Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
929 FOUS51 KLWX 070238 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1038 PM EDT Tue May 6 2025 VAZ054-070800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1038 PM EDT Tue May 6 2025 Date 05/06/25 Wed 05/07/25 Thu 05/08/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 79 63 80 58 Temp 66 63 62 64 71 75 78 74 68 65 63 66 75 79 77 70 66 62 59 58 Dewpt 52 51 52 53 52 52 52 52 53 54 54 55 55 55 56 56 56 53 49 48 RH 61 65 70 67 51 45 40 46 59 68 72 68 50 44 48 61 70 72 69 69 Wind dir W NW SW SW NW W W NW W NW NW N N W NW N N N N N Wind spd 4 3 4 6 10 10 9 4 2 2 2 3 4 5 6 8 8 9 9 12 Clouds B1 B2 B2 FW FW FW SC SC SC B1 B1 B1 SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 10 5 0 70 70 QPF 12hr 0 0 0 0.10 0.30 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L L C C C Tstms C C C S Date 05/09 Sat 05/10/25 Sun 05/11/25 Mon 05/12/25 Tue 05/13/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 53 73 57 78 59 80 63 81 Temp 66 64 55 56 71 68 59 61 75 71 61 62 77 73 65 66 78 74 Dewpt 46 43 42 41 41 44 46 48 48 49 49 52 52 54 56 58 59 60 PWind dir N NW NW W NE SE SE SE E Wind char GN GN GN LT LT LT LT LT GN Avg clouds SC SC FW FW FW SC B1 SC SC SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 30 10 5 10 10 10 10 30 40 Rain shwrs C S S C C C $$ MDZ013-070800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1038 PM EDT Tue May 6 2025 Date 05/06/25 Wed 05/07/25 Thu 05/08/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 77 58 78 53 Temp 63 60 59 60 69 75 77 72 65 60 58 62 74 77 74 68 62 57 54 53 Dewpt 54 54 53 54 55 53 53 54 55 54 54 56 56 56 57 57 56 52 49 47 RH 72 81 80 81 61 46 43 53 70 81 86 81 53 48 55 68 81 83 83 80 Wind dir W W W SW W W W W W W NW N N NW NW N N N N N Wind spd 2 2 2 4 6 9 6 2 1 1 2 2 2 4 5 4 4 5 5 10 Clouds B2 B2 B2 FW FW FW SC SC SC B1 B1 SC SC B1 B1 B1 B2 B2 B1 B1 PoP 12hr 20 5 0 70 60 QPF 12hr 0.03 0 0 0.09 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S L L L L C C C Tstms C C C S Date 05/09 Sat 05/10/25 Sun 05/11/25 Mon 05/12/25 Tue 05/13/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 48 72 53 77 54 77 60 77 Temp 64 62 50 51 70 66 55 57 74 70 57 59 75 71 62 63 75 72 Dewpt 46 44 43 42 42 47 47 49 49 51 50 52 52 54 56 58 59 60 PWind dir N NW NW W NE SE SE SE E Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 30 10 5 10 10 10 10 20 30 Rain shwrs C S S S S C $$ MDZ011-070800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1038 PM EDT Tue May 6 2025 Date 05/06/25 Wed 05/07/25 Thu 05/08/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 81 64 81 59 Temp 66 64 63 64 72 78 80 74 70 65 64 67 76 80 77 69 66 61 59 59 Dewpt 52 51 52 53 52 50 50 51 53 53 53 54 54 54 55 54 53 50 49 47 RH 61 63 67 67 49 37 35 44 55 65 67 63 46 41 47 59 63 67 69 64 Wind dir W W W W W W W W W NW NW N N NW NW N N N N N Wind spd 2 2 2 3 5 8 6 2 1 1 1 1 2 4 5 4 4 5 5 9 Clouds B2 B2 B2 FW FW SC SC SC SC B1 B1 SC SC B1 B1 B1 B2 B1 B1 SC PoP 12hr 30 5 0 70 60 QPF 12hr 0.03 0 0 0.12 0.29 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S L L L L C C C Tstms C C C C Heat index 80 80 Max heat 80 80 80 Date 05/09 Sat 05/10/25 Sun 05/11/25 Mon 05/12/25 Tue 05/13/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 53 76 58 79 59 80 64 82 Temp 67 64 55 56 72 69 60 61 76 71 61 62 78 73 66 67 79 74 Dewpt 44 42 41 40 40 44 45 46 46 47 48 49 49 51 54 56 56 57 PWind dir N NW NW W NE E SE SE E Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 30 10 5 10 10 5 10 20 30 Rain shwrs C S S S S C $$ WVZ052-070800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1038 PM EDT Tue May 6 2025 Date 05/06/25 Wed 05/07/25 Thu 05/08/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 53 76 53 75 50 Temp 58 57 55 57 66 73 75 70 61 56 54 59 70 75 72 66 59 55 52 51 Dewpt 49 50 50 52 51 50 50 51 50 51 51 52 53 54 54 52 51 48 45 43 RH 72 77 83 83 58 44 41 51 67 83 90 78 55 48 53 61 75 77 77 74 Wind dir SW S SW W NW NW NW NW NW W W NW N NW N N N N N N Wind spd 2 4 5 6 10 10 9 3 1 1 1 1 2 4 6 5 5 8 8 11 Clouds OV B2 SC SC FW SC SC SC B1 B1 B1 SC B1 B1 B1 B1 B1 B2 B1 B1 PoP 12hr 60 10 5 80 50 QPF 12hr 0.04 0 0 0.25 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S S D D C C C C C Tstms C C S S Date 05/09 Sat 05/10/25 Sun 05/11/25 Mon 05/12/25 Tue 05/13/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 45 71 49 75 51 77 56 77 Temp 63 61 48 49 68 65 53 55 73 68 54 56 75 71 60 61 75 72 Dewpt 41 38 38 38 39 44 44 46 48 48 47 48 52 53 53 55 58 58 PWind dir N NW NW W NE SE SE SE SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 30 10 10 10 10 10 10 20 40 Rain shwrs C C S S S C $$ VAZ506-070800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1038 PM EDT Tue May 6 2025 Date 05/06/25 Wed 05/07/25 Thu 05/08/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 76 56 77 51 Temp 61 60 58 60 69 74 76 71 64 59 57 61 73 76 73 67 62 56 52 53 Dewpt 54 54 53 54 56 55 55 56 55 55 54 56 58 58 59 58 56 53 49 47 RH 78 81 83 81 63 51 48 59 73 87 90 84 59 54 62 73 81 90 89 80 Wind dir NW W SW W NW NW NW N NW NW NW N N NW N N N N N N Wind spd 2 2 3 5 9 9 6 2 2 2 2 2 3 4 5 5 5 6 8 11 Clouds B1 B2 B1 FW FW SC SC SC SC B1 B1 SC SC SC B1 B1 B1 B2 B1 B1 PoP 12hr 20 10 5 80 60 QPF 12hr 0.01 0 0 0.16 0.42 Snow 12hr 00-00 00-00 00-00 Rain shwrs S D D L L C C C Tstms C C C S Date 05/09 Sat 05/10/25 Sun 05/11/25 Mon 05/12/25 Tue 05/13/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 47 71 50 75 53 77 58 77 Temp 63 61 49 50 68 66 54 56 73 69 57 57 75 71 61 62 75 73 Dewpt 46 45 42 42 44 48 47 50 51 53 51 52 55 56 58 59 62 62 PWind dir N NW NW W N SE SE SE E Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC B1 SC SC SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 30 10 5 10 10 10 10 30 40 Rain shwrs C S C C S C Tstms S $$ VAZ037-070800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1038 PM EDT Tue May 6 2025 Date 05/06/25 Wed 05/07/25 Thu 05/08/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 80 58 79 54 Temp 61 57 56 59 71 77 79 74 66 61 58 62 73 78 76 69 63 58 55 56 Dewpt 44 44 46 48 50 49 48 51 50 50 50 52 53 53 53 55 55 52 50 49 RH 53 62 69 67 47 37 34 44 56 67 75 70 49 42 45 61 75 80 83 77 Wind dir W SW S W W W W NW N N N N NE S NE N N N N N Wind spd 4 4 4 4 6 6 5 2 2 2 2 1 2 3 3 5 4 5 5 9 Clouds FW FW SC FW FW SC B1 B1 B1 B2 B1 SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 5 5 0 70 50 QPF 12hr 0 0 0 0.07 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C C C S Tstms C C S S Date 05/09 Sat 05/10/25 Sun 05/11/25 Mon 05/12/25 Tue 05/13/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 46 73 51 77 54 78 59 78 Temp 67 64 50 51 70 66 54 56 73 70 58 58 75 72 62 62 76 74 Dewpt 43 39 37 39 38 42 43 46 46 48 47 49 51 53 54 56 59 59 PWind dir N NW N NW E NE E E E Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC SC SC B1 SC SC SC B1 B1 B1 B1 B1 B2 B1 B1 PoP 12hr 20 5 10 20 20 10 20 30 50 Rain shwrs S S S S S S C C C C Tstms S S $$ MDZ003-070800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1038 PM EDT Tue May 6 2025 Date 05/06/25 Wed 05/07/25 Thu 05/08/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 74 54 74 49 Temp 58 56 55 57 66 72 74 69 61 57 54 59 70 73 70 64 57 53 49 51 Dewpt 51 53 53 54 54 53 52 54 53 53 52 55 56 56 55 54 51 46 43 43 RH 77 90 93 90 65 51 46 59 75 86 93 87 61 55 59 70 80 77 80 74 Wind dir SW S SW W W NW NW NW NW W NW NW NW NW N N N N N N Wind spd 3 4 5 6 9 9 8 4 2 2 2 2 3 5 6 5 6 8 6 10 Clouds B2 B2 B1 SC SC SC SC SC SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 60 10 5 80 50 QPF 12hr 0.10 0 0 0.25 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S S D D C C C C C Tstms C C S S Date 05/09 Sat 05/10/25 Sun 05/11/25 Mon 05/12/25 Tue 05/13/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 45 69 50 74 51 77 56 77 Temp 62 59 48 49 67 64 52 55 72 68 54 57 74 71 59 60 75 72 Dewpt 43 43 39 39 42 47 45 47 50 51 47 49 54 55 54 56 60 60 PWind dir N NW NW NW NE E SE SE SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 30 10 5 10 10 5 10 20 30 Rain shwrs C C S S S C $$ MDZ017-070800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1038 PM EDT Tue May 6 2025 Date 05/06/25 Wed 05/07/25 Thu 05/08/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 79 63 80 57 Temp 66 62 61 64 74 77 78 72 67 65 63 66 75 79 77 69 65 62 59 58 Dewpt 54 54 53 55 55 55 56 57 57 57 57 59 59 59 59 59 58 57 54 53 RH 65 75 75 73 51 47 47 59 70 75 81 78 58 50 54 70 78 84 83 83 Wind dir SW W W SW W W W SE S S NW N NE SE SE E E N N N Wind spd 4 4 4 5 5 6 5 2 2 2 2 2 3 5 5 5 5 6 9 12 Clouds SC SC SC FW FW FW SC SC SC B1 B1 B1 SC SC B1 B1 B1 B2 B2 B1 PoP 12hr 5 5 0 60 70 QPF 12hr 0 0 0 0.01 0.31 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L L C C C Tstms S S C S Date 05/09 Sat 05/10/25 Sun 05/11/25 Mon 05/12/25 Tue 05/13/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 53 73 57 77 59 77 63 78 Temp 68 64 56 56 70 66 59 61 74 70 61 62 75 70 65 66 76 72 Dewpt 49 48 47 47 44 48 49 51 51 53 52 54 55 57 59 61 63 62 PWind dir N NW NW W NE SE SE SE SE Wind char GN LT LT LT LT LT LT LT GN Avg clouds B1 SC FW FW SC SC B1 B1 SC SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 30 10 5 10 10 10 20 30 40 Rain shwrs C S S S C C C $$ WVZ502-070800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1038 PM EDT Tue May 6 2025 Date 05/06/25 Wed 05/07/25 Thu 05/08/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 76 50 77 46 Temp 57 55 54 55 66 73 75 69 58 53 51 54 70 76 73 65 57 53 48 47 Dewpt 48 49 49 51 52 51 50 51 52 51 50 51 54 53 53 52 51 48 46 43 RH 72 80 83 86 61 46 41 53 80 93 96 90 57 45 49 63 80 83 93 86 Wind dir SW S SW SW W W NW NW W SW SW W NW NW N N N N N N Wind spd 4 5 4 3 5 6 5 2 2 1 1 1 1 3 4 3 2 2 2 4 Clouds B1 B1 B1 B1 SC SC SC SC SC B1 B1 SC SC B1 SC B1 B1 B1 B1 SC PoP 12hr 40 20 5 70 40 QPF 12hr 0.02 0.01 0 0.16 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C L L C C C C S Tstms S C C Date 05/09 Sat 05/10/25 Sun 05/11/25 Mon 05/12/25 Tue 05/13/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 41 72 47 78 49 80 55 80 Temp 64 61 45 46 70 66 50 52 75 70 54 55 78 73 58 59 77 73 Dewpt 40 39 38 37 41 45 44 46 47 50 48 49 52 53 54 56 59 60 PWind dir N NW NW W E S SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC SC SC B1 SC SC SC SC B1 B1 SC B1 B1 B1 B1 PoP 12hr 20 5 10 10 10 10 20 30 40 Rain shwrs S S S S C C C Tstms S S S $$ MDZ014-070800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1038 PM EDT Tue May 6 2025 Date 05/06/25 Wed 05/07/25 Thu 05/08/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 76 61 76 56 Temp 64 62 60 63 69 71 74 71 66 62 61 64 72 75 73 68 63 60 58 57 Dewpt 54 54 53 53 53 53 53 54 55 56 55 56 56 56 57 57 58 55 51 50 RH 70 75 78 70 57 53 48 55 68 81 81 75 57 52 57 68 84 84 77 77 Wind dir W W W SW W W W W SW W NW N N SE W NE N N N N Wind spd 2 2 2 3 6 9 6 2 1 1 1 1 2 5 5 5 5 6 8 11 Clouds B1 B2 B2 SC FW FW SC SC SC B1 B1 SC SC SC B1 B1 B2 B1 B1 B1 PoP 12hr 10 5 0 70 70 QPF 12hr 0 0 0 0.05 0.29 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L L L C C C Tstms S S C S Date 05/09 Sat 05/10/25 Sun 05/11/25 Mon 05/12/25 Tue 05/13/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 52 70 56 74 57 75 61 76 Temp 64 64 54 54 67 66 58 59 71 69 59 60 71 70 63 64 73 72 Dewpt 47 45 46 44 43 46 50 50 49 50 52 52 52 54 57 58 59 60 PWind dir N NW NW W NE SE SE SE E Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 30 10 5 10 10 10 10 30 30 Rain shwrs C S S C C C $$