Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
818 FOUS51 KLWX 280222 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1022 PM EDT Mon May 27 2024 VAZ054-280800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1022 PM EDT Mon May 27 2024 Date 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 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 67 83 63 78 58 Temp 75 71 67 70 77 82 82 76 70 65 63 68 75 78 77 71 66 61 58 61 Dewpt 68 65 61 61 58 56 56 56 56 56 56 57 56 54 56 56 57 55 53 53 RH 79 81 81 73 52 41 41 50 61 73 78 68 52 43 48 59 73 81 83 75 Wind dir SW W W W W W W W NW NW NW NW W W W NW NW NW NW NW Wind spd 8 8 9 8 10 10 10 9 8 6 5 6 8 9 10 8 6 8 8 10 Clouds SC FW FW CL CL SC SC SC FW FW FW FW SC B1 B2 B1 SC SC SC SC PoP 12hr 40 20 5 50 10 QPF 12hr 0.04 0 0 0.14 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C Tstms S C C Heat index 82 82 Max heat 82 82 Date 05/30 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 Mon 06/03/24 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 75 57 75 58 80 61 81 64 83 Temp 73 70 59 59 73 70 60 62 77 74 63 64 78 74 66 67 80 76 Dewpt 48 47 46 47 44 45 47 49 47 50 51 55 55 57 58 59 60 61 PWind dir NW NW NW NW N S S S SW Wind char GN GN GN LT LT LT LT LT LT Avg clouds SC SC FW SC FW FW FW FW FW SC SC B1 B1 B1 SC B1 B1 SC PoP 12hr 10 10 5 0 5 10 20 20 30 Rain shwrs S S S S S C Tstms S S S C $$ MDZ013-280800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1022 PM EDT Mon May 27 2024 Date 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 84 61 77 57 Temp 72 70 65 68 77 83 82 75 68 64 61 65 74 77 74 69 64 59 57 60 Dewpt 69 65 61 61 59 58 57 57 57 56 55 57 56 56 57 58 58 56 53 53 RH 90 84 87 78 54 43 43 54 68 75 81 75 53 48 55 68 81 90 86 78 Wind dir SW W W W W W W W W NW NW NW W W W W NW NW NW NW Wind spd 5 6 6 6 10 11 11 8 6 5 4 5 6 8 9 5 5 5 6 8 Clouds SC FW FW FW FW SC SC SC FW FW FW FW SC B1 B1 B1 SC B1 SC B1 PoP 12hr 60 20 5 60 20 QPF 12hr 0.05 0 0 0.14 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L S S Tstms S C C S S Heat index 83 82 Max heat 83 84 Date 05/30 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 Mon 06/03/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 55 75 55 79 58 79 61 81 Temp 73 69 58 57 73 70 57 59 77 73 60 61 76 72 63 63 78 75 Dewpt 48 49 47 46 45 47 47 49 47 52 51 54 55 57 57 59 60 61 PWind dir NW NW N NW NE S S S S Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC FW FW FW FW SC SC B1 B1 B1 SC B1 B1 B1 PoP 12hr 10 10 5 0 5 10 20 20 30 Rain shwrs S S S S S C Tstms S S S S $$ MDZ011-280800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1022 PM EDT Mon May 27 2024 Date 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 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 68 85 64 82 60 Temp 77 72 68 71 80 84 84 74 72 66 65 71 79 82 81 71 68 61 60 63 Dewpt 67 65 61 60 58 56 55 56 56 55 55 55 54 54 55 56 57 55 53 52 RH 71 79 78 68 47 38 37 53 57 68 70 57 42 38 41 59 68 81 78 67 Wind dir SW W W W W W W W W NW NW NW W W W NW NW NW NW NW Wind spd 5 6 6 6 10 11 11 8 6 5 4 5 6 8 9 5 5 5 6 8 Clouds SC FW FW CL FW FW SC SC FW FW FW FW SC B2 B1 B1 SC B1 SC B1 PoP 12hr 50 20 5 60 20 QPF 12hr 0.05 0 0 0.15 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L S S Tstms S C C S S Heat index 81 81 Max heat 83 84 81 81 Date 05/30 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 Mon 06/03/24 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 79 60 80 61 84 64 83 68 87 Temp 77 72 62 63 77 73 63 65 81 75 66 67 81 75 69 70 83 77 Dewpt 47 47 46 44 44 45 47 48 47 50 51 53 55 56 57 58 59 61 PWind dir NW NW N NW N S S S S Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW FW FW FW SC SC B1 B1 B1 SC B1 B1 B1 PoP 12hr 10 10 5 0 5 10 20 20 30 Rain shwrs S S S S S C Tstms S S S S $$ WVZ052-280800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1022 PM EDT Mon May 27 2024 Date 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 80 55 72 52 Temp 70 65 60 66 76 80 79 73 63 58 55 62 70 72 70 68 59 54 53 56 Dewpt 61 58 55 56 56 54 52 52 53 53 52 54 54 54 53 53 51 51 49 50 RH 73 78 84 70 50 41 39 48 70 83 90 75 57 53 55 59 75 90 86 80 Wind dir W W W W W W W W W W W NW NW W NW NW NW NW NW NW Wind spd 6 6 6 9 11 12 12 9 5 4 3 4 6 8 8 6 5 6 6 10 Clouds FW FW FW FW FW SC SC SC FW FW FW SC B1 B2 B1 B1 B1 B1 SC SC PoP 12hr 5 20 5 70 10 QPF 12hr 0 0 0 0.13 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L L L Tstms S S S C C Heat index 80 Max heat 80 80 Date 05/30 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 Mon 06/03/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 48 72 48 76 53 77 58 80 Temp 68 66 50 53 69 67 51 54 74 71 56 57 74 72 60 61 77 75 Dewpt 45 43 42 44 42 46 44 48 48 52 49 53 55 57 56 59 60 61 PWind dir NW NW N NW NE S S S SW Wind char GN LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW CL FW FW SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 20 5 5 0 5 20 30 30 40 Rain shwrs S S S C C S S C Tstms S C S S C $$ VAZ506-280800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1022 PM EDT Mon May 27 2024 Date 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 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 63 83 58 75 54 Temp 72 68 63 68 77 83 82 74 66 61 58 64 73 75 73 69 62 57 54 58 Dewpt 67 63 60 61 59 57 57 57 56 55 55 57 57 56 57 57 55 54 51 54 RH 84 84 90 78 54 41 43 55 70 81 90 78 57 52 57 66 78 90 90 86 Wind dir SW W W W W W W NW NW NW NW NW NW W NW NW NW NW NW NW Wind spd 5 6 5 6 9 10 10 8 5 4 3 4 6 8 8 5 5 5 6 9 Clouds SC FW CL CL FW SC SC FW FW FW FW FW SC B1 B1 B1 SC SC SC SC PoP 12hr 20 20 5 60 10 QPF 12hr 0 0 0 0.14 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L Tstms S S C C Heat index 82 Max heat 82 82 Date 05/30 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 Mon 06/03/24 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 73 53 73 52 78 56 79 60 81 Temp 72 68 55 56 71 68 55 58 76 72 58 60 76 73 62 63 79 75 Dewpt 48 48 45 46 44 48 47 49 48 53 50 54 56 58 57 59 61 62 PWind dir NW NW N NW N S S S SW Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW SC SC B1 B1 B1 SC B1 B1 SC PoP 12hr 10 10 5 0 5 20 20 30 30 Rain shwrs S S S C S S C Tstms S C S C $$ VAZ037-280800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1022 PM EDT Mon May 27 2024 Date 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 84 58 79 55 Temp 72 66 63 68 79 84 84 75 68 61 58 66 77 78 78 71 63 56 56 59 Dewpt 61 60 57 58 56 53 51 52 52 52 52 54 53 52 51 51 51 50 48 51 RH 68 81 81 70 45 34 32 45 57 72 80 65 43 40 39 49 65 80 74 75 Wind dir SW W W W W W W W W W W W W W NW NW NW NW NW NW Wind spd 5 5 4 5 8 9 10 6 4 3 3 3 5 8 8 5 5 5 5 5 Clouds FW FW CL CL CL FW SC FW FW FW FW FW SC B1 B1 SC FW SC FW FW PoP 12hr 5 5 5 40 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Tstms C C Date 05/30 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 Mon 06/03/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 51 76 53 81 58 81 62 84 Temp 74 70 55 57 74 70 55 59 79 74 60 62 77 74 64 65 82 77 Dewpt 46 43 42 43 41 45 45 47 47 50 50 52 55 56 55 57 59 61 PWind dir NW NW N NW E S S SW S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW SC SC SC B1 B1 B1 SC B1 SC SC PoP 12hr 5 5 5 0 5 20 30 20 30 Rain shwrs S S C S S S C Tstms C S S C $$ MDZ003-280800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1022 PM EDT Mon May 27 2024 Date 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 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 55 72 54 Temp 70 65 60 65 75 79 78 71 62 57 55 62 71 72 71 66 59 55 55 58 Dewpt 63 60 57 58 58 57 56 56 55 54 53 56 56 56 56 55 54 52 51 51 RH 78 84 90 78 55 47 47 59 78 90 93 81 59 57 59 68 83 90 86 77 Wind dir SW W W W W W W W NW W W NW W W W NW NW NW NW NW Wind spd 6 6 6 8 12 12 11 8 5 4 3 4 8 8 9 5 5 5 5 6 Clouds FW FW FW FW SC B1 SC SC CL FW FW SC B1 B2 B2 B1 B2 B1 SC SC PoP 12hr 10 30 5 70 10 QPF 12hr 0 0.03 0 0.10 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L L Tstms S S S C C Date 05/30 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 Mon 06/03/24 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 49 73 50 76 55 77 59 80 Temp 70 65 52 54 70 67 53 56 74 71 57 59 75 72 61 62 77 74 Dewpt 47 46 44 46 44 48 46 48 48 53 49 53 57 58 57 59 61 62 PWind dir NW NW N NW NE SE S S S Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW CL FW FW SC SC B1 B1 B1 SC B1 B1 SC PoP 12hr 20 5 5 0 5 20 30 30 40 Rain shwrs S S S C C S C C Tstms S C S S C $$ MDZ017-280800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1022 PM EDT Mon May 27 2024 Date 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 89 64 79 60 Temp 75 71 68 71 81 87 86 78 71 66 64 67 75 79 77 71 66 64 61 63 Dewpt 69 68 64 63 61 60 60 62 61 60 58 59 59 59 59 60 59 58 55 56 RH 82 90 87 76 51 40 42 58 71 81 81 75 58 50 54 68 78 81 81 78 Wind dir SW SW W NW W W SW SW NW NW NW NW NW W W NW W NW NW NW Wind spd 9 8 6 6 6 6 8 5 5 5 5 6 6 6 5 6 6 8 9 10 Clouds B1 FW FW FW FW FW SC SC FW FW FW FW FW B1 B1 B1 B2 SC SC SC PoP 12hr 50 20 10 40 20 QPF 12hr 0.02 0 0 0.12 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C S S Tstms S S S C S S Heat index 82 87 86 Max heat 87 89 Date 05/30 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 Mon 06/03/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 59 75 59 78 62 78 64 80 Temp 74 71 61 61 73 70 61 62 76 71 64 65 76 72 65 66 78 73 Dewpt 53 53 49 49 48 50 51 52 50 53 54 56 57 58 57 59 62 62 PWind dir NW NW N NW N S S S S Wind char GN LT GN LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW SC SC SC B1 B1 SC B1 B1 B1 PoP 12hr 5 10 5 0 5 10 20 20 20 Rain shwrs S S S S S S Tstms S S S S $$ WVZ502-280800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1022 PM EDT Mon May 27 2024 Date 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 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 59 78 54 72 51 Temp 68 62 59 63 73 77 76 69 61 57 54 59 69 72 71 65 57 53 51 53 Dewpt 60 58 54 55 56 54 54 54 53 52 52 54 54 53 52 51 51 50 48 48 RH 76 87 83 75 55 45 46 59 75 83 93 83 59 51 51 60 80 89 89 83 Wind dir S SW S SW W W W W W W W W W W W W W W NW NW Wind spd 5 4 5 5 10 11 11 6 4 3 3 3 6 9 9 5 4 3 4 4 Clouds SC SC FW FW FW SC SC FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 5 30 10 70 10 QPF 12hr 0 0.01 0 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L Tstms S S S C C Date 05/30 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 Mon 06/03/24 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 45 73 47 80 55 80 58 83 Temp 69 64 48 51 71 66 50 53 77 72 57 59 77 73 60 61 79 76 Dewpt 45 42 42 42 42 46 44 46 46 53 50 53 56 59 57 59 60 62 PWind dir NW NW N W SE S S SW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW CL CL FW SC SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 10 5 0 0 5 20 40 30 40 Rain shwrs S C C C S S C Tstms S S C C S S C $$ MDZ014-280800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1022 PM EDT Mon May 27 2024 Date 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 85 64 77 60 Temp 75 71 68 71 78 83 83 78 71 67 64 68 72 77 75 71 66 61 60 63 Dewpt 69 68 63 62 60 60 59 59 59 58 57 58 57 57 58 59 59 58 55 55 RH 82 90 84 73 54 46 44 52 66 73 78 70 59 50 55 66 78 90 84 75 Wind dir SW W W W W W W W W NW NW NW NW W W W NW NW NW NW Wind spd 6 6 6 6 10 10 9 8 6 6 5 5 6 8 9 6 6 6 9 9 Clouds SC FW FW CL FW SC SC SC FW FW FW FW SC B1 B2 B1 SC B1 SC B1 PoP 12hr 70 20 5 50 20 QPF 12hr 0.08 0 0 0.15 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S C C S S Tstms S C C S S Heat index 83 83 Max heat 83 85 Date 05/30 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 Mon 06/03/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 59 75 59 78 62 78 65 80 Temp 72 71 61 61 71 70 61 62 74 72 64 65 74 72 66 67 76 74 Dewpt 50 50 50 48 47 49 51 51 50 53 55 56 58 58 59 60 62 63 PWind dir NW NW N N NE S S S S Wind char GN LT GN LT LT LT LT LT LT Avg clouds SC SC FW SC SC FW FW FW FW SC SC B1 B1 B1 SC B1 B1 SC PoP 12hr 10 10 5 0 5 10 20 20 20 Rain shwrs S S S S S S Tstms S S S S $$