Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
164 FOUS51 KLWX 020538 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 AM EDT Sat Aug 2 2025 VAZ054-022000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 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 66 83 66 85 Temp 68 68 75 78 79 75 71 69 66 69 77 80 80 76 72 69 67 69 79 83 83 79 Dewpt 61 61 61 58 57 57 60 60 60 61 59 57 57 57 59 59 59 60 60 57 58 59 RH 78 78 62 50 47 54 68 73 81 76 54 45 45 52 64 70 75 73 52 41 43 50 Wind dir N N NE NE NE E E NE N N NE E E E E NE N N NE E E E Wind spd 8 8 9 9 9 5 4 3 3 4 6 8 8 5 4 2 3 5 6 8 8 5 Clouds FW CL FW B1 SC FW FW FW CL FW FW FW FW SC SC SC FW FW FW FW FW SC PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 80 83 Max heat 80 80 82 83 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 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 69 82 70 82 69 84 Temp 72 72 83 79 72 71 80 77 72 71 79 76 72 72 81 78 Dewpt 61 61 60 61 63 65 64 64 66 68 67 66 67 67 66 66 PWind dir N E E E E E E E Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC SC B1 B1 B1 B1 B2 B1 B2 B1 B1 B1 B1 SC B1 PoP 12hr 0 5 20 30 30 30 30 30 Rain shwrs S S C C C S C C S S C Tstms S S S C $$ MDZ013-022000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 64 83 65 86 Temp 65 67 76 79 79 75 70 67 65 68 78 81 81 77 71 68 66 69 79 84 84 79 Dewpt 61 61 62 60 59 60 61 61 60 63 61 58 58 60 60 61 60 62 61 60 60 61 RH 87 81 62 52 50 60 73 81 84 84 56 46 46 56 68 78 81 78 54 44 44 54 Wind dir N N NE NE E E E N N N NE E E E SE E N N NE E E E Wind spd 4 5 5 5 5 3 2 2 2 2 4 5 5 3 2 2 2 2 4 5 5 2 Clouds FW CL FW B1 SC FW FW FW FW CL FW FW FW SC SC SC FW FW FW FW FW FW PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 81 84 84 Max heat 81 81 81 84 85 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 86 68 82 69 83 68 84 Temp 70 71 84 78 70 71 81 76 71 71 80 76 71 71 81 78 Dewpt 62 64 63 64 65 66 67 67 68 69 68 67 67 69 68 68 PWind dir N E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC B1 SC B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC B1 PoP 12hr 0 5 10 20 30 30 30 30 Rain shwrs S C C S C C S S C Tstms S S C $$ MDZ011-022000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 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 86 70 88 70 90 Temp 70 70 79 82 83 79 75 73 71 71 82 84 85 82 77 74 71 71 84 87 88 84 Dewpt 59 59 58 56 56 56 59 59 59 60 57 55 55 56 59 60 59 60 59 57 57 58 RH 68 68 49 41 40 45 58 62 66 68 43 37 36 41 54 62 66 68 43 36 35 41 Wind dir N N NE NE NE NE NE N N N NE E E E SE E N N NE E E E Wind spd 4 5 5 5 5 3 2 1 1 2 3 5 5 2 2 1 2 2 4 5 4 2 Clouds FW CL FW B2 SC SC FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 82 82 84 84 Max heat 82 83 83 84 80 86 87 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 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 72 90 72 87 73 88 72 89 Temp 77 73 87 83 77 72 84 81 77 73 84 81 76 73 85 83 Dewpt 60 61 60 61 63 62 63 63 66 65 65 64 66 66 65 64 PWind dir NE E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC B1 PoP 12hr 0 5 10 20 30 30 30 30 Rain shwrs S C C S C C S S C Tstms S S C $$ WVZ052-022000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 56 81 57 84 Temp 60 62 72 77 77 72 64 61 58 62 74 79 79 74 66 62 58 63 76 82 82 76 Dewpt 54 52 55 54 54 55 55 55 54 55 57 55 56 58 57 57 56 57 58 57 57 59 RH 81 70 55 45 45 55 73 81 86 78 55 44 45 57 73 84 93 81 54 43 43 56 Wind dir N N NE NE NE NE NE N N N E E E E SE N N N NE E E E Wind spd 5 5 5 5 5 2 1 0 1 1 2 4 4 2 1 0 0 1 2 4 4 2 Clouds FW CL SC B1 SC FW SC CL FW FW CL FW FW SC SC FW FW FW CL FW FW FW PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 82 Max heat 80 82 82 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 84 63 81 64 81 64 83 Temp 64 66 83 76 67 67 79 74 67 67 77 74 67 68 80 76 Dewpt 59 59 59 61 60 60 61 63 63 63 65 65 64 65 64 65 PWind dir SE E SE E E E E SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 SC B1 SC B1 PoP 12hr 0 5 20 20 30 30 20 30 Rain shwrs S S C C S C S S S C Tstms S S $$ VAZ506-022000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 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 83 60 86 Temp 63 65 74 78 78 73 67 64 61 64 76 80 80 75 68 64 61 65 78 83 83 77 Dewpt 60 61 63 61 61 61 60 60 59 61 63 60 60 61 60 60 59 61 63 61 60 62 RH 90 87 69 56 56 66 78 87 93 90 64 51 51 62 76 87 93 87 60 47 46 60 Wind dir N N NE NE NE NE NE NE N N NE E E E E E N N NE NE E E Wind spd 5 5 5 5 5 4 2 1 2 2 4 5 5 3 2 1 2 2 4 4 5 3 Clouds SC CL FW SC SC FW FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW SC PoP 12hr 0 0 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 81 83 83 Max heat 81 82 83 84 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 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 65 82 67 82 66 84 Temp 67 68 83 76 68 68 79 75 69 69 78 75 69 70 82 77 Dewpt 62 63 64 64 63 66 67 67 68 69 70 68 68 69 69 68 PWind dir NW E E E NE NE E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 5 5 20 30 40 40 30 30 Rain shwrs S S C C C C C C S S C Tstms S S S C $$ VAZ037-022000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 59 80 59 82 Temp 64 65 73 76 76 71 65 62 60 63 74 77 76 71 65 62 60 63 75 80 79 73 Dewpt 61 60 60 58 58 59 59 58 57 58 58 57 57 57 57 57 56 58 58 58 58 59 RH 90 84 64 54 54 66 81 87 90 84 57 50 52 61 75 84 87 84 55 47 49 62 Wind dir N NE NE NE NE E N N N N NE E E NE N N N N NE NE E E Wind spd 5 6 8 8 8 5 2 2 2 3 5 6 6 4 2 2 2 2 5 6 5 3 Clouds SC FW CL FW SC CL FW FW CL CL FW SC SC SC FW FW FW CL CL FW FW SC PoP 12hr 0 0 5 10 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 81 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 82 63 78 64 79 65 82 Temp 64 65 80 73 66 65 75 71 67 66 77 72 67 67 80 74 Dewpt 59 59 60 60 61 61 63 63 65 65 66 65 66 66 67 66 PWind dir N NE NE NE NE NE NE E Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC B1 B2 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 PoP 12hr 10 20 30 40 40 40 30 40 Rain shwrs S S C S C C C C C C S S C Tstms S S C $$ MDZ003-022000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 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 57 83 58 86 Temp 59 62 73 78 78 73 64 61 59 62 75 80 80 75 67 62 59 64 77 83 83 77 Dewpt 53 53 57 56 56 57 55 54 53 56 59 58 57 59 59 57 56 59 61 60 59 61 RH 80 72 57 47 47 57 73 78 80 81 58 47 45 58 75 84 90 84 58 46 44 58 Wind dir N N NE NE NE NE NE N N N E E E E E NE N N N E E E Wind spd 5 5 5 5 5 3 2 2 2 2 2 4 4 3 2 1 2 2 2 4 4 3 Clouds CL CL SC B1 SC SC FW CL CL CL FW FW FW SC SC FW FW FW CL FW FW FW PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 80 83 83 Max heat 81 81 83 84 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 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 86 64 82 66 82 65 84 Temp 65 67 84 77 68 67 80 75 68 68 78 75 68 68 82 77 Dewpt 59 61 63 63 61 62 63 64 64 65 67 66 65 66 67 66 PWind dir NE E E E E E E SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC B1 PoP 12hr 0 5 10 20 30 30 20 30 Rain shwrs S C C S C S S S C Tstms S S $$ MDZ017-022000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 69 83 69 86 Temp 70 73 77 81 81 77 73 71 70 74 79 82 82 77 73 71 70 74 79 84 84 79 Dewpt 64 66 63 62 62 62 61 60 59 62 61 60 60 61 60 60 60 63 62 62 62 63 RH 81 79 62 53 53 60 66 68 68 66 54 47 47 58 64 68 71 69 56 48 48 58 Wind dir NE NE NE NE NE E E E NE NE NE NE E E E NE NE NE NE NE NE E Wind spd 10 11 11 10 10 6 6 5 6 8 10 9 9 8 5 5 6 8 9 8 6 5 Clouds CL CL CL SC B1 SC CL CL CL CL FW SC B1 B1 SC SC FW FW FW FW FW SC PoP 12hr 5 0 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 82 82 82 85 85 Max heat 82 83 82 83 85 86 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 86 70 84 72 84 71 85 Temp 72 75 84 79 72 75 82 78 73 76 83 78 73 75 82 78 Dewpt 63 66 64 65 66 69 69 69 69 70 69 70 68 70 69 69 PWind dir NE E E E E E E E Wind char LT LT LT GN GN GN LT GN Avg clouds SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 PoP 12hr 5 5 20 30 30 30 30 30 Rain shwrs S S C C C C C C S S C Tstms S S S S $$ WVZ502-022000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 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 53 81 54 84 Temp 58 59 69 76 77 68 60 57 54 57 72 78 77 70 62 57 55 59 74 81 80 72 Dewpt 56 56 58 58 58 58 56 54 53 55 59 58 57 59 57 55 54 56 59 58 58 60 RH 93 90 68 54 52 70 87 90 96 93 64 50 50 68 84 93 96 90 59 46 47 66 Wind dir N N NE NE NE E NW W SW N E E E E SE SW W W E E E E Wind spd 2 2 3 4 4 3 2 1 1 1 2 5 5 3 2 1 1 1 2 4 4 3 Clouds B1 SC SC SC SC FW FW CL FW FW FW FW FW SC FW FW FW FW FW FW SC SC PoP 12hr 0 0 5 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 81 Max heat 81 82 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 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 83 60 79 61 81 62 84 Temp 60 62 80 72 63 62 76 69 63 62 77 70 64 64 80 73 Dewpt 57 57 59 61 59 59 63 63 62 62 66 66 64 63 69 68 PWind dir S SE SE E E E SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B2 B1 B1 B1 B1 B1 PoP 12hr 5 10 20 40 40 50 30 40 Rain shwrs S S C C C C C C C S C C Tstms S S $$ MDZ014-022000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 AM EDT Sat Aug 2 2025 Date Sat 08/02/25 Sun 08/03/25 Mon 08/04/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 68 80 68 83 Temp 69 70 74 78 78 76 73 71 69 72 77 79 80 77 73 72 70 71 78 82 83 79 Dewpt 64 64 62 60 59 59 62 61 61 62 60 59 58 59 62 61 61 62 62 60 60 61 RH 84 81 66 54 52 56 68 71 76 71 56 50 47 54 68 68 73 73 58 47 46 54 Wind dir NE NE NE NE NE E E E NE NE NE E E E SE E NE N NE NE E E Wind spd 8 8 10 10 9 5 3 2 2 4 6 8 6 5 4 2 2 5 6 8 6 3 Clouds SC SC FW FW FW SC SC FW CL CL CL FW FW SC SC SC FW FW FW FW FW FW PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 82 83 Max heat 81 82 83 Date Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 83 70 81 71 81 71 82 Temp 72 73 81 78 73 73 79 77 73 73 80 78 73 74 80 78 Dewpt 63 64 62 63 66 66 66 66 68 68 68 67 68 68 68 67 PWind dir E E E E E E E E Wind char LT LT LT GN LT GN LT GN Avg clouds SC B1 SC SC B1 B1 B1 B1 B1 B2 B1 B1 B1 SC SC B1 PoP 12hr 5 5 20 20 30 30 30 30 Rain shwrs S S S C C C C C S S C Tstms S S C $$