Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
262 FOUS51 KLWX 171736 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 136 PM EDT Fri Oct 17 2025 VAZ054-172000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 136 PM EDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 65 50 72 57 77 Temp 63 65 59 55 52 51 51 62 70 71 64 60 58 57 59 70 76 75 69 Dewpt 35 36 36 37 38 38 40 42 44 47 50 52 54 54 55 57 56 55 57 RH 35 34 42 51 59 61 66 48 39 42 60 75 86 90 87 63 50 50 66 Wind dir N NW NW N SW N SE S S S SE SE S S S S S S S Wind spd 10 8 3 0 1 1 2 6 9 10 9 10 10 11 12 17 20 23 18 Wind gust 32 35 Clouds CL CL FW SC FW SC SC B2 B1 FW CL FW SC SC SC SC B1 B2 B2 PoP 12hr 0 5 5 0 40 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 54 66 49 70 50 62 47 63 Temp 61 55 64 60 53 51 68 61 56 51 60 54 50 48 61 57 Dewpt 54 47 43 42 42 43 44 47 45 41 39 39 40 40 40 42 PWind dir SW W SW SW W W W W Wind char BZ BZ GN BZ BZ BZ GN GN Avg clouds B2 B1 SC FW CL FW FW SC SC SC FW SC FW FW FW SC PoP 12hr 80 20 5 10 20 5 0 5 Rain shwrs D C S S S $$ MDZ013-172000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 136 PM EDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 64 42 69 54 76 Temp 62 63 55 51 48 47 45 60 67 67 59 56 55 54 56 69 75 73 67 Dewpt 38 39 36 37 37 37 40 43 45 48 52 53 53 53 55 59 60 59 60 RH 41 41 49 59 65 68 82 53 45 50 78 90 93 96 96 70 60 62 78 Wind dir NW NW NW NW NW NW N SE S SE S S S S S S S S S Wind spd 8 5 2 1 1 1 1 2 5 6 4 4 3 4 5 10 13 13 11 Wind gust 20 26 28 26 Clouds FW CL CL FW FW SC SC B1 B1 FW CL FW FW SC SC SC B1 B1 B2 PoP 12hr 0 5 5 0 40 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 65 46 70 48 61 45 63 Temp 58 51 63 58 50 49 68 60 53 48 59 53 47 45 61 56 Dewpt 54 48 48 45 42 43 48 49 46 42 43 43 41 41 43 44 PWind dir SW W W SW W W W W Wind char GN GN LT GN LT GN LT LT Avg clouds B2 B1 SC FW CL FW FW SC SC SC FW SC FW FW FW SC PoP 12hr 80 20 5 10 20 5 0 5 Rain shwrs D C S S S $$ MDZ011-172000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 136 PM EDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 66 51 71 58 77 Temp 64 66 60 56 53 52 52 62 69 69 61 61 59 58 60 70 76 75 68 Dewpt 35 35 36 37 37 37 39 41 43 46 49 51 53 53 54 56 57 56 57 RH 34 32 41 49 54 56 61 46 39 44 65 70 80 83 81 61 52 52 68 Wind dir NW NW N N NW N N SE SE SE S S S S S S S S S Wind spd 8 6 2 1 1 0 0 2 5 8 5 4 3 4 5 12 14 16 13 Wind gust 26 29 26 Clouds FW CL FW FW FW SC SC B1 B1 FW CL FW SC SC SC SC B1 B2 B2 PoP 12hr 0 5 5 0 40 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 56 68 50 71 51 63 48 64 Temp 62 56 65 61 54 52 69 61 57 51 61 55 52 48 62 57 Dewpt 53 47 45 42 42 41 44 46 45 41 40 40 40 39 39 41 PWind dir SW W W SW W W W W Wind char GN GN LT GN LT GN LT LT Avg clouds B2 B1 SC FW CL FW FW SC SC SC FW SC FW FW FW SC PoP 12hr 80 20 5 10 20 5 0 5 Rain shwrs D C S S S $$ WVZ052-172000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 136 PM EDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 66 40 73 49 77 Temp 63 66 57 49 46 44 43 59 71 72 62 55 52 50 52 68 76 74 65 Dewpt 35 34 35 36 36 37 39 40 43 46 46 49 50 50 52 56 55 54 54 RH 35 30 43 61 68 76 86 49 36 39 56 80 93100100 65 48 50 68 Wind dir NW N S N N N N SE S SE SE SE SE SE SE S S S S Wind spd 6 4 1 0 0 0 0 2 5 8 5 4 2 4 5 12 18 18 13 Wind gust 23 34 34 26 Clouds CL CL FW FW SC B1 B2 B1 SC FW FW FW SC SC B1 SC B2 B2 B2 PoP 12hr 0 5 5 5 60 QPF 12hr 0 0 0 0 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 65 38 69 43 59 40 62 Temp 54 50 63 56 45 42 67 56 48 44 57 50 45 41 60 55 Dewpt 48 44 40 38 38 37 42 42 41 38 38 37 37 37 38 39 PWind dir SW W SW SW W W W W Wind char GN GN LT GN LT GN LT LT Avg clouds B2 B1 SC FW FW FW FW SC SC SC SC SC FW FW SC SC PoP 12hr 70 20 5 20 20 5 5 5 Rain shwrs L C S S S S $$ VAZ506-172000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 136 PM EDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 64 40 72 54 77 Temp 62 64 56 49 47 46 44 60 70 70 62 58 55 54 56 70 76 74 68 Dewpt 39 39 35 36 36 36 39 43 46 49 52 53 54 54 56 60 60 57 59 RH 43 40 45 61 65 68 82 53 42 47 70 83 96100100 71 58 55 73 Wind dir NW NW NE SW SW N SE S S S SE S S S S S S S S Wind spd 8 5 2 1 1 1 2 4 6 6 5 5 5 6 9 14 18 18 12 Wind gust 25 35 34 25 Clouds CL CL FW FW FW SC B1 B2 SC FW CL FW SC SC SC B1 B1 B2 B2 PoP 12hr 0 5 5 5 40 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 50 66 43 70 46 61 42 63 Temp 56 50 64 57 48 45 68 60 51 46 59 52 46 43 61 56 Dewpt 53 46 45 43 42 41 47 47 45 40 41 41 40 40 42 43 PWind dir SW W SW SW W W W W Wind char GN GN LT GN LT GN LT LT Avg clouds B2 B1 SC FW CL FW FW SC SC SC FW SC FW FW SC SC PoP 12hr 70 10 5 10 20 0 0 5 Rain shwrs L C S S $$ VAZ037-172000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 136 PM EDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 68 45 76 52 76 Temp 66 67 57 52 48 47 47 61 73 75 66 58 54 53 54 69 75 73 64 Dewpt 33 34 35 35 36 37 39 44 47 50 51 54 54 53 53 56 55 54 55 RH 29 29 43 52 63 68 74 53 40 41 58 86100100 96 63 50 51 73 Wind dir N E S S SW SW SW S S S S S S S S S S S S Wind spd 2 2 1 1 1 1 1 3 5 6 3 2 2 4 6 13 17 16 11 Wind gust 25 32 31 26 Clouds FW FW FW FW SC B1 B1 SC FW FW CL FW SC SC B1 B1 B1 B2 B2 PoP 12hr 0 5 5 0 50 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 68 41 72 44 63 39 65 Temp 54 50 65 58 47 44 70 59 51 44 61 51 44 40 63 56 Dewpt 46 42 39 38 38 38 42 42 41 37 36 36 37 37 38 40 PWind dir SW W SW SW W W W SW Wind char GN GN LT GN LT GN LT LT Avg clouds B2 SC FW CL CL FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 60 5 5 5 10 0 0 5 Rain shwrs L S $$ MDZ003-172000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 136 PM EDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 65 45 72 52 76 Temp 62 63 54 49 47 46 47 59 69 71 61 55 54 52 54 68 75 74 66 Dewpt 38 38 36 36 36 36 38 42 44 46 48 50 51 51 53 59 60 56 56 RH 41 39 50 61 65 68 71 53 40 41 62 83 90 96 96 73 60 53 70 Wind dir NW N E E E E SE S S S SE SE SE SE SE S S S S Wind spd 6 5 2 1 1 1 2 3 5 8 5 5 4 5 5 13 19 19 14 Wind gust 32 32 27 Clouds FW CL FW FW SC B1 B1 B2 SC FW FW FW SC SC B1 B1 B2 B2 B2 PoP 12hr 0 5 5 5 60 QPF 12hr 0 0 0 0 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 65 40 68 43 58 40 61 Temp 54 49 62 56 46 44 66 56 48 44 56 50 44 41 58 54 Dewpt 52 46 45 41 40 39 46 45 43 39 41 41 40 39 41 41 PWind dir SW W SW SW W W W W Wind char GN GN LT GN LT GN LT GN Avg clouds B2 B1 SC FW FW FW FW SC SC SC SC SC FW FW SC SC PoP 12hr 70 20 5 20 20 10 5 10 Rain shwrs L C S S S S $$ MDZ017-172000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 136 PM EDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 64 48 68 58 74 Temp 62 64 58 54 52 51 51 62 67 66 62 61 60 58 60 69 73 72 68 Dewpt 38 40 40 42 43 43 45 45 46 50 52 54 54 54 56 58 59 59 60 RH 41 41 51 64 71 74 80 54 47 56 70 78 81 86 87 68 62 64 76 Wind dir N N NW W W W W S S SE S S S S S S S S S Wind spd 10 8 3 3 3 3 2 4 6 9 9 9 10 10 10 13 16 17 16 Wind gust 26 Clouds CL CL FW FW CL FW SC B2 B2 FW FW CL FW SC SC SC SC B1 B2 PoP 12hr 0 5 5 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S D Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 68 49 71 51 63 48 64 Temp 60 54 65 61 54 53 69 62 56 51 62 56 51 49 61 57 Dewpt 55 48 48 46 45 46 49 51 49 45 42 43 42 43 43 46 PWind dir SW W W SW W W NW W Wind char GN GN GN GN GN GN GN LT Avg clouds B2 B1 FW FW CL CL FW FW SC SC FW FW FW FW FW SC PoP 12hr 80 10 5 5 20 5 0 5 Rain shwrs D C S $$ WVZ502-172000- Petersburg WV 38.99N 79.15W Elev. 963 ft 136 PM EDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 37 81 51 78 Temp 65 69 58 48 46 44 41 64 79 79 64 57 54 52 53 70 77 73 60 Dewpt 35 37 36 35 35 36 36 42 44 50 51 52 52 52 52 58 56 56 54 RH 33 31 44 60 65 73 82 45 29 36 63 83 93100 96 66 48 55 81 Wind dir NE NE NE N SW SW S SE SE SE S S S S S S S S SW Wind spd 2 2 1 1 2 2 2 2 3 4 3 4 3 4 5 12 18 17 12 Wind gust 29 28 28 Clouds FW FW SC SC SC B1 B2 B1 SC FW FW SC SC B1 B1 B1 B2 B2 B2 PoP 12hr 0 0 5 5 80 QPF 12hr 0 0 0 0 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S D D L Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 65 37 71 39 58 35 65 Temp 47 43 62 55 43 41 69 55 43 39 56 48 40 36 62 55 Dewpt 44 40 40 39 36 33 44 43 38 34 38 39 37 35 37 40 PWind dir W W SW SW W W W W Wind char GN GN LT GN LT GN LT LT Avg clouds B2 B1 SC FW FW FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 10 5 20 20 5 5 10 Rain shwrs L C S S $$ MDZ014-172000- Annapolis MD 38.99N 76.49W Elev. 7 ft 136 PM EDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 63 50 67 57 73 Temp 61 63 58 54 52 51 52 61 65 65 61 60 59 58 60 68 72 71 67 Dewpt 37 39 40 41 41 41 44 45 47 49 52 54 55 56 56 58 59 59 59 RH 41 41 51 61 66 68 74 56 52 56 72 81 87 93 87 70 64 66 75 Wind dir N N N NW N N NW S S S S S S S S S S S S Wind spd 10 9 3 1 0 0 1 4 9 10 8 8 6 8 9 12 17 16 12 Wind gust 27 26 Clouds FW CL CL FW FW FW SC B1 B2 FW CL FW FW SC SC SC B1 B2 OV PoP 12hr 0 5 5 0 30 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 65 49 68 51 60 48 62 Temp 61 55 63 60 54 53 66 61 56 52 59 55 51 49 60 57 Dewpt 56 49 47 45 45 46 48 50 48 44 42 43 43 43 42 45 PWind dir SW W W SW W W W W Wind char GN GN LT GN GN GN LT GN Avg clouds OV B1 SC FW CL CL FW SC B1 SC FW SC FW FW FW SC PoP 12hr 80 20 5 10 30 5 5 5 Rain shwrs D C S C S $$