Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
268 FOUS51 KLWX 291308 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 908 AM EDT Fri Aug 29 2025 VAZ054-292000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 908 AM EDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 82 59 78 59 80 Temp 75 79 79 73 68 64 61 60 69 74 76 71 66 63 60 62 72 77 77 71 Dewpt 54 51 48 47 48 47 47 46 46 45 45 47 49 50 50 50 50 48 48 50 RH 48 38 34 40 49 54 60 60 44 35 33 42 54 62 69 65 46 36 36 47 Wind dir NW NW NW NW N N N N N N NW NE E NE N N NE E E E Wind spd 11 12 12 10 9 8 8 6 5 5 5 5 3 2 4 5 5 5 6 6 Clouds FW SC SC SC FW SC SC B1 SC FW FW FW CL FW FW FW SC 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 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 80 60 79 61 80 64 81 Temp 65 63 78 72 65 63 76 72 65 63 77 73 68 66 78 73 Dewpt 52 53 50 51 56 57 52 53 57 58 55 57 62 61 61 61 PWind dir NE E E E SE SE SE S Wind char LT LT LT LT LT GN LT GN Avg clouds FW FW FW SC SC SC SC SC SC SC SC B1 SC SC SC B1 PoP 12hr 0 0 5 5 5 20 20 30 Rain shwrs S S C Tstms S $$ MDZ013-292000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 908 AM EDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 55 77 57 78 Temp 74 78 78 71 64 60 57 58 69 74 75 69 63 60 58 60 71 76 76 71 Dewpt 55 53 49 48 49 48 46 48 46 46 47 49 51 51 49 51 50 50 50 52 RH 51 42 36 44 58 64 67 69 44 37 37 49 65 72 72 72 47 40 40 51 Wind dir W W NW NW N N N N N N N NE NE N N NE NE NE E E Wind spd 9 11 10 5 5 4 4 4 4 4 4 2 2 2 2 3 4 4 4 3 Clouds FW SC SC FW SC SC SC SC FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 79 59 78 60 80 63 79 Temp 62 62 77 71 63 62 76 71 63 63 77 71 65 65 77 71 Dewpt 53 55 53 55 58 59 55 56 59 60 57 59 62 63 64 65 PWind dir NE E E E SE SE SE SE Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW SC SC SC FW SC SC SC SC B1 SC B1 SC B1 PoP 12hr 0 0 5 5 5 10 20 30 Rain shwrs S S C Tstms S S $$ MDZ011-292000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 908 AM EDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 60 80 61 82 Temp 77 80 81 75 70 66 62 60 71 76 78 73 69 66 62 62 75 78 79 75 Dewpt 53 51 47 46 47 46 46 45 45 44 45 46 48 49 48 48 47 47 47 48 RH 43 36 30 36 44 48 56 58 39 32 31 38 47 54 60 60 37 33 32 38 Wind dir NW NW NW NW NW N N N N N N NE N N N N NE NE NE NE Wind spd 9 11 11 8 6 6 6 3 4 4 5 2 1 2 2 3 4 4 5 2 Clouds FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW SC 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 Heat index 80 Max heat 80 80 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 63 83 63 82 63 83 66 83 Temp 68 64 79 75 68 64 78 75 68 65 79 76 70 67 79 75 Dewpt 52 52 50 51 56 56 53 53 57 57 55 56 61 61 61 60 PWind dir NE E E E SE SE SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC FW SC SC SC SC SC B1 SC SC SC B1 PoP 12hr 0 0 5 5 5 10 20 30 Rain shwrs S S C Tstms S S $$ WVZ052-292000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 908 AM EDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 49 76 49 77 Temp 71 75 75 67 60 55 51 54 66 73 73 66 58 55 51 54 68 75 75 68 Dewpt 53 50 46 46 46 46 44 45 47 46 46 47 48 47 46 48 48 49 48 50 RH 53 41 36 47 60 72 77 71 50 38 38 50 69 74 83 80 49 40 38 52 Wind dir NW NW NW NW N N NW N N N N E NE N N N NE E E E Wind spd 11 12 11 6 5 3 3 2 4 4 3 2 1 1 2 2 2 3 3 2 Clouds SC SC SC FW SC SC FW FW FW FW FW CL FW FW SC SC SC SC SC FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 79 53 78 54 79 58 79 Temp 57 57 76 69 58 57 76 69 60 58 77 71 63 62 76 69 Dewpt 49 50 50 51 52 52 51 52 54 54 55 54 57 58 60 60 PWind dir NE E SE SE SE SE SE S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 0 5 5 5 5 20 20 40 Rain shwrs S S S S C Tstms S $$ VAZ506-292000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 908 AM EDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 80 53 76 54 78 Temp 72 77 77 69 62 58 55 55 67 73 74 67 60 57 54 56 70 76 76 69 Dewpt 56 53 50 49 49 48 47 48 48 48 48 49 50 50 48 50 53 52 53 53 RH 57 43 39 49 62 69 74 77 50 41 40 52 69 77 80 80 55 43 45 57 Wind dir NW NW NW NW N N N N N N NW N NE N N N NE NE NE E Wind spd 10 12 12 6 5 4 4 3 4 4 4 3 2 2 2 3 3 3 4 3 Clouds SC SC SC SC SC SC SC B1 SC FW FW FW FW FW FW SC SC 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 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 79 57 78 58 80 61 81 Temp 60 59 78 71 60 59 76 70 61 60 77 71 64 63 78 70 Dewpt 52 53 54 54 56 57 56 55 57 58 58 58 61 62 64 65 PWind dir NE E SE E SE SE SE S Wind char LT LT LT LT LT LT LT GN Avg clouds SC FW FW SC SC SC SC SC SC SC SC B1 SC SC B1 B1 PoP 12hr 0 5 5 5 5 20 20 30 Rain shwrs S S C Tstms S $$ VAZ037-292000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 908 AM EDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 54 76 55 75 Temp 73 79 78 70 62 59 55 56 66 74 74 67 62 58 57 58 68 73 73 66 Dewpt 54 53 51 52 52 49 49 49 49 51 52 53 53 51 50 51 52 52 53 55 RH 51 41 39 53 70 69 80 77 54 44 46 61 72 77 77 77 57 48 49 68 Wind dir NW NW NW N N N N N NE E E NE NE N N N E E E NE Wind spd 5 5 6 5 4 3 3 2 2 2 4 3 2 1 2 2 3 4 4 3 Clouds FW SC SC SC SC SC B1 SC SC SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 76 55 76 56 78 59 79 Temp 60 59 75 67 59 58 74 67 60 58 75 68 62 61 76 69 Dewpt 53 54 52 54 53 54 54 55 54 56 56 58 58 60 61 61 PWind dir N NE N E NE SE SE S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC B1 SC SC SC B1 PoP 12hr 5 5 5 10 10 20 20 30 Rain shwrs S S C Tstms S $$ MDZ003-292000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 908 AM EDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 49 76 51 78 Temp 70 75 74 66 58 54 50 52 66 73 73 66 58 54 51 55 70 75 75 68 Dewpt 54 49 47 45 47 46 44 45 48 47 46 47 48 47 46 48 50 51 50 50 RH 57 40 38 47 67 74 80 77 52 40 38 50 69 77 83 77 49 43 41 52 Wind dir NW NW NW NW N N N N N N N NE NE N N N NE NE NE E Wind spd 11 12 12 6 5 3 3 2 4 5 4 3 2 2 3 3 3 3 4 4 Clouds SC SC FW CL FW FW FW CL CL FW FW CL FW FW FW FW SC SC SC FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 80 55 79 56 80 60 79 Temp 58 58 78 69 59 59 76 69 60 59 77 71 63 63 77 69 Dewpt 50 51 51 52 53 54 54 53 54 55 57 55 58 59 62 62 PWind dir NE E E SE SE SE SE S Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW SC SC SC SC SC SC SC SC SC B1 SC SC B1 PoP 12hr 0 5 5 5 10 20 20 40 Rain shwrs S S S S C Tstms S $$ MDZ017-292000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 908 AM EDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 62 75 61 78 Temp 75 79 80 72 69 66 63 65 70 72 73 68 65 65 62 66 72 75 75 70 Dewpt 55 56 55 56 55 54 52 54 53 52 52 52 53 54 55 56 55 53 53 55 RH 50 45 42 57 61 65 67 68 55 49 48 57 65 68 78 70 55 46 46 59 Wind dir NW NW NW W N N N N N N N NE NE NE NE NE NE N N NE Wind spd 9 9 9 4 5 6 8 8 8 6 5 3 3 2 4 5 6 6 5 4 Clouds FW SC SC SC SC SC B1 SC SC SC FW FW CL FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 78 61 77 62 78 65 79 Temp 66 66 76 71 65 66 75 70 65 66 76 71 68 69 77 72 Dewpt 56 59 56 58 59 61 57 59 61 62 60 62 64 65 65 65 PWind dir E NE E E E E SE SE Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 5 5 20 20 20 Rain shwrs S S S Tstms S $$ WVZ502-292000- Petersburg WV 38.99N 79.15W Elev. 963 ft 908 AM EDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 46 78 51 78 Temp 70 75 75 65 56 51 48 49 66 74 76 65 57 54 51 53 68 75 76 66 Dewpt 55 52 51 51 50 48 46 46 50 50 51 53 50 49 47 48 53 55 56 57 RH 59 45 43 60 80 89 93 89 56 43 42 65 77 83 86 83 59 50 50 73 Wind dir NW NW NW NW NW N W N NE NE N NE NE NE S NE E E E SE Wind spd 6 10 9 4 2 2 2 1 2 3 4 2 2 1 1 1 2 3 3 2 Clouds SC SC SC SC SC SC SC SC FW FW FW FW SC SC SC B1 SC SC SC B1 PoP 12hr 0 0 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S Obvis PFPF+PF+ Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 79 53 78 53 80 56 80 Temp 57 54 75 66 57 55 75 67 57 55 77 68 60 58 76 67 Dewpt 54 52 55 56 53 53 56 57 54 53 57 58 56 56 61 62 PWind dir SE SE S SE S S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC B1 B1 SC SC B1 B1 SC B1 B1 PoP 12hr 5 10 5 20 10 30 20 50 Rain shwrs S S C S S S C Tstms S $$ MDZ014-292000- Annapolis MD 38.99N 76.49W Elev. 7 ft 908 AM EDT Fri Aug 29 2025 Date Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 59 74 60 75 Temp 73 77 78 73 67 65 61 62 68 72 73 70 66 65 62 64 70 74 75 71 Dewpt 55 54 51 51 52 51 51 51 48 48 49 51 53 54 53 54 51 51 50 52 RH 53 45 39 46 59 60 70 67 49 42 43 51 63 68 72 70 51 44 41 51 Wind dir NW NW NW NW N N N N N N E E NE N NE NE NE NE NE NE Wind spd 9 10 11 6 6 5 6 5 5 5 5 3 2 2 3 5 5 6 5 3 Clouds FW SC SC SC FW FW SC SC SC FW FW CL FW FW FW FW SC SC FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 76 60 76 61 76 65 77 Temp 65 65 75 71 65 64 73 71 65 65 75 72 68 67 75 72 Dewpt 56 57 53 55 58 59 56 56 59 60 58 59 63 64 63 63 PWind dir E NE E E SE E SE SE Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC B1 PoP 12hr 0 0 5 5 5 10 20 30 Rain shwrs S S C Tstms S S $$