Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
223 FOUS51 KLWX 011738 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 PM EDT Fri Aug 1 2025 VAZ054-012000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 PM EDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 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 75 67 81 66 83 Temp 73 74 73 71 69 68 69 75 78 79 75 71 68 66 69 77 81 81 76 Dewpt 65 65 64 65 64 61 60 61 58 57 57 58 59 59 60 58 56 56 57 RH 76 74 73 81 84 78 73 62 50 47 54 63 73 78 73 52 42 42 52 Wind dir N NE NE NE N N N NE NE NE E E NE N N NE E E E Wind spd 11 10 9 6 6 8 8 9 9 9 5 4 3 3 4 5 8 8 5 Clouds OV OV B2 SC SC FW FW FW SC B1 FW FW FW FW FW FW SC SC SC PoP 12hr 20 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Heat index 81 81 Max heat 81 82 Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 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 66 84 68 85 70 82 70 82 Temp 69 70 82 78 70 72 83 78 72 72 79 76 72 72 79 76 Dewpt 59 60 58 59 60 62 60 62 63 64 63 64 67 67 67 67 PWind dir NE E SE E E E E E Wind char LT LT LT LT LT GN LT GN Avg clouds FW FW FW SC SC B1 B1 B1 B1 B2 B1 B2 B1 B2 B1 B2 PoP 12hr 0 5 5 10 10 30 30 40 Rain shwrs S C C C C C Tstms S $$ MDZ013-012000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 PM EDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 64 81 64 83 Temp 72 74 72 69 68 65 67 75 79 79 75 70 67 65 67 78 81 81 77 Dewpt 65 65 66 65 64 61 61 62 60 58 59 60 60 60 61 59 58 58 60 RH 79 74 81 87 87 87 81 64 52 49 58 71 78 84 81 52 46 46 56 Wind dir NE NE NE N N N N NE NE E E E NE N N NE E E E Wind spd 10 10 5 4 3 4 5 5 5 5 3 2 2 2 2 3 5 4 3 Clouds OV B2 B1 B1 SC FW FW FW SC SC SC FW FW FW FW FW SC SC SC PoP 12hr 10 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 81 81 Max heat 81 81 81 Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 86 67 86 69 83 69 82 Temp 68 68 83 78 69 71 84 79 72 72 80 76 71 71 79 75 Dewpt 61 62 60 62 63 64 63 64 65 66 66 66 68 68 69 69 PWind dir E E SW E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 PoP 12hr 0 0 5 5 10 20 30 40 Rain shwrs S S C C C C Tstms S $$ MDZ011-012000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 PM EDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 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 70 87 69 89 Temp 75 77 77 75 72 70 71 80 83 84 78 76 71 69 72 82 86 86 80 Dewpt 63 63 63 63 62 59 58 58 56 56 55 58 58 58 58 57 55 55 56 RH 66 62 62 66 71 68 63 47 40 38 45 54 63 68 61 43 35 35 44 Wind dir NE NE NE N N N N NE NE NE NE NE NE N N NE E E E Wind spd 10 10 5 3 3 4 5 5 5 5 3 2 1 1 2 3 5 4 2 Clouds OV B2 B2 SC FW FW FW FW SC B1 SC FW FW FW FW FW SC SC SC PoP 12hr 10 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 81 82 80 Max heat 82 84 84 85 Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 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 70 91 72 91 74 88 73 87 Temp 73 74 87 81 75 76 88 81 76 76 85 79 75 76 84 78 Dewpt 59 59 57 59 60 61 59 60 62 63 61 62 66 65 66 65 PWind dir E E W E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW SC B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 0 0 5 5 10 20 30 40 Rain shwrs S S C C C Tstms S $$ WVZ052-012000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 PM EDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 58 80 56 82 Temp 72 73 71 66 63 60 62 72 77 77 71 63 60 57 62 74 79 80 74 Dewpt 62 62 61 60 57 54 53 55 55 53 55 56 55 54 55 57 55 56 58 RH 71 68 71 81 81 81 72 55 47 43 57 78 84 90 78 55 44 44 57 Wind dir N NE N N N N N NE NE NE NE NE N NW N NE E E E Wind spd 9 9 4 3 4 5 5 5 5 5 2 1 0 1 0 2 4 3 2 Clouds B2 B1 B1 SC FW FW FW FW SC B1 FW FW FW FW FW FW FW SC SC PoP 12hr 5 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 80 Max heat 80 Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 85 61 85 64 81 64 82 Temp 62 63 81 76 64 66 82 76 67 68 78 73 66 67 78 74 Dewpt 57 57 57 59 58 59 59 60 61 61 61 61 62 63 64 64 PWind dir SE E SW E E E NE E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 5 5 5 10 20 30 30 40 Rain shwrs S S C S C C C Tstms S $$ VAZ506-012000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 PM EDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 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 75 61 80 59 83 Temp 72 73 71 68 66 63 64 75 78 78 74 68 64 60 64 77 81 80 75 Dewpt 66 66 67 66 63 60 60 63 61 61 61 60 59 58 60 62 59 59 60 RH 81 79 87 93 90 90 87 66 56 56 64 76 84 93 87 60 47 49 60 Wind dir N N NE N N N N NE NE NE NE NE N N N NE E E E Wind spd 9 9 5 4 4 5 5 5 5 5 4 2 1 2 2 3 4 5 4 Clouds B2 B2 B2 B1 SC SC FW FW SC B1 SC FW FW FW FW FW SC SC SC PoP 12hr 10 5 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 81 81 Max heat 82 81 Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 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 59 86 63 85 66 82 66 82 Temp 64 65 82 76 66 67 84 76 69 69 79 74 69 69 79 75 Dewpt 60 62 62 63 61 63 64 64 64 65 67 66 66 68 69 69 PWind dir E NE SW E E NE NE E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 5 5 5 10 20 30 30 40 Rain shwrs S S S C C C C C Tstms S $$ VAZ037-012000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 PM EDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 62 79 59 80 Temp 73 74 70 67 66 64 65 72 77 76 71 65 62 60 64 74 77 77 71 Dewpt 65 64 64 64 63 61 60 60 59 58 58 58 57 57 57 57 57 56 58 RH 76 71 81 90 90 90 84 66 54 54 63 78 84 90 78 55 50 48 63 Wind dir NE NE NE N N N NE NE NE NE E N N N N NE E E E Wind spd 9 9 6 5 5 5 6 8 8 8 5 2 2 2 2 5 5 6 3 Clouds B2 B2 B2 B1 B1 B1 SC SC FW FW FW FW SC SC FW FW SC SC FW PoP 12hr 20 10 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 82 61 82 63 79 64 80 Temp 61 64 80 73 64 65 79 73 66 67 76 70 66 67 77 72 Dewpt 58 58 57 59 59 59 59 61 61 62 64 64 64 65 67 66 PWind dir N NE N NE N NE NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 PoP 12hr 5 5 10 20 30 40 40 50 Rain shwrs S S C C C C C C C Tstms S S $$ MDZ003-012000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 PM EDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 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 58 80 56 83 Temp 73 75 72 66 62 59 62 73 78 78 72 64 61 58 62 75 80 80 75 Dewpt 63 61 62 59 56 53 54 58 57 55 57 56 55 53 56 59 58 57 60 RH 71 62 71 78 81 80 75 59 48 45 59 75 81 83 81 58 47 45 60 Wind dir N N NE N N N N NE NE NE NE NE N N N NE E E E Wind spd 9 9 5 4 5 5 5 5 5 5 3 2 2 2 2 2 4 3 3 Clouds B2 B2 SC SC FW FW FW FW SC B1 SC FW FW 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 Rain shwrs Heat index 81 80 Max heat 81 81 Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 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 59 86 63 86 65 81 65 82 Temp 63 64 83 76 66 67 84 77 69 69 79 74 68 68 78 75 Dewpt 58 59 61 62 60 61 63 63 61 63 64 62 63 65 67 66 PWind dir NE E SE E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 5 5 5 10 10 30 30 40 Rain shwrs S C S C C C Tstms S $$ MDZ017-012000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 PM EDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 70 83 69 84 Temp 75 75 75 71 71 70 73 77 81 81 77 73 71 70 74 79 82 82 78 Dewpt 69 68 68 66 65 64 65 63 62 61 62 61 60 60 62 60 60 61 61 RH 82 79 79 84 81 81 76 62 53 51 60 66 68 71 66 52 47 49 56 Wind dir N N NE NE NE NE NE NE NE NE E E E NE NE NE NE E E Wind spd 14 14 11 10 10 10 11 11 10 10 6 6 5 5 8 9 8 8 5 Clouds OV B2 B2 B1 SC FW FW FW SC SC B1 FW FW FW FW FW SC SC SC PoP 12hr 20 20 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Heat index 82 82 82 83 Max heat 82 82 82 83 Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 85 69 87 70 85 71 84 Temp 70 74 84 79 71 74 84 79 72 75 83 78 72 75 81 77 Dewpt 61 64 62 63 63 66 64 64 66 68 67 69 69 71 70 70 PWind dir NE NE E E E NE E E Wind char LT LT LT LT LT GN LT GN Avg clouds SC FW FW SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 5 5 10 10 20 30 40 Rain shwrs S S C C C C Tstms S $$ WVZ502-012000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 PM EDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 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 74 57 80 53 81 Temp 68 71 68 63 61 58 59 70 76 76 69 61 56 54 57 72 78 78 70 Dewpt 63 63 63 62 60 56 55 58 58 57 58 56 55 52 55 58 57 57 59 RH 84 76 84 97 97 93 87 66 54 52 68 84 96 93 93 61 48 48 68 Wind dir N NE NE NW N N N NE NE NE E NW NW W S E E E E Wind spd 6 5 4 2 2 2 2 3 4 4 3 2 1 1 1 2 4 4 3 Clouds OV B2 B2 SC SC SC SC SC SC SC SC FW FW FW SC FW SC SC SC PoP 12hr 10 10 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 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 55 84 58 84 61 78 60 81 Temp 58 59 81 72 61 62 81 71 63 63 75 69 63 62 78 71 Dewpt 55 56 58 61 57 57 61 61 59 59 64 63 61 61 67 66 PWind dir S SE S SE S E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 5 5 5 20 30 40 30 50 Rain shwrs S S C C C C C C C Tstms S S $$ MDZ014-012000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 PM EDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 69 80 68 81 Temp 72 74 73 71 70 69 71 75 77 78 76 72 71 69 71 77 79 80 78 Dewpt 66 66 65 66 65 64 63 62 60 58 59 61 60 60 62 59 59 58 59 RH 81 76 76 84 84 84 76 64 56 50 56 68 68 73 73 54 50 47 52 Wind dir N NE NE NE NE NE NE NE NE NE E E E NE N NE E E E Wind spd 12 11 9 6 5 8 8 10 10 9 5 3 2 2 3 5 8 6 4 Clouds OV B2 B2 B1 SC SC FW SC SC SC FW SC FW FW FW FW SC SC FW PoP 12hr 20 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Heat index 81 Max heat 81 Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 83 69 83 70 81 71 81 Temp 71 72 80 79 71 72 81 79 73 73 78 77 73 73 78 77 Dewpt 61 62 60 61 63 64 63 63 65 66 66 66 68 68 69 68 PWind dir E NE SE E E E E E Wind char LT LT LT LT LT GN LT GN Avg clouds SC FW FW FW B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 PoP 12hr 0 0 5 5 10 20 30 40 Rain shwrs S S C C C C Tstms S $$