Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
644 FOUS51 KLWX 150538 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 AM EDT Wed Oct 15 2025 VAZ054-152000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 AM EDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 48 64 45 65 Temp 58 57 67 71 70 62 58 54 50 48 57 62 63 58 54 50 47 46 56 62 64 59 Dewpt 52 51 52 51 47 45 43 40 37 37 36 34 33 33 34 34 33 34 35 35 36 38 RH 80 80 59 49 44 54 57 59 61 65 45 35 32 39 46 54 58 63 45 36 35 45 Wind dir N N N N N N N N N N N N N N N N N NW N N N N Wind spd 11 10 12 13 14 11 12 13 12 11 14 16 16 11 11 11 11 10 10 10 9 4 Clouds FW SC SC SC FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 47 69 55 73 55 67 51 68 Temp 51 49 67 63 57 56 71 66 61 55 65 59 55 51 66 60 Dewpt 40 40 43 48 50 51 53 55 55 52 49 48 46 45 46 47 PWind dir W S S S SW W NW NW Wind char LT LT GN BZ BZ BZ BZ GN Avg clouds FW SC SC SC SC B1 B1 B1 B2 B2 B1 SC SC SC FW FW PoP 12hr 0 0 5 30 70 30 20 10 Rain shwrs C L L C S S $$ MDZ013-152000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 AM EDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 44 63 41 64 Temp 54 54 64 69 68 59 54 49 46 45 55 61 63 55 49 46 42 42 55 61 63 56 Dewpt 51 52 55 53 50 48 42 38 37 37 38 36 36 36 35 33 33 34 37 38 39 42 RH 90 93 73 57 52 67 64 66 71 73 53 39 36 49 58 60 70 73 51 42 41 59 Wind dir N NW N N N N N N N NW N N N N N N N NW N N N N Wind spd 5 5 10 10 10 6 8 8 6 6 10 11 10 6 6 5 5 5 8 8 5 2 Wind gust 18 19 20 17 16 Clouds FW SC SC SC FW CL CL CL FW CL CL CL CL CL CL CL CL CL CL CL CL FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 44 67 53 72 53 66 49 66 Temp 47 46 65 60 54 54 70 64 57 53 64 57 51 51 65 58 Dewpt 40 40 45 50 51 51 58 58 56 53 52 50 46 46 50 50 PWind dir NW S S S SW W NW NW Wind char LT LT LT GN LT GN LT LT Avg clouds FW FW SC SC SC B1 B1 B1 B2 B2 B1 SC SC SC FW FW PoP 12hr 0 0 5 30 70 30 20 10 Rain shwrs C L L C S S $$ MDZ011-152000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 AM EDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 48 64 45 66 Temp 58 57 66 69 69 62 57 53 50 48 57 62 63 57 54 50 47 46 57 63 65 60 Dewpt 51 50 51 48 44 43 39 37 37 36 34 32 31 31 32 32 33 33 33 34 34 37 RH 77 77 58 47 40 50 51 54 61 63 42 32 30 37 43 50 58 60 40 34 31 42 Wind dir N N N N N N N N N NW N N N N N N N N N N N N Wind spd 6 6 10 11 11 8 9 9 8 6 11 13 13 9 8 6 6 5 9 8 6 3 Wind gust 19 19 18 Clouds FW SC SC SC FW CL CL CL FW CL CL CL CL CL CL CL CL CL CL CL FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 48 69 55 73 56 69 53 68 Temp 52 48 67 63 58 56 71 67 62 56 67 62 57 53 66 62 Dewpt 39 39 42 46 49 50 53 55 54 52 49 48 46 44 47 47 PWind dir NW S S S SW W NW NW Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW SC SC SC B1 B1 B1 B2 B2 B1 SC SC SC FW FW PoP 12hr 0 0 5 30 70 30 20 10 Rain shwrs C L L C C S $$ WVZ052-152000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 AM EDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 41 64 36 65 Temp 51 51 64 70 69 59 53 48 43 43 55 62 63 54 46 43 39 37 54 63 65 55 Dewpt 48 48 50 46 44 43 41 38 35 34 34 31 31 32 34 32 31 32 35 34 33 36 RH 89 89 60 42 40 55 64 68 73 70 45 31 30 43 63 65 73 82 48 34 30 49 Wind dir NW NW N N NW NW N N NW NW N N N NW NW NW NW NW N N N NE Wind spd 6 6 10 10 11 8 8 6 8 8 10 11 11 6 5 5 5 4 5 5 4 1 Clouds FW SC SC SC CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 39 71 47 73 48 66 43 67 Temp 43 41 68 61 51 49 71 62 54 49 64 55 49 44 65 56 Dewpt 36 37 42 45 47 47 53 53 51 47 45 43 41 41 43 43 PWind dir W SE SE S SW W W NW Wind char LT LT LT GN GN GN LT GN Avg clouds FW SC SC SC SC B1 B1 B1 B2 B1 SC SC SC SC FW FW PoP 12hr 0 0 10 50 70 30 20 10 Rain shwrs S C L C C S S $$ VAZ506-152000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 AM EDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 43 64 38 65 Temp 53 53 66 70 69 60 54 49 45 43 55 62 61 53 48 43 40 39 55 62 63 55 Dewpt 51 52 55 53 49 48 44 41 38 38 39 37 35 35 36 35 33 34 38 38 38 40 RH 93 96 68 55 49 64 69 74 76 82 55 39 38 50 63 73 76 82 53 41 39 57 Wind dir NW NW N N N N N N N NW N N N N N N NW NW N N N N Wind spd 6 8 10 12 11 8 8 6 6 8 11 12 12 6 5 5 5 5 6 6 5 2 Clouds FW SC SC SC CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 42 70 52 73 51 66 46 68 Temp 45 44 68 62 53 53 71 63 56 51 64 57 49 47 66 58 Dewpt 40 40 47 49 51 51 58 58 55 51 50 48 45 43 49 49 PWind dir W S S S SW NW NW NW Wind char LT LT LT GN GN GN LT GN Avg clouds FW SC SC SC SC B1 B1 B1 B2 B2 SC SC SC SC FW FW PoP 12hr 0 0 5 30 70 20 10 10 Rain shwrs C L C S S $$ VAZ037-152000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 AM EDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 45 68 39 67 Temp 54 52 67 74 73 63 57 52 47 45 58 65 67 58 49 45 41 40 56 64 66 57 Dewpt 50 49 52 49 46 44 44 43 40 38 34 30 31 32 35 35 34 34 35 34 35 37 RH 86 89 59 41 38 50 62 71 76 76 40 27 26 37 58 68 76 79 45 32 32 47 Wind dir N NW N N N N N N N NW N N N N NW NW NW NW N N NE E Wind spd 5 5 6 8 9 8 6 5 5 5 8 9 9 5 5 4 3 3 2 3 2 1 Clouds CL FW FW FW CL CL CL CL FW CL CL CL CL CL CL CL FW CL CL CL FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 72 50 73 49 69 45 70 Temp 45 44 70 63 54 52 71 62 55 49 67 57 50 46 68 58 Dewpt 38 40 46 49 50 50 54 53 52 47 44 42 41 41 43 44 PWind dir W S S S SW W W W Wind char LT LT LT GN LT GN LT LT Avg clouds SC B1 SC FW SC B1 B1 B1 B2 B1 SC FW FW FW FW FW PoP 12hr 0 0 5 30 60 20 10 5 Rain shwrs S C L C S $$ MDZ003-152000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 AM EDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 70 40 63 34 66 Temp 49 49 63 68 68 57 52 47 42 41 55 61 62 53 44 40 37 36 54 63 64 54 Dewpt 49 49 53 49 45 44 41 39 36 36 36 33 33 33 34 32 31 33 36 36 36 39 RH 100100 70 51 43 62 66 74 79 82 49 35 33 46 68 73 79 89 50 36 35 57 Wind dir N N N N N N N N N NW N N N N N N NW NW N N N NE Wind spd 5 5 10 10 12 8 8 6 6 6 11 12 12 6 5 5 4 4 5 5 5 2 Clouds FW SC SC SC FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW CL FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 41 69 48 71 49 65 45 66 Temp 43 43 67 60 52 50 69 62 55 50 63 55 49 46 64 56 Dewpt 38 38 44 47 48 49 57 55 53 49 49 46 44 43 48 47 PWind dir NE SE SE S SW W NW NW Wind char LT LT LT GN GN GN LT GN Avg clouds FW SC SC SC SC B1 B1 B1 B2 B1 B1 B1 SC SC FW FW PoP 12hr 0 0 10 50 70 30 20 10 Rain shwrs S C L C C C S $$ MDZ017-152000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 AM EDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 50 63 48 63 Temp 59 59 65 69 70 64 60 55 52 51 57 61 63 58 55 52 49 48 56 60 62 57 Dewpt 55 55 56 56 54 50 47 43 41 41 40 38 38 38 39 38 37 39 40 39 40 42 RH 87 87 73 63 57 60 62 64 66 68 53 42 39 47 55 59 63 71 55 46 44 57 Wind dir N N N N N N N N N N N N N N N N N N N N N N Wind spd 10 10 11 11 12 11 13 14 13 12 13 13 13 12 13 13 12 10 11 10 8 5 Clouds B1 B1 SC SC FW FW CL CL CL FW CL CL CL CL CL CL CL CL CL CL CL FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 67 56 73 55 68 53 68 Temp 51 51 65 61 59 58 71 66 60 56 66 59 55 55 66 59 Dewpt 43 44 45 51 52 53 57 58 57 55 52 50 48 48 51 50 PWind dir NW S S S SW W W NW Wind char LT LT GN GN GN GN GN GN Avg clouds FW SC SC SC FW SC B1 B1 B2 B2 B1 SC SC FW FW FW PoP 12hr 0 0 5 20 70 30 10 5 Rain shwrs S L L C S $$ WVZ502-152000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 AM EDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 37 67 31 71 Temp 46 45 63 71 71 57 51 44 39 37 55 65 64 51 44 38 34 33 54 67 69 56 Dewpt 46 45 52 47 45 46 44 40 35 32 33 31 33 35 36 34 31 30 35 34 36 39 RH 100100 67 42 39 67 77 86 85 82 43 28 31 54 73 85 89 89 48 29 30 53 Wind dir W W N N NW S N N NW NW N N N NW NW NW NW W N N N NW Wind spd 2 2 4 9 10 5 5 3 3 2 5 10 10 5 3 2 2 2 2 3 3 2 Clouds CL SC FW SC CL CL FW CL FW CL CL CL CL CL CL CL FW CL CL FW 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 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 39 79 49 74 43 66 40 69 Temp 43 41 76 65 53 50 72 60 48 43 63 54 44 41 67 56 Dewpt 36 35 44 51 51 50 56 53 47 43 44 42 39 39 43 45 PWind dir SW S S S W W W W Wind char LT LT LT GN LT GN LT LT Avg clouds SC B1 SC FW SC B1 B1 B2 B2 B1 SC SC FW SC FW FW PoP 12hr 0 0 10 50 60 20 10 10 Rain shwrs C C L C S $$ MDZ014-152000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 AM EDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 48 62 46 63 Temp 58 57 65 68 67 62 57 54 50 48 56 60 62 57 54 51 47 47 56 61 63 58 Dewpt 54 53 53 52 49 48 44 41 40 39 37 36 36 36 38 36 36 37 37 37 38 42 RH 86 86 65 57 52 60 62 61 68 71 49 41 38 45 54 56 65 68 49 41 39 55 Wind dir N N N N N N N N N N N N N N N N N N N N N N Wind spd 9 8 10 13 12 10 11 11 10 9 12 13 13 10 10 10 10 9 10 10 8 5 Clouds SC SC SC SC FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 66 55 70 56 66 53 66 Temp 51 50 64 61 58 57 68 65 61 56 64 59 56 53 64 61 Dewpt 43 43 45 50 52 52 56 57 56 54 52 50 49 48 49 50 PWind dir NW S S S SW W W NW Wind char LT LT LT GN GN GN GN GN Avg clouds FW FW SC SC SC SC B1 B1 B2 B2 B1 SC SC SC FW FW PoP 12hr 0 0 5 30 70 30 20 10 Rain shwrs C L L C S S $$