Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
393 FOUS51 KLWX 120537 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 137 AM EDT Fri Sep 12 2025 VAZ054-122000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 137 AM EDT Fri Sep 12 2025 Date Fri 09/12/25 Sat 09/13/25 Sun 09/14/25 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 83 62 84 63 87 Temp 63 63 75 81 81 73 69 66 63 63 75 82 83 76 70 67 65 64 77 84 85 79 Dewpt 58 57 55 52 51 53 57 59 58 58 55 53 53 56 59 59 58 58 59 57 56 59 RH 84 81 50 37 35 49 66 78 84 84 50 37 36 50 68 75 78 81 54 40 37 50 Wind dir N N NE NE E E SE S S S S S S S S S SW SW SW SW S SE Wind spd 8 9 9 10 10 8 8 5 4 4 5 6 9 11 8 6 5 5 4 4 5 8 Clouds SC FW CL FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 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 84 63 81 62 79 63 80 Temp 69 66 82 75 67 64 79 73 65 64 77 72 66 64 77 74 Dewpt 61 60 58 60 63 62 58 58 61 59 57 57 61 61 59 59 PWind dir SE E E E E NE E E Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC SC B1 B1 B1 SC B1 B1 SC B1 B1 B1 B1 PoP 12hr 0 0 5 10 10 10 10 20 Rain shwrs S $$ MDZ013-122000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 137 AM EDT Fri Sep 12 2025 Date Fri 09/12/25 Sat 09/13/25 Sun 09/14/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 59 81 61 85 Temp 60 61 74 79 79 71 65 62 61 61 75 81 79 72 67 63 61 63 77 84 82 74 Dewpt 57 57 57 55 55 58 60 60 59 60 58 55 57 59 60 60 58 60 61 61 61 64 RH 90 87 55 44 44 63 84 93 93 97 55 41 47 64 78 90 90 90 58 46 49 71 Wind dir NW N NE E E SE SE S W SW S S S S S SW SW SW SW S SE SE Wind spd 2 3 4 5 4 2 2 2 1 1 2 4 5 4 4 3 2 2 3 4 5 3 Clouds FW CL CL FW FW FW FW FW FW SC FW FW FW FW FW SC SC FW FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 84 83 Max heat 81 81 81 84 84 Date Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 82 61 79 59 78 61 79 Temp 65 65 80 73 63 63 77 71 62 62 76 70 63 63 77 72 Dewpt 62 62 63 63 63 63 61 62 61 62 61 61 62 62 63 63 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC B1 B1 B1 SC B1 B1 SC B1 B1 SC SC PoP 12hr 0 0 5 5 10 10 10 10 $$ MDZ011-122000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 137 AM EDT Fri Sep 12 2025 Date Fri 09/12/25 Sat 09/13/25 Sun 09/14/25 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 84 64 84 65 87 Temp 66 64 77 81 83 77 72 68 66 64 77 81 83 78 73 70 67 66 79 84 86 81 Dewpt 55 55 54 53 52 53 57 58 58 58 55 53 54 55 57 58 58 58 58 57 57 59 RH 68 73 45 38 34 43 59 70 75 81 47 38 37 45 57 66 73 75 49 40 37 47 Wind dir NW N E E E SE SE S NW NE S S S S S SW SW SW SW S S SE Wind spd 2 3 4 4 4 2 2 1 1 1 2 5 5 4 3 3 2 2 2 4 5 3 Clouds FW CL CL FW SC FW FW FW FW FW FW FW SC FW FW SC FW FW FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 80 82 80 82 83 85 Date Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 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 85 65 82 64 81 65 82 Temp 72 67 83 77 70 66 80 76 67 65 79 74 69 65 79 76 Dewpt 60 59 59 60 62 61 57 57 60 59 57 57 60 60 59 58 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC B1 B1 B1 SC B1 B1 SC SC B1 B1 SC PoP 12hr 0 0 0 5 10 10 10 10 $$ WVZ052-122000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 137 AM EDT Fri Sep 12 2025 Date Fri 09/12/25 Sat 09/13/25 Sun 09/14/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 54 85 56 86 Temp 55 56 75 81 82 74 63 59 56 56 75 83 84 76 66 61 57 59 77 84 85 77 Dewpt 52 52 51 50 49 51 54 54 53 53 53 49 49 52 54 55 54 55 56 54 53 56 RH 90 86 43 34 32 44 72 83 90 90 46 31 30 43 65 81 90 87 48 36 33 48 Wind dir N N N NE E SE S S SW N S S S S S SW SW W NW NW NW NE Wind spd 2 2 3 4 4 2 2 2 1 0 2 3 3 4 3 2 2 2 2 4 4 2 Clouds FW CL CL FW FW FW CL FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 85 58 83 55 81 55 80 Temp 63 61 83 74 63 61 81 71 60 59 78 70 59 58 79 70 Dewpt 57 57 56 56 58 58 56 55 55 56 55 55 55 56 57 56 PWind dir N E SE SE SE E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC B1 SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 5 10 10 10 $$ VAZ506-122000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 137 AM EDT Fri Sep 12 2025 Date Fri 09/12/25 Sat 09/13/25 Sun 09/14/25 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 83 57 84 60 86 Temp 58 58 75 81 81 72 65 61 58 59 75 82 83 75 67 64 62 61 77 85 84 76 Dewpt 58 58 57 54 54 56 57 58 57 58 56 54 55 58 59 59 58 60 61 59 58 61 RH 100100 54 39 39 57 75 90 96 96 52 38 38 55 75 84 87 97 58 41 41 60 Wind dir NW N N NE E SE S S S S S S S S S S SW SW W NW NW NE Wind spd 3 4 4 5 5 4 2 2 1 1 2 3 4 5 5 4 3 2 3 3 4 3 Clouds SC FW CL FW SC FW FW FW FW FW FW FW FW FW FW SC SC FW FW 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 Heat index 81 81 85 84 Max heat 81 82 81 83 85 85 Date Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 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 85 60 81 58 78 58 79 Temp 64 64 83 74 63 62 79 71 61 60 76 70 61 61 77 72 Dewpt 61 61 61 61 62 62 61 59 61 60 60 59 60 61 63 62 PWind dir E E SE E E NE NE E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC B1 B1 SC PoP 12hr 0 0 0 5 10 10 10 10 $$ VAZ037-122000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 137 AM EDT Fri Sep 12 2025 Date Fri 09/12/25 Sat 09/13/25 Sun 09/14/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 55 82 57 85 Temp 58 58 75 80 79 69 62 59 56 57 74 81 80 70 64 60 58 59 77 84 83 73 Dewpt 57 57 55 52 51 53 55 54 54 55 53 51 53 54 56 56 55 56 58 56 56 59 RH 96 96 50 38 38 57 78 83 93 93 48 35 39 57 75 87 90 90 52 38 40 62 Wind dir NW N NE NE NE E N NW W W S S SE SE S SW W W W E E S Wind spd 2 3 4 6 6 3 1 1 1 2 2 3 4 3 2 2 2 2 1 3 3 2 Clouds FW FW CL FW FW CL FW FW FW CL CL FW FW FW FW SC SC FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 80 Max heat 80 80 80 81 83 84 Date Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 83 59 79 57 78 58 79 Temp 63 62 81 72 62 61 77 69 60 59 76 68 62 59 76 71 Dewpt 58 58 58 59 59 59 58 58 58 58 57 58 58 59 60 60 PWind dir W E NE NE N NE N NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC B1 SC SC PoP 12hr 0 0 5 10 10 20 20 20 Rain shwrs S S S S $$ MDZ003-122000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 137 AM EDT Fri Sep 12 2025 Date Fri 09/12/25 Sat 09/13/25 Sun 09/14/25 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 83 56 85 57 86 Temp 56 58 75 81 81 72 64 61 57 58 75 83 84 76 67 62 58 60 77 84 85 77 Dewpt 52 53 54 53 52 55 56 55 54 55 55 52 51 54 56 56 55 57 58 57 55 58 RH 86 83 48 38 37 55 75 81 90 90 50 34 32 46 68 81 90 90 52 40 36 52 Wind dir N N N NE NE E SE S S S S S S S S S S W NW NW N NE Wind spd 3 3 3 4 4 4 2 2 2 2 3 4 4 4 3 2 2 2 3 4 5 4 Clouds FW CL CL FW FW FW FW FW FW FW FW FW FW SC SC SC FW FW FW 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 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 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 85 60 84 57 82 57 80 Temp 64 63 83 74 63 62 81 72 60 60 79 71 60 59 77 72 Dewpt 59 59 58 57 59 60 59 56 57 57 56 56 56 58 59 58 PWind dir NE E E SE E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 5 10 10 10 $$ MDZ017-122000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 137 AM EDT Fri Sep 12 2025 Date Fri 09/12/25 Sat 09/13/25 Sun 09/14/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 61 78 61 81 Temp 63 65 73 77 77 70 67 64 62 64 72 76 77 71 67 63 62 65 74 79 80 73 Dewpt 62 63 60 58 57 60 60 61 61 62 59 57 58 61 61 61 60 61 61 62 63 64 RH 97 93 64 52 50 71 78 90 97 93 64 52 52 71 81 93 93 87 64 56 56 73 Wind dir NW N NE NE NE SE SE E NE N NE E SE SE S S SW SW SW S S S Wind spd 4 5 5 5 4 4 3 2 2 3 3 4 5 5 5 4 4 4 4 5 6 5 Clouds FW FW FW FW FW FW CL CL FW FW FW FW FW FW FW FW SC FW SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 82 Date Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 79 63 77 62 76 63 77 Temp 66 67 77 71 65 66 76 69 64 65 74 69 65 66 75 70 Dewpt 62 64 63 64 64 64 62 62 62 63 62 64 63 64 64 63 PWind dir SW E E NE NE NE E E Wind char LT LT LT GN LT LT LT LT Avg clouds FW SC SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 5 10 10 20 20 20 Rain shwrs S S S S $$ WVZ502-122000- Petersburg WV 38.99N 79.15W Elev. 963 ft 137 AM EDT Fri Sep 12 2025 Date Fri 09/12/25 Sat 09/13/25 Sun 09/14/25 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 83 52 86 53 87 Temp 52 52 72 81 81 70 60 56 53 54 75 84 85 75 63 58 56 55 77 84 86 76 Dewpt 48 49 53 51 51 54 54 51 50 50 55 51 53 56 55 53 51 52 56 55 56 59 RH 86 89 51 35 35 57 81 83 89 86 50 32 33 52 75 83 83 90 48 37 36 56 Wind dir SW W NE NE NE E SW S S S S SE NW W SW SW W W N N N NW Wind spd 2 2 2 3 4 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 4 2 Clouds FW FW CL FW FW FW FW CL FW FW CL FW SC SC SC SC FW FW 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 Obvis F PF Date Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 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 87 55 84 54 82 52 82 Temp 60 58 85 73 60 56 82 71 57 56 80 69 56 55 81 69 Dewpt 56 54 57 58 56 56 57 58 55 54 55 56 55 55 57 58 PWind dir W E S SE S SE S NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC SC SC SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 5 10 10 10 $$ MDZ014-122000- Annapolis MD 38.99N 76.49W Elev. 7 ft 137 AM EDT Fri Sep 12 2025 Date Fri 09/12/25 Sat 09/13/25 Sun 09/14/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 62 78 64 81 Temp 63 64 73 77 77 73 68 66 63 64 72 76 78 73 69 66 64 66 75 80 79 74 Dewpt 60 60 58 56 55 58 62 61 61 60 58 57 58 60 62 61 60 60 61 62 61 63 RH 90 87 59 48 47 59 81 84 93 87 61 52 50 64 78 84 87 81 62 54 54 69 Wind dir N N NE NE NE E SE S SW NW S SE S S S SW SW SW SW S S S Wind spd 3 5 5 5 4 2 2 2 1 1 2 5 6 5 5 5 4 4 4 6 6 5 Clouds FW FW CL FW FW FW FW FW FW SC FW FW FW FW FW FW SC FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 81 Date Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 79 64 77 62 76 63 76 Temp 68 67 77 73 66 66 75 71 65 64 74 71 66 64 74 72 Dewpt 64 63 64 64 64 64 62 62 62 62 61 61 63 63 63 63 PWind dir SW E E NE E NE E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC B1 B1 B1 SC B1 B1 SC B1 B1 B1 SC PoP 12hr 0 0 5 5 10 10 20 10 Rain shwrs S S $$