FOUS51 KLWX 151503 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1103 AM EDT Thu Oct 15 2026 VAZ054-152000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1103 AM EDT Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 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 67 60 83 52 56 Temp 63 63 62 62 62 63 64 71 80 81 72 65 61 56 52 52 55 54 49 Dewpt 54 55 58 60 61 62 63 65 66 66 65 59 55 51 46 40 35 33 32 RH 72 75 87 93 97 97 97 81 62 60 79 81 81 83 80 63 47 45 52 Wind dir NE E E SE SE S S SW SW SW W NW NW N N N N N N Wind spd 9 6 8 9 9 10 13 14 16 17 14 14 14 16 17 18 18 17 12 Wind gust 29 27 29 29 34 33 Clouds OV OV OV OV OV OV OV SC FW CL B2 B2 B2 B2 B1 B1 SC SC FW PoP 12hr 50 30 40 80 10 QPF 12hr 0.05 0.01 0.02 0.24 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C D D L L Tstms S Heat index 82 83 Max heat 82 84 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 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 41 58 44 62 48 66 50 66 Temp 44 41 56 52 46 45 61 57 51 49 65 60 54 51 65 60 Dewpt 30 30 33 37 41 41 44 46 48 46 47 48 49 47 48 48 PWind dir N NE NE NE N N N NE Wind char GN GN GN GN GN GN GN GN Avg clouds FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC FW PoP 12hr 10 10 20 10 10 5 5 5 Rain shwrs S $$ MDZ013-152000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1103 AM EDT Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 66 58 82 49 55 Temp 63 62 60 60 60 61 63 70 80 81 70 63 58 53 49 52 55 53 48 Dewpt 54 55 59 59 60 61 63 67 67 67 66 59 55 51 45 42 37 35 34 RH 72 78 96 96100100100 90 65 63 87 87 90 93 86 69 51 50 58 Wind dir E E E SE SE S S SW SW SW W NW NW N N N N N N Wind spd 4 3 4 4 3 4 6 10 10 10 12 10 9 12 13 14 14 13 9 Wind gust 20 25 20 19 25 25 26 24 19 Clouds B2 OV OV OV OV OV OV SC FW FW B2 B2 B2 B2 B1 SC SC SC SC PoP 12hr 50 40 40 70 5 QPF 12hr 0.04 0.01 0.04 0.22 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S L L C C Tstms S Obvis PF Heat index 82 83 Max heat 82 85 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 40 57 43 61 46 65 48 65 Temp 43 40 55 52 45 44 60 56 49 48 64 59 52 49 64 59 Dewpt 31 31 34 39 41 41 47 49 48 47 50 51 49 47 51 51 PWind dir N NE NE NE N N N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC SC SC B1 SC SC SC SC FW PoP 12hr 5 10 20 10 10 5 5 5 Rain shwrs S $$ MDZ011-152000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1103 AM EDT Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 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 67 60 83 50 57 Temp 64 63 61 61 61 62 64 71 81 81 70 64 59 53 50 53 56 55 49 Dewpt 52 53 55 57 59 61 63 64 66 67 64 57 53 49 43 37 32 30 31 RH 65 70 81 87 93 97 97 79 60 63 81 78 80 86 77 54 40 38 50 Wind dir E E SE SE SE S S SW S SW W NW NW N N N N N N Wind spd 4 3 4 4 4 4 6 9 10 11 12 10 10 12 14 14 16 14 10 Wind gust 24 21 20 24 26 26 27 25 Clouds B2 OV OV OV OV OV OV B1 FW SC B2 B2 B2 B2 B1 SC SC SC FW PoP 12hr 40 40 50 70 5 QPF 12hr 0.05 0.01 0.05 0.17 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C S S L L C C Tstms S S Obvis PF Heat index 83 83 Max heat 83 85 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 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 41 59 44 63 48 66 49 66 Temp 43 41 57 53 46 45 61 57 50 49 65 60 53 50 65 60 Dewpt 30 30 30 36 39 40 40 44 46 45 44 46 47 45 44 46 PWind dir N NE NE NE N N N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC SC SC SC B1 SC SC SC SC FW PoP 12hr 5 5 10 10 10 5 5 5 $$ WVZ052-152000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1103 AM EDT Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 64 56 84 47 53 Temp 61 59 58 58 58 60 62 76 83 79 65 59 56 51 47 51 53 52 46 Dewpt 52 53 55 57 58 59 61 65 64 62 56 52 49 45 40 35 30 29 29 RH 72 80 90 96100 96 97 69 53 56 73 78 77 80 76 54 41 41 51 Wind dir E SE SE SE S S S S SW W NW NW NW N N N N N N Wind spd 4 5 5 6 8 9 9 10 12 13 16 13 13 16 14 14 16 12 8 Wind gust 23 24 24 26 25 26 Clouds OV OV OV OV B2 B1 B1 FW FW B1 B1 B1 B2 B2 B1 SC SC SC FW PoP 12hr 50 30 40 30 5 QPF 12hr 0.05 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S C C C Tstms S Obvis PF Heat index 84 Max heat 84 84 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 34 57 36 61 40 64 42 64 Temp 39 35 56 48 40 38 60 53 45 42 63 56 48 43 63 55 Dewpt 29 29 31 35 35 34 39 43 42 41 44 45 44 42 45 46 PWind dir N NE N NE N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC SC B1 B1 SC SC SC FW FW PoP 12hr 5 5 20 10 10 5 0 5 Rain shwrs S $$ VAZ506-152000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1103 AM EDT Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 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 66 57 82 50 54 Temp 62 60 59 59 59 61 63 72 80 80 67 61 57 53 50 52 54 52 46 Dewpt 56 55 59 59 59 61 63 66 68 67 65 59 54 51 45 42 38 36 34 RH 81 84100100100100100 81 67 65 93 93 90 93 83 69 54 54 63 Wind dir NE E SE SE S S S S S SW W NW NW N N N N N N Wind spd 4 4 3 4 5 8 11 11 12 11 13 12 12 16 17 18 16 14 8 Wind gust 23 23 29 26 Clouds OV OV OV OV OV OV B2 SC FW B1 B2 B2 B2 B2 B1 SC SC FW FW PoP 12hr 50 20 50 60 10 QPF 12hr 0.05 0.01 0.01 0.33 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C L L C C Tstms S S Obvis PF Heat index 83 82 Max heat 83 84 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 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 37 56 39 61 43 64 45 64 Temp 41 37 55 49 42 40 60 54 47 45 63 57 49 46 63 57 Dewpt 32 31 37 39 40 39 47 49 47 45 51 52 49 46 52 52 PWind dir N NE NE NE N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC FW PoP 12hr 5 10 20 20 10 5 5 5 Rain shwrs S S $$ VAZ037-152000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1103 AM EDT Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 58 83 51 55 Temp 62 61 60 60 60 61 61 72 82 81 70 63 59 54 51 52 55 53 46 Dewpt 59 59 60 60 60 61 61 67 66 64 63 57 54 52 47 41 36 34 34 RH 90 93100100100100100 84 58 56 78 81 83 93 86 66 49 48 63 Wind dir NE NE NE N N S S S SW SW W NW NW N N N N N N Wind spd 6 4 1 0 0 3 6 8 11 10 10 11 10 11 13 13 12 12 8 Wind gust 21 20 23 25 25 26 27 26 24 24 Clouds OV OV OV OV OV B2 SC FW CL FW B1 B2 B2 B2 B1 SC FW FW FW PoP 12hr 60 20 5 50 20 QPF 12hr 0.05 0.01 0 0.23 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C C C S S Obvis PF Heat index 84 83 Max heat 84 85 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 37 56 38 61 43 66 45 65 Temp 40 37 55 48 41 40 60 53 46 44 65 57 49 46 64 57 Dewpt 33 31 32 36 37 36 43 45 45 44 47 48 48 46 48 49 PWind dir N NE N NE N NE N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC FW FW SC SC SC SC SC SC FW FW PoP 12hr 10 10 10 10 10 0 0 5 $$ MDZ003-152000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1103 AM EDT Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 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 64 56 83 47 53 Temp 62 60 58 58 58 60 62 72 81 78 64 59 55 50 47 50 53 51 45 Dewpt 52 53 57 57 58 60 62 65 65 64 58 53 50 45 40 37 33 31 30 RH 70 78 96 96100100100 79 58 62 81 80 83 83 76 61 46 46 55 Wind dir SE S SE S S S S S SW W NW NW NW N N N N N N Wind spd 3 4 5 6 9 11 10 10 13 14 16 13 12 17 16 17 16 12 6 Clouds OV OV OV OV OV B2 B1 SC FW B1 B2 B1 B2 B2 B1 SC FW SC FW PoP 12hr 40 40 50 20 0 QPF 12hr 0.02 0 0.07 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C S C S S S S Tstms S Obvis PF Heat index 83 Max heat 83 84 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 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 35 56 37 61 41 64 43 64 Temp 39 36 55 49 41 39 60 53 45 43 63 56 48 44 63 56 Dewpt 29 29 35 36 35 35 43 46 44 42 48 48 45 43 48 49 PWind dir N E E E N N N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC SC SC SC SC SC SC FW FW PoP 12hr 0 5 10 10 10 5 0 5 $$ MDZ017-152000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1103 AM EDT Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 68 61 85 52 59 Temp 65 63 61 62 63 65 66 73 83 83 75 67 61 56 53 55 58 57 52 Dewpt 57 58 61 62 63 65 65 67 66 67 66 63 57 53 50 46 42 40 39 RH 75 84100100100100 97 81 57 59 74 87 87 90 89 72 55 53 61 Wind dir NE E E E SE S SW SW SW S SW NW NW NW N N N N N Wind spd 6 6 5 5 5 6 8 11 11 10 11 11 13 14 19 20 21 20 17 Wind gust 27 Clouds OV OV OV B2 OV OV B2 FW FW CL OV OV OV B2 B2 B1 SC SC SC PoP 12hr 60 40 5 80 40 QPF 12hr 0.04 0.05 0 0.23 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C D D D D C C Heat index 85 86 Max heat 85 87 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 59 49 63 51 65 53 65 Temp 49 46 57 55 53 51 60 59 55 53 63 60 57 53 63 60 Dewpt 36 36 39 43 45 46 49 52 51 51 52 54 52 51 52 54 PWind dir N NE NE NE N N N N Wind char BZ GN LT LT LT LT LT GN Avg clouds SC FW FW FW FW SC SC FW SC SC B1 SC SC SC SC FW PoP 12hr 10 10 20 20 10 5 5 5 Rain shwrs S S S S $$ WVZ502-152000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1103 AM EDT Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 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 65 61 84 42 53 Temp 64 65 62 62 63 66 66 78 82 77 61 55 51 45 42 48 53 52 44 Dewpt 62 62 62 62 63 64 64 64 60 60 57 52 49 45 39 39 35 33 33 RH 93 90100100100 93 93 62 47 56 87 90 93100 89 71 50 48 65 Wind dir NE NE NE SE SE S S SW W W NW NW NW N N N N N N Wind spd 2 2 3 3 5 8 6 12 14 12 12 11 10 11 10 12 12 10 5 Wind gust 17 19 19 24 26 23 25 25 21 21 21 24 16 Clouds OV OV OV B1 B1 FW FW CL FW B1 B1 B1 B2 B2 B2 SC SC FW FW PoP 12hr 50 20 50 50 10 QPF 12hr 0.06 0.01 0.07 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C C Obvis PF Heat index 82 Max heat 83 83 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 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 32 58 35 64 38 66 39 65 Temp 37 33 57 48 39 36 62 53 43 40 64 54 45 40 63 54 Dewpt 30 27 33 37 33 31 42 45 41 38 45 47 44 40 47 48 PWind dir N E SW NE W N N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC SC B1 B1 SC SC SC FW FW PoP 12hr 5 5 20 10 10 5 0 0 Rain shwrs S $$ MDZ014-152000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1103 AM EDT Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 65 59 81 51 57 Temp 63 63 60 59 60 62 64 72 80 81 71 64 59 54 51 54 57 56 51 Dewpt 53 56 58 59 60 62 64 65 67 67 66 61 55 52 47 42 38 35 36 RH 70 78 93100100100100 79 65 63 84 90 87 93 86 64 49 45 56 Wind dir NE E E SE SE S S SW S S W NW NW NW N N N N N Wind spd 6 6 6 5 5 6 9 11 12 12 11 10 11 13 14 17 18 17 13 Wind gust 25 27 Clouds OV OV OV OV OV OV OV SC FW FW B2 B2 B2 B2 B2 SC SC SC FW PoP 12hr 50 40 40 80 10 QPF 12hr 0.04 0.01 0 0.22 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C S D D L L Tstms S Obvis PF Heat index 82 83 Max heat 82 83 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 45 57 46 61 49 65 51 64 Temp 47 45 57 53 49 47 60 56 52 50 64 59 54 51 63 59 Dewpt 34 35 35 41 43 44 48 50 49 49 52 52 50 49 52 53 PWind dir N NE NE NE N N N NE Wind char GN GN LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC FW SC SC SC B1 SC SC SC SC FW PoP 12hr 10 10 20 20 10 5 5 5 Rain shwrs S S $$