Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
575 FOUS51 KLWX 270538 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 AM EDT Sat Sep 27 2025 VAZ054-272000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 AM EDT Sat Sep 27 2025 Date Sat 09/27/25 Sun 09/28/25 Mon 09/29/25 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 65 79 66 79 Temp 70 69 72 72 69 68 67 67 66 66 71 76 77 72 70 68 67 66 73 76 75 72 Dewpt 65 64 65 65 65 66 66 65 65 64 65 64 64 65 65 64 63 63 64 64 64 65 RH 84 84 79 79 87 93 97 93 97 93 81 66 64 79 84 87 87 90 73 66 69 79 Wind dir NE NE NE NE NE NE NE N N N N NE NE E E N N N NE E E NE Wind spd 3 5 6 6 8 8 6 6 6 6 6 5 5 5 2 3 5 6 8 8 9 8 Clouds OV B2 OV OV OV OV OV OV B2 B1 B1 SC SC SC B1 B1 B2 B2 B2 OV OV OV PoP 12hr 80 70 10 10 30 QPF 12hr 0.49 0.24 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S L D L C C S S C C C Tstms S S Obvis PF PF PF PF PF Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 Fri 10/03/25 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 67 75 64 73 55 68 54 70 Temp 69 67 73 70 67 64 71 66 60 55 65 60 56 55 68 63 Dewpt 64 63 63 62 61 58 57 53 51 47 48 48 50 49 51 52 PWind dir NE NE NE NE NE NE NE E Wind char GN GN GN GN GN GN LT GN Avg clouds OV OV B2 OV B2 B2 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 30 30 20 10 5 0 5 5 Rain shwrs C C C C S $$ MDZ013-272000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 AM EDT Sat Sep 27 2025 Date Sat 09/27/25 Sun 09/28/25 Mon 09/29/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 63 79 63 78 Temp 66 66 71 73 70 67 66 65 64 64 71 76 77 71 67 65 63 64 73 77 76 71 Dewpt 64 64 66 66 67 67 66 65 64 64 67 67 67 68 66 65 63 64 66 67 66 67 RH 93 93 84 79 90100100100100100 87 74 71 90 97100100100 79 71 71 87 Wind dir NE NE E E NE NE NE NE NE N NE N NE S NW NW N N NE E E E Wind spd 2 2 4 5 5 4 3 3 3 3 4 4 3 2 1 2 2 4 5 6 5 3 Clouds B2 B1 B2 OV OV OV OV OV B2 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 OV PoP 12hr 70 70 10 10 20 QPF 12hr 0.12 0.28 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L L C S S S S S Tstms S S Obvis PF PF PF PF PF Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 Fri 10/03/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 75 61 72 52 66 51 68 Temp 67 66 74 69 64 62 70 64 56 53 64 58 53 52 66 60 Dewpt 65 64 65 64 60 57 58 54 49 47 48 48 48 48 51 53 PWind dir NE NE NE NE NE NE NE E Wind char LT GN LT GN LT GN LT LT Avg clouds OV OV B2 B2 B2 B2 B1 SC SC SC FW SC SC SC SC SC PoP 12hr 30 30 20 5 5 0 0 5 Rain shwrs S C C S S $$ MDZ011-272000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 AM EDT Sat Sep 27 2025 Date Sat 09/27/25 Sun 09/28/25 Mon 09/29/25 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 66 82 66 81 Temp 69 69 74 75 73 70 70 69 68 68 73 78 79 74 72 70 68 67 76 79 79 75 Dewpt 63 61 62 63 64 64 65 64 64 63 63 64 63 64 64 63 63 62 62 63 64 64 RH 81 76 66 66 73 81 84 84 87 84 71 62 58 71 76 78 84 84 62 58 60 69 Wind dir N NE E E NE NE NE N NE N NE N NE SE NW N N N NE E E E Wind spd 1 2 4 5 5 3 2 2 3 3 3 4 3 2 1 1 2 4 5 6 6 3 Clouds B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC B1 B1 B2 B2 B2 OV OV PoP 12hr 70 70 10 10 20 QPF 12hr 0.12 0.30 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L L C S S S S S S Obvis PF PF PF Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 Fri 10/03/25 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 67 78 63 74 55 69 54 72 Temp 71 67 76 72 69 63 72 67 60 55 65 63 58 55 69 65 Dewpt 64 62 62 62 59 55 54 51 47 45 45 46 48 47 49 51 PWind dir NE NE NE NE NE NE NE E Wind char LT GN LT GN LT GN LT LT Avg clouds OV OV B2 OV B2 B1 B1 SC SC SC FW SC SC SC SC SC PoP 12hr 30 20 20 5 0 0 0 5 Rain shwrs S C S S S $$ WVZ052-272000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 AM EDT Sat Sep 27 2025 Date Sat 09/27/25 Sun 09/28/25 Mon 09/29/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 60 81 58 79 Temp 63 63 69 70 68 65 63 62 61 62 71 78 79 70 64 61 59 60 72 77 77 70 Dewpt 61 59 62 63 62 63 63 62 61 61 63 62 60 61 61 60 58 59 60 61 61 62 RH 93 87 78 78 81 93100100100 97 76 58 52 73 90 97 96 96 66 58 58 76 Wind dir N N E E NE NE N N N NW N N NE S W NW N N NE E E E Wind spd 1 1 2 4 3 2 2 1 2 2 2 4 2 2 1 1 2 3 4 5 5 2 Clouds OV B2 OV OV OV OV OV OV B2 B1 SC SC FW FW FW SC B1 B1 B2 B2 B2 B2 PoP 12hr 70 40 10 10 20 QPF 12hr 0.17 0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C S S S S S S S Obvis PF PF PF PF PF PF Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 Fri 10/03/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 77 57 74 46 67 45 69 Temp 63 63 75 68 61 59 72 63 52 49 65 58 49 48 67 59 Dewpt 61 60 60 59 56 53 52 48 45 44 45 45 45 44 48 49 PWind dir NE NE N NE NE E E E Wind char LT LT LT LT LT LT LT LT Avg clouds B2 OV B2 B2 B2 B1 B1 SC SC SC FW SC SC SC SC SC PoP 12hr 30 20 20 5 5 0 0 5 Rain shwrs S C S S S $$ VAZ506-272000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 AM EDT Sat Sep 27 2025 Date Sat 09/27/25 Sun 09/28/25 Mon 09/29/25 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 73 62 79 61 78 Temp 66 66 70 71 68 67 65 65 64 64 71 76 77 70 65 64 62 63 72 77 75 70 Dewpt 65 65 68 68 68 67 65 65 64 64 68 68 67 67 65 64 62 62 67 67 67 67 RH 97 97 93 90100100100100100100 90 76 71 90100100100 97 84 71 76 90 Wind dir N NE E NE N N N N N N N N N NE N N N N NE E E E Wind spd 2 2 3 5 5 4 3 3 3 3 4 4 4 2 2 2 2 4 5 5 5 4 Clouds B2 B2 OV OV OV OV OV OV B2 B1 SC SC SC SC SC B1 B2 B2 B2 B2 B2 OV PoP 12hr 80 60 10 10 30 QPF 12hr 0.42 0.31 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C L D L C C S S S C C C Tstms S S Obvis PF PF PF PF PF PF PF Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 Fri 10/03/25 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 75 60 72 49 66 47 68 Temp 66 64 73 68 63 60 70 64 54 50 64 57 50 49 66 59 Dewpt 65 64 67 64 61 58 59 55 50 47 49 48 48 47 53 53 PWind dir NE NE N NE NE NE NE E Wind char LT LT LT GN LT GN LT LT Avg clouds OV OV OV B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 30 20 10 5 0 5 5 Rain shwrs C C C C S $$ VAZ037-272000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 AM EDT Sat Sep 27 2025 Date Sat 09/27/25 Sun 09/28/25 Mon 09/29/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 61 77 61 75 Temp 67 66 67 68 68 65 65 64 63 63 69 75 75 69 65 63 62 62 70 73 72 67 Dewpt 66 66 66 66 65 64 64 64 63 63 63 63 63 63 63 62 61 62 63 62 63 63 RH 97100 97 93 90 97 97100100100 81 66 66 81 93 97 97100 78 68 73 87 Wind dir NE NE NE NE NE NE N N N N NE NE NE NE N N N N NE NE NE NE Wind spd 2 3 5 5 5 5 4 3 3 3 5 6 5 2 2 2 3 5 6 8 8 5 Clouds OV OV OV OV OV OV OV OV B2 SC B1 B1 SC SC SC B1 B2 B2 OV OV OV OV PoP 12hr 90 50 20 20 40 QPF 12hr 0.43 0.04 0 0.01 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D L C C C C S S S S S S C C C C C Tstms C C C S S Obvis PF PF PF PF PF PF PF PF PF PF Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 Fri 10/03/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 72 60 72 50 67 48 69 Temp 65 63 71 66 63 60 70 63 56 50 64 58 51 49 66 59 Dewpt 63 63 62 61 59 57 56 55 50 48 47 48 48 48 50 51 PWind dir N NE N NE NE NE NE NE Wind char LT GN LT GN LT GN LT LT Avg clouds OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 50 40 30 20 10 5 5 5 Rain shwrs C C C C C S S $$ MDZ003-272000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 AM EDT Sat Sep 27 2025 Date Sat 09/27/25 Sun 09/28/25 Mon 09/29/25 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 60 81 59 81 Temp 62 64 71 71 69 67 65 63 62 62 71 78 79 71 65 63 61 62 74 79 78 71 Dewpt 60 60 63 65 65 64 64 63 62 62 65 65 63 63 62 61 59 60 63 64 63 64 RH 93 87 76 81 87 90 97100100100 81 64 58 76 90 93 93 93 69 60 60 79 Wind dir N NE E SE NE NE N N N NE N N N S SW N N N NE E E E Wind spd 2 2 2 4 4 3 2 2 2 2 2 3 3 2 2 2 3 4 5 5 5 4 Clouds B2 B1 OV OV OV OV OV B2 B1 B1 SC SC FW FW FW SC SC B1 B2 B2 B2 B2 PoP 12hr 70 40 5 5 20 QPF 12hr 0.04 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C S S S S Obvis PF PF PF PF Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 Fri 10/03/25 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 58 74 46 66 45 69 Temp 65 63 75 69 62 59 71 62 51 48 64 56 49 47 66 58 Dewpt 62 61 62 61 57 54 54 48 45 42 45 45 43 43 48 49 PWind dir NE NE NE NE NE E E SE Wind char LT LT LT GN LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B1 SC SC SC SC FW FW SC SC SC SC PoP 12hr 20 20 10 5 5 0 0 5 Rain shwrs S S S S $$ MDZ017-272000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 AM EDT Sat Sep 27 2025 Date Sat 09/27/25 Sun 09/28/25 Mon 09/29/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 66 76 65 76 Temp 69 71 73 73 72 68 67 67 66 67 71 73 74 70 68 67 66 68 72 75 75 70 Dewpt 68 68 68 68 68 68 67 67 66 66 67 67 66 66 66 65 65 67 67 67 68 67 RH 97 90 84 84 87100100100100 97 87 81 76 87 93 93 97 97 84 76 79 90 Wind dir NE NE E E E E NE NE NE NE N N N NE E NE NE NE NE NE NE NE Wind spd 3 5 5 6 8 8 6 6 8 8 8 6 5 4 4 3 5 6 8 8 8 8 Clouds B2 B2 OV OV OV OV OV B2 OV B2 B2 B2 B1 B2 B1 B1 B2 B2 B2 OV OV OV PoP 12hr 80 80 20 20 30 QPF 12hr 0.43 0.33 0.01 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C L L D C C C S S S S S S C C C C C Tstms S C C S Obvis PF PF PF PF PF PF PF Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 Fri 10/03/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 74 64 72 57 67 56 69 Temp 68 69 72 69 66 67 71 65 61 59 66 60 58 59 68 62 Dewpt 65 66 66 64 62 62 60 57 52 52 50 50 51 52 54 54 PWind dir NE NE NE NE NE NE NE NE Wind char GN GN GN GN GN GN GN GN Avg clouds OV OV OV OV B2 B2 B1 B2 B1 SC SC SC SC SC SC SC PoP 12hr 40 40 20 10 5 0 5 5 Rain shwrs C C C C S S $$ WVZ502-272000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 AM EDT Sat Sep 27 2025 Date Sat 09/27/25 Sun 09/28/25 Mon 09/29/25 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 72 58 82 55 81 Temp 61 61 68 70 70 66 63 61 59 59 71 78 81 69 63 58 56 56 72 78 78 69 Dewpt 60 60 65 65 65 64 63 61 59 59 64 63 61 62 60 58 56 56 62 61 61 62 RH 97 97 90 84 84 93100100100100 79 60 51 78 90100100100 71 56 56 78 Wind dir NW NW N N NE N N NW NE NW NE NE NE N W W NW N NE E E E Wind spd 1 1 2 3 3 2 2 1 1 2 2 4 4 2 2 2 2 2 3 4 5 3 Clouds OV OV OV OV OV OV OV B2 B2 B1 SC SC FW FW FW SC SC B1 B1 B2 B2 OV PoP 12hr 80 30 10 10 20 QPF 12hr 0.38 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C D D C C S S S S S S Tstms S S Obvis PF PF PF PF PF PF PF PF Heat index 82 Max heat 82 Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 Fri 10/03/25 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 77 53 76 43 69 40 72 Temp 60 58 75 67 59 54 73 63 50 44 66 56 46 42 68 59 Dewpt 59 58 61 60 57 52 54 52 46 42 44 45 43 42 46 49 PWind dir NE NE N NE NE E SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 30 20 10 5 5 5 5 Rain shwrs S C C S S $$ MDZ014-272000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 AM EDT Sat Sep 27 2025 Date Sat 09/27/25 Sun 09/28/25 Mon 09/29/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 65 76 66 77 Temp 69 69 72 73 72 69 67 67 66 67 71 74 75 71 69 68 66 68 72 75 75 71 Dewpt 66 65 65 66 66 67 67 66 65 65 65 66 65 66 67 66 65 65 65 66 66 67 RH 90 87 79 79 81 93100 97 97 93 81 76 71 84 93 93 97 90 79 74 74 87 Wind dir NE NE E NE E NE NE NE NE NE N NE E S E N N NE NE NE E E Wind spd 2 3 5 6 6 5 5 5 5 5 5 6 5 2 2 2 2 5 8 8 8 5 Clouds B2 B2 B2 OV OV OV OV OV B2 B1 SC SC SC SC B1 B1 B1 B2 B2 OV OV OV PoP 12hr 70 70 10 10 20 QPF 12hr 0.20 0.35 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L C C S S S S C Tstms S S Obvis PF PF PF PF PF PF Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 Fri 10/03/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 74 64 72 55 66 55 68 Temp 69 68 72 70 67 64 69 66 60 56 64 61 58 57 66 62 Dewpt 67 65 64 64 62 60 58 56 52 49 49 50 51 52 53 54 PWind dir NE NE NE NE NE NE NE NE Wind char LT GN GN GN GN GN LT GN Avg clouds OV OV OV B2 B2 B1 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 30 30 20 10 5 0 0 5 Rain shwrs C C C C S $$