Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
185 FOUS51 KLWX 061138 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 738 AM EDT Sat Sep 6 2025 VAZ054-062000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 738 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 89 63 75 57 76 Temp 75 83 86 82 73 71 68 66 64 67 71 73 67 64 61 59 59 69 73 74 67 Dewpt 68 69 68 67 66 64 62 59 56 56 52 51 51 51 50 49 49 49 47 45 48 RH 79 63 55 61 79 79 81 78 75 68 51 46 56 63 67 69 69 49 40 35 50 Wind dir S S SW NW NE N N N N N NW NW NW NW NW N N N NE NE E Wind spd 8 8 10 10 8 6 9 10 9 8 6 8 6 6 8 8 8 8 6 6 6 Clouds FW B1 B2 OV OV OV OV OV OV B2 B1 FW FW FW FW FW FW FW FW FW FW PoP 12hr 80 50 20 0 0 QPF 12hr 0.31 0.16 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D C S S C S S Tstms C C S Heat index 87 89 85 Max heat 89 89 Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 57 76 60 77 61 82 61 78 Temp 61 59 74 69 63 62 73 70 64 62 79 73 66 63 76 70 Dewpt 51 53 51 54 57 57 57 58 59 57 54 55 56 55 50 50 PWind dir NE E NE NE N N NE NE Wind char LT GN GN GN LT LT LT GN Avg clouds FW SC SC B1 B1 OV B2 B1 SC SC SC SC FW SC FW FW PoP 12hr 0 5 10 20 10 5 0 0 Rain shwrs S S $$ MDZ013-062000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 738 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 60 75 55 75 Temp 73 82 85 78 72 68 65 63 62 65 72 73 66 61 58 56 57 68 73 72 66 Dewpt 70 71 71 71 69 65 61 59 58 58 55 54 55 52 50 49 50 51 49 50 52 RH 90 69 63 79 90 90 87 87 87 78 55 51 68 72 75 77 77 54 43 46 61 Wind dir S SW SW NW NE N NW N N NW NW NW NW NW NW N N NE NE NE NE Wind spd 3 5 6 8 4 3 4 5 5 5 5 5 4 4 4 5 5 5 5 5 3 Clouds FW SC B1 B2 OV OV OV OV OV B2 B1 FW FW FW FW FW CL CL FW FW FW PoP 12hr 80 50 20 0 0 QPF 12hr 0.66 0.05 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D C C S C S S Tstms C C S Heat index 86 90 Max heat 92 89 Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 76 58 75 59 81 59 77 Temp 57 58 74 67 61 60 72 68 61 61 79 72 64 62 75 68 Dewpt 53 54 55 58 57 58 61 62 59 59 58 60 57 55 53 53 PWind dir NE E NE NE N NE N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 B1 B2 B2 B1 SC SC FW SC FW FW FW FW PoP 12hr 0 0 20 20 10 5 0 0 Rain shwrs S S S $$ MDZ011-062000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 738 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 89 64 78 59 78 Temp 75 84 86 81 75 73 70 67 64 70 74 76 71 67 64 61 59 71 74 76 71 Dewpt 67 67 68 68 65 63 59 58 56 53 51 49 50 49 48 48 47 47 46 45 48 RH 76 57 55 65 71 71 68 73 75 55 44 39 47 52 56 62 64 42 37 33 44 Wind dir S S SW NW N N NW N N NW NW NW NW NW NW N N N NE NE NE Wind spd 3 5 6 8 4 3 4 5 5 5 5 5 4 4 4 5 4 5 5 5 2 Clouds FW B1 B2 B2 OV OV B2 OV B2 B2 SC FW FW FW FW CL CL CL FW FW FW PoP 12hr 80 50 10 0 0 QPF 12hr 0.25 0.05 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D C C S C Tstms C C S Heat index 87 89 84 Max heat 89 88 Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 59 79 62 78 63 83 63 79 Temp 63 59 75 72 66 62 75 72 67 63 80 76 69 63 76 72 Dewpt 51 51 52 53 56 55 57 57 57 55 54 54 56 52 50 49 PWind dir NE E NE NE N N N NE Wind char LT GN LT LT LT LT LT LT Avg clouds FW FW SC B1 B1 B2 B2 B1 SC SC FW SC FW FW FW FW PoP 12hr 0 0 10 20 10 5 0 0 Rain shwrs S S $$ WVZ052-062000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 738 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 56 76 47 75 Temp 68 78 79 76 70 65 62 59 59 68 74 74 65 58 54 50 52 67 72 73 65 Dewpt 65 65 63 60 58 57 56 54 53 50 46 44 45 45 45 44 45 45 43 42 45 RH 90 64 58 58 66 75 81 83 80 52 37 34 48 62 71 80 77 45 35 33 48 Wind dir NE W NW NW N N NW NW NW NW NW NW NW NW NW NW NW N NE NE E Wind spd 1 5 8 6 4 4 4 5 5 6 8 9 5 4 3 3 2 4 4 3 2 Clouds B1 B2 B2 B2 OV B2 B2 B2 SC FW FW FW FW FW FW FW CL CL FW CL CL PoP 12hr 70 30 5 0 0 QPF 12hr 0.03 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S C S Tstms S C S Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 76 51 77 51 81 54 77 Temp 52 52 74 66 56 55 74 67 57 55 79 70 60 57 74 66 Dewpt 46 46 47 49 52 52 53 53 52 52 52 52 53 52 48 47 PWind dir NE E E NE W N N N Wind char LT LT LT LT LT LT LT LT Avg clouds CL FW FW FW SC B1 SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 5 10 5 0 0 0 $$ VAZ506-062000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 738 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 87 60 75 51 75 Temp 71 81 85 76 70 66 64 62 61 66 72 73 65 59 56 53 54 67 73 72 64 Dewpt 70 72 71 71 68 64 60 59 58 58 55 53 53 52 50 48 50 52 50 50 51 RH 97 74 63 85 93 93 87 90 90 75 55 49 65 78 80 83 86 59 44 46 63 Wind dir S SW W NW N N N NW NW NW NW NW NW NW NW N N N NE NE NE Wind spd 3 5 6 8 5 4 5 6 5 5 5 6 5 4 4 4 4 5 4 4 3 Clouds SC B1 B1 B2 B2 B2 OV B2 OV B1 SC FW FW FW FW FW FW FW FW CL FW PoP 12hr 80 50 10 0 0 QPF 12hr 0.26 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C C S Tstms C C Heat index 85 90 Max heat 90 89 Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 50 76 55 76 56 82 57 78 Temp 54 54 74 66 58 57 73 67 59 58 80 71 62 59 75 67 Dewpt 51 52 54 57 57 57 60 60 59 57 59 58 56 55 54 52 PWind dir NE E NE NE N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B1 B2 B1 SC SC SC FW FW FW FW FW FW PoP 12hr 0 0 10 20 10 5 0 0 Rain shwrs S S $$ VAZ037-062000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 738 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 60 73 50 74 Temp 69 80 86 80 71 68 66 63 61 65 70 71 64 59 56 53 53 66 71 71 62 Dewpt 67 67 66 67 67 66 63 61 58 55 53 52 53 52 50 48 48 47 46 45 48 RH 93 65 51 65 87 93 90 93 90 70 55 51 67 78 80 83 83 50 41 39 60 Wind dir S SW SW SW NE NE N N N N NE N N N N N N NE NE NE NE Wind spd 2 5 6 6 4 2 3 4 5 4 3 4 3 3 3 4 5 6 6 5 4 Clouds SC B1 B1 B2 B2 B2 OV OV OV B1 SC FW SC SC FW FW CL CL FW CL FW PoP 12hr 70 60 20 0 0 QPF 12hr 0.06 0.09 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C C C S S Tstms C C S Obvis PF PF PF Heat index 82 88 82 Max heat 88 87 Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 74 55 76 55 81 56 77 Temp 53 52 72 65 58 56 73 66 59 58 78 69 60 58 75 66 Dewpt 48 48 49 53 54 55 55 57 56 55 55 56 55 54 53 53 PWind dir N NE N NE N NE N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC FW SC B1 B2 B1 SC SC SC FW FW FW FW FW FW PoP 12hr 0 5 10 20 10 5 5 5 Rain shwrs S $$ MDZ003-062000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 738 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 57 76 48 77 Temp 68 77 78 76 69 64 62 59 59 69 73 73 65 57 53 50 52 68 73 73 64 Dewpt 66 67 67 62 59 57 57 55 54 51 48 46 47 47 47 46 46 48 46 45 48 RH 93 71 69 62 70 78 84 87 83 53 41 38 52 69 80 86 80 49 38 37 56 Wind dir W NW NW NW N N NW NW NW NW NW NW NW NW N N N N NE NE E Wind spd 2 5 8 6 4 3 4 4 3 5 9 9 5 4 3 3 3 4 4 4 3 Clouds B1 B2 B1 B1 B2 OV B2 B2 SC FW FW FW FW FW CL CL CL CL FW FW CL PoP 12hr 60 30 5 0 0 QPF 12hr 0.05 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S C S Tstms S S C S Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 49 77 53 77 54 83 56 77 Temp 53 53 74 66 56 56 74 67 57 58 80 71 61 58 74 66 Dewpt 47 48 51 51 53 53 55 55 54 54 55 54 54 52 49 47 PWind dir NE E E NE N N NE N Wind char LT LT LT LT LT LT LT LT Avg clouds CL FW FW FW SC SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 5 10 5 0 0 0 $$ MDZ017-062000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 738 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 62 71 59 74 Temp 75 82 84 81 73 70 69 66 66 66 68 69 65 64 62 61 64 70 73 73 67 Dewpt 69 70 72 71 72 69 67 63 61 60 58 56 57 55 54 53 55 54 53 52 53 RH 82 67 67 72 97 97 93 90 84 81 70 63 75 73 75 75 73 57 49 48 61 Wind dir S S S S NW N N N N N N N W N N N N N N N NE Wind spd 8 9 10 10 6 5 6 9 10 10 8 5 4 5 8 9 10 10 10 9 5 Clouds CL FW SC B1 OV B2 B2 B2 OV B2 B2 B1 B1 SC FW FW CL FW FW SC SC PoP 12hr 70 70 30 0 0 QPF 12hr 0.15 0.31 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L C C C C C Tstms S C C S Obvis PF Heat index 86 90 85 Max heat 90 89 Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 76 63 74 63 78 63 75 Temp 63 64 74 68 65 67 72 69 65 66 76 71 67 67 74 68 Dewpt 56 58 58 60 61 63 64 64 63 63 60 60 60 60 58 56 PWind dir NE NE NE N NE N NE NE Wind char LT GN GN GN LT GN LT GN Avg clouds SC SC B1 B2 B2 OV B2 B2 B1 B1 SC SC SC FW FW FW PoP 12hr 0 10 30 30 20 5 0 0 Rain shwrs S C C S S $$ WVZ502-062000- Petersburg WV 38.99N 79.15W Elev. 963 ft 738 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 82 52 75 44 76 Temp 64 77 79 76 68 62 58 54 54 68 72 73 62 53 49 45 46 65 73 74 62 Dewpt 62 65 64 62 60 58 55 51 50 50 47 46 47 47 45 43 43 47 45 45 48 RH 93 67 60 62 76 87 90 90 86 52 41 38 58 80 86 93 89 52 37 35 60 Wind dir E N NW NW NW NW NW W W NW NW NW NW W W W W NE NE E E Wind spd 2 3 5 5 4 3 2 2 2 4 6 8 5 2 2 2 2 2 3 4 3 Clouds B2 B2 B1 B2 B2 B2 B2 B1 FW FW FW FW FW FW CL FW FW CL FW CL CL PoP 12hr 60 30 0 0 0 QPF 12hr 0.01 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S Tstms C Obvis PF PF PF Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 44 77 48 80 51 83 52 79 Temp 48 47 74 63 51 51 76 67 54 53 80 70 57 53 76 66 Dewpt 44 43 49 51 49 50 55 57 53 51 54 56 53 51 53 52 PWind dir S SE S NE W N NW NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC FW FW FW FW FW FW FW SC PoP 12hr 0 0 5 5 5 5 0 0 $$ MDZ014-062000- Annapolis MD 38.99N 76.49W Elev. 7 ft 738 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 62 72 58 73 Temp 75 81 83 80 73 70 68 65 64 66 69 71 67 63 62 60 61 68 71 72 68 Dewpt 70 70 71 70 69 67 64 61 59 58 56 53 54 54 53 53 52 51 50 49 51 RH 84 69 67 72 87 90 87 87 84 75 63 53 63 72 72 78 72 54 47 44 54 Wind dir S S S W N N N N N N NW NW NW NW N N N NE NE NE NE Wind spd 5 8 10 9 5 5 5 8 8 8 6 6 5 5 5 8 6 9 9 6 4 Clouds FW SC B2 B2 B2 OV B2 OV B2 B2 B1 SC FW FW FW CL CL FW FW FW FW PoP 12hr 80 60 20 0 0 QPF 12hr 0.32 0.31 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C S S S S Tstms C C S Obvis PF Heat index 85 88 83 Max heat 88 86 Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 74 61 73 61 78 61 75 Temp 62 62 72 68 64 63 71 70 65 63 75 72 67 64 72 69 Dewpt 56 56 55 57 60 60 60 60 62 59 58 58 60 57 55 54 PWind dir NE E NE NE NE NE NE NE Wind char LT GN LT GN LT LT LT GN Avg clouds FW SC SC B1 B2 B2 B2 B1 SC SC SC SC FW FW FW FW PoP 12hr 0 5 20 20 10 5 0 0 Rain shwrs S S S $$