48 48 RH 44 54 58 56 36 32 29 40 46 53 57 57 42 39 34 43 47 54 56 54 Wind dir NW NW W W S S SW S S SW W W W W NW NW N N N N Wind spd 2 1 1 1 5 8 9 6 5 4 4 3 5 8 8 4 3 4 4 4 Clouds SC SC B1 B1 SC SC SC B1 B1 B1 SC FW FW SC SC SC SC SC FW FW PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 80 80 81 81 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 79 62 82 64 83 64 82 65 82 Temp 77 71 66 65 78 72 67 66 81 74 68 67 79 73 68 68 80 74 Dewpt 47 48 50 50 48 49 53 53 51 52 57 56 54 54 58 58 56 56 PWind dir N N NE NE E E E NE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW FW SC SC FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 0 0 5 10 10 10 $$ WVZ052-280800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1037 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 79 56 78 50 Temp 56 51 47 51 70 76 76 68 63 60 58 61 71 75 75 68 61 56 53 55 Dewpt 47 47 46 48 49 46 45 47 48 49 50 52 54 52 49 49 48 47 46 47 RH 72 86 96 89 47 34 33 47 58 67 75 72 55 45 40 51 62 72 77 74 Wind dir W SW SW N SW SW SW W SW W SW W NW NW NW N N N NW NW Wind spd 1 1 1 0 2 5 5 3 2 2 2 2 8 9 10 5 4 3 3 2 Clouds SC SC B2 SC SC FW SC SC B1 B1 SC FW FW SC SC FW FW FW FW FW PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 51 76 52 79 54 78 55 80 Temp 73 66 55 56 73 67 57 57 76 69 58 58 76 69 59 59 76 70 Dewpt 48 48 48 48 50 51 50 51 51 52 52 52 53 53 54 55 56 56 PWind dir N N NE N NE E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC FW SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 0 5 5 10 5 10 $$ VAZ506-280800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1037 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 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 80 59 80 55 Temp 58 54 51 55 71 78 77 71 65 63 60 62 73 78 78 70 64 60 57 58 Dewpt 48 49 48 50 54 52 51 52 51 51 51 53 58 57 54 53 51 49 48 49 RH 69 83 89 83 55 40 40 51 60 65 72 72 59 48 43 55 63 67 72 72 Wind dir NW W W NW SW SW SW S SW SW W W NW NW NW N N N N N Wind spd 2 2 2 2 2 5 5 3 2 2 2 2 5 8 9 5 4 4 4 4 Clouds FW SC B1 SC B1 FW SC SC B2 SC SC FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 55 78 56 80 57 79 58 80 Temp 74 67 59 59 75 69 60 59 78 70 61 60 77 71 61 60 77 71 Dewpt 53 52 51 52 54 54 54 54 54 55 56 57 57 56 58 59 59 59 PWind dir N N NE N NE E E NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 5 5 5 10 5 10 $$ VAZ037-280800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1037 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 79 56 81 55 Temp 59 56 52 54 70 76 76 69 63 61 58 60 73 79 78 70 64 60 57 58 Dewpt 48 47 48 49 50 48 47 50 51 50 49 51 54 54 53 54 53 52 50 50 RH 67 72 86 83 49 37 36 51 65 67 72 72 51 42 42 57 67 75 77 75 Wind dir N NW NW NW SW SW SW S SW W W W W W NW N N N N N Wind spd 2 1 1 2 2 5 6 5 3 2 2 3 4 5 5 4 4 4 4 4 Clouds SC B1 B1 FW FW FW FW SC B1 SC SC CL FW SC SC SC FW SC SC SC PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 56 76 56 77 56 77 57 79 Temp 74 67 60 59 73 67 60 60 75 68 59 59 75 68 60 60 76 69 Dewpt 52 54 53 52 53 55 53 54 53 54 54 55 55 55 56 56 56 57 PWind dir NE NE NE N NE N NE N E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 SC SC SC B1 SC SC SC SC SC SC SC B1 SC SC PoP 12hr 5 5 10 5 10 10 10 10 10 $$ MDZ003-280800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1037 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 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 79 58 78 50 Temp 59 54 52 55 70 76 76 69 63 61 58 61 71 75 74 67 59 55 52 54 Dewpt 48 48 46 49 51 48 47 48 49 50 50 53 56 54 50 50 48 47 46 47 RH 67 80 80 80 51 37 36 47 60 67 75 75 59 48 43 54 67 74 80 77 Wind dir NW S S S SW SW SW SW SW SW SW W NW W NW NW N N N N Wind spd 2 2 1 2 4 5 4 4 3 2 3 3 6 10 10 5 5 4 3 3 Clouds SC SC B1 SC SC FW SC SC B2 B1 SC FW SC SC FW FW FW FW FW FW PoP 12hr 0 5 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 76 52 77 54 80 55 80 56 81 Temp 73 66 55 56 75 67 58 58 77 69 59 58 77 69 59 59 77 70 Dewpt 50 49 48 49 52 52 51 51 53 53 53 53 55 54 54 55 56 56 PWind dir N NE NE NE E E E E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC FW SC FW SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 0 5 5 10 10 10 $$ MDZ017-280800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1037 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 80 64 81 63 Temp 65 62 59 65 75 78 78 73 71 69 66 68 75 79 79 74 70 68 65 66 Dewpt 51 53 54 57 57 55 55 57 59 59 58 60 59 57 58 60 58 57 55 56 RH 60 72 83 75 54 45 45 57 66 70 75 76 58 47 49 62 66 68 70 70 Wind dir SW SW W SW S S S S S SW SW W W W NW NE N N N N Wind spd 3 3 4 3 8 11 12 11 11 10 9 5 5 5 5 4 5 6 8 9 Clouds CL FW SC SC SC FW SC SC SC SC FW CL CL FW FW SC SC SC B1 SC PoP 12hr 0 5 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 62 77 63 78 63 77 63 78 Temp 73 70 65 67 75 71 66 67 76 71 66 67 77 71 66 67 76 72 Dewpt 55 56 57 57 55 56 58 60 56 58 60 62 59 60 61 62 61 61 PWind dir N NE NE NE NE E NE NE N Wind char GN LT LT LT GN LT GN LT LT Avg clouds SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 5 5 5 5 5 10 10 10 10 $$ WVZ502-280800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1037 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 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 46 79 53 79 48 Temp 54 50 48 49 70 76 77 66 60 57 54 56 71 76 76 66 57 53 49 50 Dewpt 47 44 43 44 48 46 47 49 48 47 48 50 56 54 54 54 51 49 47 47 RH 77 80 83 83 45 34 35 54 64 69 80 80 59 46 46 65 80 86 93 89 Wind dir SW S S S SW W W W SW SW SW SW W W NW NW NW NW NW W Wind spd 2 2 2 2 3 5 5 2 2 2 2 2 5 8 8 3 2 2 1 1 Clouds SC B1 SC SC SC FW SC B1 B1 SC SC SC FW SC FW SC FW FW SC SC PoP 12hr 0 0 5 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 79 50 78 53 79 52 80 54 82 Temp 75 66 54 54 75 67 57 55 76 67 56 55 77 68 57 56 78 69 Dewpt 51 53 49 48 55 56 53 52 55 56 52 52 54 56 53 53 56 58 PWind dir N N E S SE S SE S SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 5 0 10 5 10 5 10 10 20 Rain shwrs S $$ MDZ014-280800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1037 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 78 64 79 60 Temp 67 63 61 63 73 76 77 74 70 68 66 67 73 77 78 74 69 65 63 63 Dewpt 52 51 52 53 54 53 52 54 57 56 55 56 56 56 54 54 55 53 53 53 RH 59 65 72 70 51 45 42 50 63 65 68 68 55 48 43 50 61 65 70 70 Wind dir W W W W S S S S S SW SW W W W NW NW N N N N Wind spd 2 2 2 2 8 10 12 11 10 9 8 5 6 9 8 5 5 5 6 6 Clouds FW SC SC SC B1 SC FW SC B1 SC SC FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 60 75 61 76 62 76 63 76 Temp 71 70 65 64 73 72 65 66 74 72 66 66 74 72 66 66 74 73 Dewpt 50 51 55 55 52 53 57 58 55 55 59 60 58 58 61 61 59 59 PWind dir NE NE NE E NE E E E NE Wind char LT LT LT LT LT LT GN LT LT Avg clouds SC FW FW FW SC SC FW FW SC SC FW SC SC SC SC SC SC FW PoP 12hr 0 5 5 0 5 5 10 10 10 $$