Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
547 FOUS51 KLWX 311137 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 AM EDT Sun Aug 31 2025 VAZ054-312000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 AM EDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 79 61 80 61 80 Temp 60 71 77 77 71 67 63 62 63 74 78 78 72 68 64 62 63 73 77 78 72 Dewpt 49 48 46 45 47 49 51 52 53 53 49 49 51 55 57 56 56 54 52 51 53 RH 67 44 33 32 42 52 65 70 70 48 36 36 48 63 78 81 78 51 42 39 51 Wind dir NE NE NE NE E NE N N N NE NE E E E N N N NE NE E SE Wind spd 5 8 8 8 6 4 3 5 5 9 11 10 6 5 3 4 5 5 5 5 5 Clouds SC B1 B1 B1 SC SC SC SC FW FW SC SC FW FW FW FW FW FW SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 62 82 64 83 66 80 61 80 Temp 66 64 78 74 68 66 80 74 69 67 77 72 66 63 76 72 Dewpt 55 55 53 54 59 59 59 61 64 63 59 58 56 53 51 51 PWind dir SW S S S S SW W W Wind char LT LT GN GN GN GN LT GN Avg clouds SC SC SC B1 B1 B1 SC B1 B1 B2 B1 B1 FW FW FW FW PoP 12hr 0 5 5 30 40 40 10 5 Rain shwrs C C C C C Tstms S S $$ MDZ013-312000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 AM EDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 58 80 59 79 Temp 58 70 76 76 70 64 61 59 60 73 78 78 71 66 62 60 61 72 76 76 71 Dewpt 48 47 46 47 49 51 54 55 56 55 54 54 57 57 57 57 57 57 55 55 56 RH 69 44 34 36 47 63 78 87 87 53 43 43 61 73 84 90 87 59 48 48 59 Wind dir N NE NE NE NE E N N N NE E E E E NE N N NE NE E S Wind spd 4 6 8 8 2 2 2 2 3 6 8 6 5 2 2 2 2 3 4 4 2 Clouds FW SC B1 B1 B1 B1 SC SC FW FW FW SC SC FW FW FW FW SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 79 62 82 63 78 59 79 Temp 63 63 77 71 66 64 79 72 66 66 75 70 63 62 76 70 Dewpt 57 57 56 58 60 62 62 64 65 64 62 61 56 55 54 54 PWind dir SW S S S S SW W W Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC B1 SC B1 SC B1 B1 B1 B1 B1 SC FW FW FW PoP 12hr 0 0 10 30 50 50 20 5 Rain shwrs C C C C C S Tstms S C $$ MDZ011-312000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 AM EDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 81 63 83 63 82 Temp 61 74 78 79 74 70 67 64 64 77 80 81 75 71 67 65 64 75 78 80 76 Dewpt 47 46 45 46 47 50 52 53 52 51 50 50 53 55 56 55 55 53 52 51 52 RH 60 37 31 31 38 49 59 67 65 40 35 34 46 57 68 70 73 46 40 36 43 Wind dir N NE NE NE NE NE NE N N NE NE E E E NE N N NE NE E S Wind spd 4 6 6 6 4 3 3 4 4 8 9 9 6 3 2 2 2 3 4 4 2 Clouds FW FW B1 B1 B1 B1 SC SC FW FW SC SC SC FW FW FW FW SC SC B1 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 80 80 Max heat 80 80 80 80 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 64 83 66 85 68 82 63 81 Temp 70 65 79 76 71 66 80 77 72 68 78 75 69 64 78 74 Dewpt 55 55 53 54 59 59 59 61 64 62 59 58 55 53 51 50 PWind dir SW S S S S SW W W Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC B1 SC B1 SC B1 B1 B1 B1 B1 SC FW FW SC PoP 12hr 0 0 10 30 50 50 20 5 Rain shwrs C C C C C S Tstms S C $$ WVZ052-312000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 AM EDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 51 79 53 79 Temp 52 68 75 76 70 60 56 53 55 71 77 77 69 62 58 55 58 71 76 75 69 Dewpt 46 46 45 44 46 47 48 48 49 51 49 48 50 52 52 51 52 53 50 49 51 RH 80 45 34 32 42 62 74 83 80 49 37 36 51 70 80 86 80 53 40 40 53 Wind dir N NE NE NE NE N N N N NE NE NE NE NE NE NW NW S NE N SE Wind spd 3 5 6 8 4 2 2 2 3 4 5 5 3 2 1 1 1 2 2 2 1 Clouds FW CL SC SC SC FW FW FW FW FW SC SC SC SC FW FW FW FW SC SC FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 79 58 80 58 76 53 76 Temp 59 58 77 69 63 61 78 71 65 62 73 67 58 57 73 67 Dewpt 52 52 53 55 56 57 59 60 60 59 55 52 51 50 49 49 PWind dir SW S S S S SW W W Wind char LT LT LT GN LT LT LT LT Avg clouds FW SC SC B1 B1 B1 B1 B1 B1 B2 B1 B1 FW FW FW FW PoP 12hr 0 10 20 50 50 40 5 5 Rain shwrs S C C C C C Tstms S S $$ VAZ506-312000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 AM EDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 78 54 79 56 79 Temp 55 70 76 76 68 62 57 55 56 72 77 77 69 63 60 57 58 71 77 76 69 Dewpt 48 49 47 47 48 49 51 50 53 56 54 53 54 56 57 55 57 58 55 53 55 RH 77 47 36 36 49 62 80 83 90 57 45 43 59 78 90 93 96 63 47 45 61 Wind dir N NE N NE NE NE N N N NE NE NE NE E N N N NE NE N N Wind spd 4 5 6 8 4 2 2 3 4 5 6 6 3 2 1 2 2 2 3 3 2 Clouds SC B1 SC SC SC SC SC FW FW FW SC SC SC SC FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 57 79 61 82 62 78 57 79 Temp 61 60 77 71 64 63 79 72 65 64 75 69 61 59 76 69 Dewpt 55 56 57 57 58 60 63 64 64 63 61 59 55 54 55 54 PWind dir SW S S S S SW W W Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC B1 B1 B1 SC B1 B1 B1 B1 B1 FW FW FW FW PoP 12hr 0 5 10 30 50 40 10 5 Rain shwrs C C C C C Tstms S S $$ VAZ037-312000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 AM EDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 52 77 54 77 Temp 56 68 74 74 66 59 56 54 55 70 75 75 67 61 57 55 57 70 75 74 67 Dewpt 49 50 49 48 49 49 48 48 49 51 49 50 51 52 52 52 53 53 51 51 53 RH 77 52 41 40 54 69 74 80 80 51 40 41 56 72 83 90 86 55 43 44 61 Wind dir N NE NE NE NE N N N N NE NE NE NE N N NW NW NE E E SE Wind spd 4 5 6 6 4 3 2 4 5 6 9 8 4 2 2 2 2 2 4 3 2 Clouds B1 B2 SC SC FW FW FW FW CL FW SC SC FW FW FW FW FW FW SC SC FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 77 58 80 61 78 55 78 Temp 60 58 75 69 63 60 78 70 65 62 75 69 60 57 76 68 Dewpt 53 54 54 56 57 58 59 61 61 62 58 56 52 53 51 53 PWind dir SW S S S SW SW W W Wind char LT LT LT GN LT LT LT LT Avg clouds SC B1 SC B1 B1 B1 SC B1 B1 B1 B1 B1 FW FW FW FW PoP 12hr 0 10 10 40 40 40 10 5 Rain shwrs C C C C C Tstms S S S $$ MDZ003-312000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 AM EDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 78 53 80 54 79 Temp 54 69 75 76 68 60 56 53 56 72 78 77 69 63 59 55 58 72 77 75 69 Dewpt 46 46 46 45 47 47 50 49 52 54 51 50 52 53 54 53 54 56 53 52 53 RH 74 44 36 33 47 62 80 86 86 53 39 39 55 70 83 93 86 57 43 45 57 Wind dir N NE NE NE NE NE N N N NE E NE NE E E N N NW NE NW SE Wind spd 3 5 5 6 4 3 3 4 4 5 5 6 4 2 2 2 2 2 3 2 2 Clouds FW FW SC SC SC SC FW FW FW FW SC SC SC SC FW FW FW FW B1 SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 56 80 60 81 59 76 53 78 Temp 59 60 77 69 64 62 78 70 64 61 73 66 57 57 73 67 Dewpt 53 54 55 55 57 58 62 61 61 60 57 53 51 51 52 51 PWind dir S S S S S SW W W Wind char LT LT LT GN LT LT LT LT Avg clouds SC FW SC B1 B1 B1 B1 B1 B2 B2 B1 B1 FW FW FW FW PoP 12hr 0 10 20 50 60 40 10 5 Rain shwrs S S C L C C C Tstms S S S S $$ MDZ017-312000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 AM EDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 62 77 61 77 Temp 62 70 74 76 71 66 64 63 66 73 76 76 70 66 64 63 65 71 74 75 69 Dewpt 55 54 51 52 53 56 57 56 59 58 57 56 58 58 59 58 60 58 57 56 57 RH 78 57 44 43 53 70 78 78 78 59 52 50 66 75 84 84 84 63 55 52 66 Wind dir NE NE N N NE E NE NE NE NE NE NE E NE NE N N NE N N SE Wind spd 8 10 10 11 5 5 5 6 9 10 10 10 9 5 5 6 8 8 6 5 3 Clouds SC B1 B2 B1 SC CL FW FW CL FW SC SC FW CL CL FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 79 64 80 66 80 63 79 Temp 65 66 77 71 68 69 78 72 70 70 76 72 68 67 77 72 Dewpt 60 60 59 60 61 63 63 66 67 66 65 65 61 59 57 59 PWind dir SW S S S S SW W W Wind char LT LT GN GN GN GN LT LT Avg clouds FW FW SC SC SC SC FW SC B1 B1 B1 B1 SC FW CL FW PoP 12hr 0 0 5 20 40 40 20 5 Rain shwrs S C C C C S Tstms S $$ WVZ502-312000- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 AM EDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 78 48 79 49 79 Temp 49 66 75 77 68 57 52 49 50 69 77 77 66 58 54 50 52 70 76 76 67 Dewpt 47 50 50 50 50 49 47 45 46 53 51 51 53 52 49 47 49 54 51 52 54 RH 93 56 41 39 52 75 83 86 86 57 40 40 63 80 83 89 89 57 42 43 63 Wind dir NW NE NE NE NE N SW S NW NE NE E NE N SW SW SW E E E S Wind spd 1 2 3 4 3 2 1 1 1 2 5 5 2 2 2 2 2 2 2 3 2 Clouds SC SC SC FW FW FW FW FW FW FW SC SC SC FW FW FW SC SC B1 SC B1 PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 53 77 56 80 54 77 50 78 Temp 56 55 74 67 60 58 77 68 59 56 73 64 55 53 74 64 Dewpt 52 52 55 58 56 56 61 61 58 55 54 52 49 48 51 51 PWind dir SW S S SW SW SW W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC B1 B2 B2 B1 B1 B2 B2 B1 B1 B1 FW FW FW FW PoP 12hr 5 30 30 60 50 40 5 5 Rain shwrs C C S S L C C C C Tstms S S C S $$ MDZ014-312000- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 AM EDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 62 77 62 76 Temp 63 69 73 76 72 67 65 63 64 72 75 75 71 67 65 63 64 70 73 75 71 Dewpt 53 51 49 49 51 56 57 57 58 56 55 54 56 58 59 58 58 57 56 54 55 RH 70 53 43 39 48 68 75 81 81 57 50 48 59 73 81 84 81 63 55 48 57 Wind dir NE NE NE NE NE E E N NE NE NE NE E E NE NE N NE NE SE S Wind spd 6 9 9 8 3 2 1 3 5 9 10 9 8 4 2 4 5 5 5 5 2 Clouds FW SC B1 B1 SC SC SC FW FW FW FW SC SC FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 77 64 79 66 77 62 76 Temp 66 65 75 73 68 67 77 73 70 68 74 71 67 64 74 71 Dewpt 59 58 57 58 61 61 62 63 66 64 63 62 59 57 55 55 PWind dir SW S S S S SW W W Wind char LT LT GN GN LT GN LT LT Avg clouds SC FW SC SC SC B1 SC B1 B1 B1 B1 B1 SC FW FW FW PoP 12hr 0 0 10 30 50 50 20 5 Rain shwrs C C C C C S Tstms S S $$