Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
671 FOUS51 KLWX 131740 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 139 PM EDT Mon May 13 2024 VAZ054-132000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 139 PM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 61 73 63 71 Temp 75 78 72 66 62 61 63 69 71 70 67 65 64 63 65 67 69 69 66 Dewpt 48 49 51 52 53 54 58 59 60 60 60 60 61 61 62 62 61 61 59 RH 38 36 48 61 72 78 84 70 68 71 78 84 90 93 90 84 76 76 78 Wind dir S S S S S S S S S S S SE SE E E NE NE NE NE Wind spd 10 12 10 9 8 8 8 11 13 13 14 10 8 8 8 9 9 11 11 Clouds FW SC SC SC SC B1 OV OV OV OV OV OV OV OV OV OV OV B2 B2 PoP 12hr 0 10 90 90 80 QPF 12hr 0 0 0.26 0.42 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D L L D D C Tstms S S S S S C S S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 61 79 64 75 62 78 Temp 63 63 75 73 63 64 77 72 65 66 73 71 64 65 76 73 Dewpt 58 58 57 57 57 58 60 60 60 61 61 60 58 59 58 58 PWind dir N N NE SE SE E NE N Wind char GN GN LT LT GN GN GN GN Avg clouds B2 B2 B1 B1 SC SC B1 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 20 5 30 60 50 30 20 Rain shwrs C S S S C C L L C C C C S S Tstms S S S C S S S S $$ MDZ013-132000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 139 PM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 58 74 60 68 Temp 74 77 70 62 59 58 62 69 71 69 66 63 62 61 62 65 67 67 65 Dewpt 49 50 53 54 54 53 57 60 60 61 61 61 60 61 62 63 62 61 60 RH 41 39 55 75 83 83 84 73 68 76 84 93 93100100 93 84 81 84 Wind dir S S S S S S S S S S S SE SE E E E NE NE NE Wind spd 8 10 10 8 5 5 6 10 12 12 10 8 5 5 5 8 9 10 8 Clouds FW FW SC SC SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV B2 PoP 12hr 0 10 90 90 70 QPF 12hr 0 0 0.22 0.40 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D L L L L C Tstms S S S S S S S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 77 58 77 61 73 59 75 Temp 60 61 74 72 60 62 75 71 62 63 71 69 61 61 73 71 Dewpt 58 58 58 58 57 58 60 61 59 60 61 61 58 59 59 59 PWind dir N N NE SE SE E NE N Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 40 20 10 30 60 50 20 20 Rain shwrs C S S S C C L L C C S S S S Tstms S S S S S S $$ MDZ011-132000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 139 PM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 64 78 65 74 Temp 76 78 71 67 64 64 66 74 76 74 68 69 66 66 67 70 72 72 68 Dewpt 49 50 51 53 53 53 55 58 59 59 59 60 60 60 60 60 61 60 59 RH 39 37 49 61 67 67 68 57 56 59 73 73 81 81 78 71 68 66 73 Wind dir S S S S S S S S S S SE SE SE E E E NE NE NE Wind spd 8 11 10 8 4 4 6 9 10 11 10 8 5 5 5 8 8 9 6 Clouds FW FW SC SC SC SC B2 OV OV OV OV OV OV OV OV OV OV OV B2 PoP 12hr 0 10 90 90 70 QPF 12hr 0 0 0.21 0.41 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D L L L L C Tstms S S S S S S S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 81 64 81 66 78 65 81 Temp 64 67 79 74 66 68 79 73 67 69 76 71 67 68 79 74 Dewpt 57 56 57 57 56 56 58 59 58 59 59 58 58 58 57 58 PWind dir N N NE SE SE E NE N Wind char LT GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 40 20 10 30 60 50 30 20 Rain shwrs C S S S C C L L C C C C S S Tstms S S S S S S $$ WVZ052-132000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 139 PM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 54 69 58 68 Temp 75 77 70 61 57 54 58 64 67 67 65 62 60 59 60 63 66 67 65 Dewpt 48 49 49 48 48 49 54 57 58 59 58 58 58 58 59 60 60 59 58 RH 38 37 47 62 72 83 86 78 73 75 78 87 93 96 96 90 81 75 78 Wind dir S S S S S S S S S S SE SE SE E NE NE NE NE NE Wind spd 9 11 9 5 4 4 5 9 12 11 10 9 5 5 5 5 5 5 5 Clouds FW FW SC SC SC B1 OV OV OV OV OV OV OV OV OV OV OV B2 B2 PoP 12hr 0 20 80 80 90 QPF 12hr 0 0 0.15 0.26 0.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D D D L L D D D D C Tstms S C C S S S C C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 75 56 75 58 73 56 77 Temp 58 58 73 71 58 59 74 70 61 62 70 70 59 60 74 73 Dewpt 56 56 57 57 55 56 60 60 58 60 58 58 55 56 57 58 PWind dir N N SE SE SE E N N Wind char LT GN LT GN GN GN LT GN Avg clouds B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 SC SC SC SC PoP 12hr 50 30 10 50 60 50 20 30 Rain shwrs C S C C C C L L C C S S C C Tstms C S C C S S S S $$ VAZ506-132000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 139 PM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 59 72 61 69 Temp 76 78 73 64 60 59 62 67 69 69 66 64 63 61 63 66 67 68 66 Dewpt 48 49 51 52 53 54 58 61 60 61 61 61 61 61 63 63 62 61 60 RH 37 36 46 65 78 83 87 81 73 76 84 90 93100100 90 84 78 81 Wind dir S S S S S S S S S S S SE SE E NE NE NE NE NE Wind spd 9 11 8 8 6 6 8 11 12 12 10 6 5 3 4 5 6 9 5 Clouds FW FW SC SC SC B1 OV OV OV OV OV OV OV OV OV OV OV B2 B2 PoP 12hr 0 20 90 90 80 QPF 12hr 0 0 0.16 0.40 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D D D L L L L D D C Tstms S S C S S S C C S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 76 57 78 61 73 59 76 Temp 60 61 74 73 60 61 77 71 63 64 71 71 61 62 74 73 Dewpt 59 58 59 59 57 58 61 62 61 62 62 61 58 59 59 60 PWind dir N N NE SE SE E N N Wind char LT GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B1 SC B1 SC SC PoP 12hr 50 20 10 40 60 50 30 20 Rain shwrs C S S S C C L L C C C C S S Tstms S S C C S S S S $$ VAZ037-132000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 139 PM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 60 70 62 74 Temp 77 79 73 66 62 61 62 66 68 68 67 66 64 63 64 69 72 72 68 Dewpt 47 46 48 49 51 53 56 58 59 59 58 59 59 59 60 61 61 60 59 RH 35 31 41 54 67 75 81 75 73 73 73 78 84 87 87 76 68 66 73 Wind dir S S S S S S S S S SE SE SE E NE NE N NE NE NE Wind spd 9 10 8 5 5 5 6 9 10 8 9 5 4 4 4 5 5 5 5 Clouds FW SC SC B2 B1 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 PoP 12hr 0 40 90 90 90 QPF 12hr 0 0.06 0.40 0.51 0.36 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D D D D L L L L D D C Tstms C C C S S S C C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 80 61 81 63 79 61 82 Temp 62 63 78 74 63 66 80 73 66 67 75 73 64 65 78 75 Dewpt 58 57 57 58 57 58 60 60 60 60 60 59 57 58 57 58 PWind dir N N N S S SE N N Wind char LT GN LT LT LT LT LT GN Avg clouds B2 B2 B1 SC SC B1 B1 B1 B2 B2 B1 B1 SC SC SC SC PoP 12hr 50 30 10 50 60 50 20 30 Rain shwrs C C C C C L L C C S S C C Tstms C C C C S C S S $$ MDZ003-132000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 139 PM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 77 56 71 60 68 Temp 74 77 70 62 59 56 60 66 68 68 65 63 62 60 61 65 67 67 65 Dewpt 50 50 51 51 51 51 55 59 60 60 59 60 60 60 60 62 61 60 59 RH 43 39 51 67 75 83 84 78 76 76 81 90 93100 97 90 81 78 81 Wind dir S S S S S S S S S S SE SE SE E E NE E NE NE Wind spd 9 11 10 10 9 6 8 10 13 13 13 10 8 5 5 5 6 6 6 Clouds FW FW SC SC SC SC B2 OV OV OV OV OV OV OV OV OV OV OV B2 PoP 12hr 0 10 90 90 90 QPF 12hr 0 0 0.14 0.21 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L D D D L L D D D D C Tstms S C C S S S C C S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 75 57 75 60 73 57 77 Temp 59 60 73 71 59 61 74 71 62 63 70 69 60 60 75 72 Dewpt 57 58 59 59 56 58 61 61 60 60 60 59 57 58 59 60 PWind dir N N E SE SE E NE N Wind char LT GN LT GN GN GN LT GN Avg clouds B2 B1 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC SC SC SC PoP 12hr 40 30 10 50 60 50 20 20 Rain shwrs C S C C C C L L C C S S S S Tstms S S C C S S S S $$ MDZ017-132000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 139 PM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 61 74 62 71 Temp 72 73 68 63 63 62 65 71 72 71 67 65 64 63 64 69 70 69 66 Dewpt 54 54 54 55 55 55 58 60 60 60 60 61 61 62 63 63 62 61 60 RH 53 51 61 75 75 78 78 68 66 68 78 87 90 97 97 81 76 76 81 Wind dir SE SE S S S S S S S S S SE SE SE E NE NE N N Wind spd 11 13 13 12 11 10 9 10 11 13 14 12 10 9 6 9 10 10 8 Clouds SC SC SC SC SC B2 B2 OV OV OV OV OV OV OV OV B2 OV B2 B2 PoP 12hr 0 5 80 90 70 QPF 12hr 0 0 0.21 0.52 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D L L L L C Tstms S S S S S S S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 75 60 77 62 75 61 76 Temp 62 63 73 70 62 63 75 70 64 66 74 68 63 64 74 70 Dewpt 58 58 59 59 57 58 60 60 59 61 63 61 60 60 59 59 PWind dir N N N SE SE SE NE N Wind char GN BZ GN GN GN GN GN GN Avg clouds B2 B2 B1 SC FW SC B1 B1 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 40 20 5 20 50 50 30 20 Rain shwrs C S S S S S C C C C C C S S Tstms S S S S S S $$ WVZ502-132000- Petersburg WV 38.99N 79.15W Elev. 963 ft 139 PM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 56 72 58 71 Temp 79 81 73 63 59 57 58 64 69 70 66 62 60 58 60 64 69 69 66 Dewpt 43 44 48 49 50 53 55 58 60 60 59 60 59 58 59 61 62 62 60 RH 28 27 41 60 72 86 90 81 73 71 78 93 96100 96 90 78 78 81 Wind dir S S S SE S S S S S S SE SE SE SE NE NE NE NE NE Wind spd 5 9 8 4 3 4 4 8 9 8 6 3 3 2 2 2 4 5 5 Clouds FW SC SC B1 B1 B2 OV OV OV OV OV OV OV OV OV B2 OV OV B2 PoP 12hr 0 30 80 80 90 QPF 12hr 0 0.02 0.09 0.25 0.35 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C D D D D L L D D D D C Tstms C C C S S S C C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 78 58 79 59 76 57 79 Temp 60 58 75 71 60 61 78 71 62 62 73 71 60 60 77 74 Dewpt 58 58 59 59 57 58 62 61 60 60 61 60 57 58 59 60 PWind dir N N S S S W N N Wind char LT LT LT GN LT GN LT GN Avg clouds B2 B2 B1 SC SC B1 B1 B1 B1 B2 B1 SC SC SC SC SC PoP 12hr 50 40 10 60 60 50 20 30 Rain shwrs C S C C L L L L C C S S C C Tstms C C S C C S S S S $$ MDZ014-132000- Annapolis MD 38.99N 76.49W Elev. 7 ft 139 PM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 61 72 62 69 Temp 70 72 68 64 62 62 64 68 69 69 66 65 64 63 64 66 67 67 65 Dewpt 54 54 54 55 55 56 58 60 61 61 60 61 61 62 62 62 62 61 60 RH 57 53 61 73 78 81 81 76 76 76 81 87 90 97 93 87 84 81 84 Wind dir S S S S S S S S S S S S SE SE E E NE NE NE Wind spd 11 12 14 10 9 8 8 10 11 12 13 10 8 8 6 9 9 10 8 Clouds FW FW SC SC SC B1 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 PoP 12hr 0 5 90 90 70 QPF 12hr 0 0 0.22 0.48 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D L L L L C Tstms S S S S S S S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 74 61 75 62 73 61 75 Temp 62 63 72 71 63 64 72 70 64 66 70 69 63 64 72 71 Dewpt 59 58 59 59 58 58 60 61 60 60 62 61 60 59 60 59 PWind dir N N NE SE SE SE NE NE Wind char GN GN GN GN GN GN GN GN Avg clouds B2 B2 B1 SC FW SC B1 B1 B2 B2 B2 B1 B1 SC B1 SC PoP 12hr 40 20 10 30 50 50 30 20 Rain shwrs C S S S C C C C C C C C S S Tstms S S S S S $$