Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
720 FOUS51 KLWX 092037 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 437 PM EDT Tue Sep 9 2025 VAZ054-100800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 437 PM EDT Tue Sep 9 2025 Date 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 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 72 62 81 62 Temp 77 70 67 64 64 64 66 69 70 68 66 64 63 65 73 79 79 72 69 66 64 65 Dewpt 53 55 57 58 58 58 59 59 60 60 60 60 59 59 59 56 54 56 56 56 55 56 RH 43 59 70 81 81 81 78 70 71 76 81 87 87 81 62 45 42 57 63 70 73 73 Wind dir NE NE E NE N N N N N N N N N N N N N NE N N N N Wind spd 12 9 8 8 10 9 10 9 9 6 5 5 5 6 6 6 6 5 4 4 5 6 Clouds B1 SC B1 B2 B2 OV B2 B2 B1 B1 B1 SC B1 SC SC SC SC FW FW FW SC FW PoP 12hr 30 30 10 5 5 QPF 12hr 0.03 0.05 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S Date 09/12 Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 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 80 62 83 63 81 62 80 Temp 79 72 65 65 78 72 65 64 80 74 67 66 79 71 65 65 77 72 Dewpt 54 55 60 59 55 56 58 57 55 56 59 58 55 55 59 58 55 56 PWind dir NE E E S SW SW NE NE NE Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW SC SC SC SC SC SC SC SC FW FW FW SC SC SC PoP 12hr 5 0 0 0 5 5 5 5 5 $$ MDZ013-100800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 437 PM EDT Tue Sep 9 2025 Date 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 72 60 81 60 Temp 76 68 64 61 61 61 65 68 69 66 64 62 61 61 73 78 78 71 66 63 61 62 Dewpt 54 56 58 58 58 59 62 62 63 63 61 60 58 59 60 58 57 58 57 56 56 57 RH 46 65 81 90 90 93 90 81 81 90 90 93 90 93 64 50 48 63 73 78 84 84 Wind dir E E E NE N N N N N N N N N N N N N N N N N N Wind spd 8 5 5 4 5 5 8 6 8 4 2 2 3 3 4 5 5 2 2 2 2 4 Clouds SC SC B1 B2 OV B2 B2 B2 B2 B1 B1 B1 B1 SC FW SC FW FW FW FW FW FW PoP 12hr 30 30 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S Date 09/12 Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 60 80 61 82 62 80 60 79 Temp 78 71 64 62 77 71 63 63 79 72 65 63 78 71 63 62 77 71 Dewpt 58 60 61 62 59 60 59 58 59 61 60 59 58 60 59 59 59 60 PWind dir NE E E S SW SW NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC SC SC SC FW SC FW SC FW SC PoP 12hr 0 0 0 0 5 10 10 5 5 $$ MDZ011-100800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 437 PM EDT Tue Sep 9 2025 Date 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 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 74 64 83 64 Temp 78 71 69 65 64 64 67 70 72 69 69 66 65 66 75 80 81 74 72 67 66 66 Dewpt 52 53 55 55 56 57 58 59 60 59 59 58 58 57 57 56 53 54 54 54 55 54 RH 40 53 61 70 75 78 73 68 66 70 70 75 78 73 54 44 38 50 53 63 68 65 Wind dir E E NE NE N N N N N N N N N N N N N N N N N N Wind spd 9 5 5 4 5 5 8 6 8 4 2 2 2 3 4 5 5 2 2 2 2 4 Clouds SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC FW SC SC FW FW FW FW FW PoP 12hr 30 30 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S Heat index 80 Max heat 80 81 Date 09/12 Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 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 64 82 64 84 65 81 63 81 Temp 80 73 68 67 79 73 67 67 80 73 69 67 79 73 67 66 78 72 Dewpt 54 55 60 59 56 55 57 56 55 56 57 56 56 55 57 57 55 55 PWind dir NE E E S SW NE NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW SC SC SC SC SC SC SC SC FW SC FW FW FW SC PoP 12hr 0 0 0 0 5 10 10 5 5 $$ WVZ052-100800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 437 PM EDT Tue Sep 9 2025 Date 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 74 54 80 53 Temp 77 66 58 55 54 56 65 70 72 66 61 58 55 57 72 77 79 69 63 58 56 58 Dewpt 46 47 49 50 49 50 52 55 56 57 55 55 53 55 55 52 50 51 52 51 51 52 RH 33 50 72 83 83 80 63 59 57 73 81 90 93 93 55 42 36 53 67 77 83 80 Wind dir E E NE N N N N N N NE N NW NW NW N N N N N N N N Wind spd 6 3 2 1 3 4 5 5 5 2 2 1 2 2 4 5 5 3 2 2 2 3 Clouds FW FW FW SC B1 B1 B1 B1 B1 SC SC SC SC FW FW SC FW FW FW FW FW FW PoP 12hr 10 10 5 5 5 QPF 12hr 0 0.08 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/12 Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 54 82 56 83 57 80 55 79 Temp 79 70 59 58 79 70 60 59 80 71 62 60 77 69 59 58 77 69 Dewpt 52 53 54 54 53 53 54 54 54 55 56 55 53 53 55 55 54 54 PWind dir NE S NW S NW NW N N NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW SC SC SC SC SC SC SC FW FW FW SC SC SC PoP 12hr 0 0 0 0 5 5 5 5 5 $$ VAZ506-100800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 437 PM EDT Tue Sep 9 2025 Date 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 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 57 72 56 81 56 Temp 76 66 61 59 59 58 63 68 71 67 62 59 58 58 72 78 79 70 64 60 58 59 Dewpt 49 52 57 58 56 57 60 62 61 62 61 59 58 58 61 58 56 57 56 56 54 55 RH 39 61 87 96 90 96 90 81 71 84 97100100100 68 50 45 63 75 87 86 87 Wind dir E E NE N N N N N N N N N N N N N N N N NW N N Wind spd 8 5 3 3 5 5 6 5 6 4 2 2 3 4 5 5 5 4 2 2 3 4 Clouds FW SC SC B2 B2 B1 B2 B1 B1 B1 SC SC SC SC SC FW FW SC FW FW FW FW PoP 12hr 20 20 10 5 5 QPF 12hr 0.14 0.08 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Date 09/12 Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 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 57 82 59 85 61 82 59 80 Temp 79 71 61 60 79 71 62 61 81 73 64 63 79 71 61 61 77 70 Dewpt 57 58 59 59 59 58 59 58 59 60 59 59 59 59 59 59 60 60 PWind dir NE SE SE S SW W N NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW SC SC SC SC SC SC SC FW FW FW SC SC SC PoP 12hr 5 0 0 0 5 5 5 5 5 $$ VAZ037-100800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 437 PM EDT Tue Sep 9 2025 Date 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 72 55 78 56 Temp 74 63 58 56 56 57 65 70 71 65 61 59 58 58 71 76 76 67 62 60 58 59 Dewpt 47 50 52 53 53 54 54 56 56 58 58 57 56 57 57 56 55 56 56 55 54 54 RH 38 62 80 90 90 90 68 61 59 78 90 93 93 96 61 50 48 68 81 84 86 83 Wind dir NE NE N N N N N NE NE NE N NW NW NW N NE NE N N N NW N Wind spd 8 5 3 3 4 5 5 5 5 3 2 2 2 2 2 5 5 2 2 2 3 4 Clouds FW FW SC B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 20 20 10 10 5 QPF 12hr 0.08 0.08 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date 09/12 Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 55 80 56 83 58 80 57 78 Temp 78 68 59 59 78 68 59 59 80 71 63 61 79 69 61 59 77 67 Dewpt 54 55 55 55 55 56 55 55 55 58 57 57 56 57 56 57 56 57 PWind dir NE N E SW SE NW NE N NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC FW FW FW SC SC FW FW FW FW SC SC SC PoP 12hr 5 0 0 0 5 5 5 5 10 $$ MDZ003-100800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 437 PM EDT Tue Sep 9 2025 Date 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 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 52 75 54 80 55 Temp 76 65 58 56 54 56 65 71 73 67 61 58 55 57 72 78 79 69 62 59 56 59 Dewpt 46 47 50 51 49 50 54 57 58 58 56 55 54 55 57 54 52 53 53 52 52 54 RH 34 52 75 83 83 80 68 61 59 73 84 90 96 93 59 43 39 57 72 78 86 83 Wind dir E NE NE NE N N N N N NE N N N N N N N N N N N N Wind spd 6 5 3 2 4 4 5 5 5 4 2 2 2 3 4 5 6 5 3 3 4 4 Clouds FW FW FW SC B1 B1 B1 B1 SC SC SC SC SC FW FW SC FW FW FW FW FW CL PoP 12hr 10 10 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/12 Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 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 58 84 59 82 57 80 Temp 79 71 60 59 79 72 61 61 80 72 63 61 78 70 60 59 77 70 Dewpt 55 55 55 56 56 55 55 55 57 58 58 57 56 56 56 56 56 56 PWind dir NE SE W S W N N NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW SC SC SC SC SC SC FW FW FW FW SC SC SC PoP 12hr 0 0 0 5 5 10 5 5 5 $$ MDZ017-100800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 437 PM EDT Tue Sep 9 2025 Date 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 72 63 78 62 Temp 76 69 66 65 64 66 69 70 71 68 67 65 64 66 72 75 77 70 68 66 64 67 Dewpt 60 61 62 63 63 65 66 66 65 64 64 63 63 64 62 61 59 61 60 60 60 62 RH 58 76 87 93 97 97 90 87 81 87 90 93 97 93 71 62 54 73 76 81 87 84 Wind dir NE NE NE N N N N N N N N N N N N N N N NE N N N Wind spd 12 10 10 10 11 11 13 12 12 8 6 5 6 6 8 9 6 4 4 4 5 6 Clouds OV B2 B1 B2 OV B2 OV B2 B2 B1 SC B1 B1 SC SC SC FW FW FW FW FW FW PoP 12hr 40 30 20 5 5 QPF 12hr 0.08 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C S S S Tstms S S Date 09/12 Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 62 77 62 80 64 78 63 77 Temp 76 70 66 67 76 69 65 66 77 71 67 68 76 70 66 66 76 70 Dewpt 59 61 62 63 60 61 59 60 60 62 61 61 61 61 61 62 60 60 PWind dir NE E NE S S S NE NE NE Wind char GN LT GN LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC SC SC SC FW FW FW FW FW FW FW SC PoP 12hr 5 5 0 0 5 5 5 5 10 $$ WVZ502-100800- Petersburg WV 38.99N 79.15W Elev. 963 ft 437 PM EDT Tue Sep 9 2025 Date 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 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 78 50 81 51 Temp 75 63 54 49 47 48 66 73 76 66 58 54 51 52 71 78 79 68 60 55 52 53 Dewpt 47 48 48 46 45 46 52 53 52 55 52 50 48 48 55 53 52 54 54 51 49 49 RH 37 58 80 89 93 93 61 49 43 68 80 86 89 86 57 42 39 61 81 86 89 86 Wind dir E E S SW W W N NE NE NW W W W W N N N N NW NW W W Wind spd 5 2 2 1 1 1 2 3 4 2 2 2 2 2 2 4 4 3 2 2 2 2 Clouds CL FW FW FW SC SC SC B1 SC SC SC FW FW FW FW SC FW SC SC FW FW FW PoP 12hr 10 20 5 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Obvis PF PF Date 09/12 Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 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 52 84 55 85 55 83 53 82 Temp 79 69 56 54 81 70 58 57 82 71 59 57 80 70 57 55 79 69 Dewpt 53 55 52 51 53 56 52 52 55 59 56 55 56 57 54 54 56 57 PWind dir NE SW N SW NW W N W NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW SC SC SC SC SC SC FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 5 5 5 5 5 $$ MDZ014-100800- Annapolis MD 38.99N 76.49W Elev. 7 ft 437 PM EDT Tue Sep 9 2025 Date 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 70 63 77 63 Temp 75 69 66 64 64 64 65 68 69 68 66 65 64 66 72 75 76 72 68 66 64 67 Dewpt 57 59 60 60 61 61 62 63 63 63 64 63 61 61 60 60 58 59 60 59 59 59 RH 54 70 81 87 90 90 90 84 81 84 93 93 90 84 66 60 54 64 76 78 84 75 Wind dir NE E NE NE N N N N N N N N N N N N NE N N N N N Wind spd 10 9 9 8 9 9 10 10 10 5 4 4 5 5 6 8 5 2 2 2 3 5 Clouds B1 B1 B1 B2 OV OV OV OV B2 B1 B1 B1 SC SC SC FW FW FW FW FW FW FW PoP 12hr 30 30 20 5 5 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S Date 09/12 Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 62 76 62 78 63 76 61 76 Temp 76 71 66 65 73 70 65 65 75 72 67 66 74 70 65 65 74 70 Dewpt 58 60 62 62 60 59 60 59 59 60 61 60 59 60 61 59 59 59 PWind dir NE E E S S SE NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC SC SC FW SC FW FW FW FW SC SC PoP 12hr 5 0 0 0 5 10 5 5 5 $$