865
FOUS51 KLWX 141831
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
231 PM EDT FRI AUG 14 2026
VAZ054-142000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
231 PM EDT FRI AUG 14 2026
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 85 73 88 73 88
TEMP 82 79 76 75 74 75 82 86 87 82 77 75 74 75 80 85 86 82
DEWPT 69 70 70 70 68 67 67 67 66 66 68 70 71 72 72 73 72 72
RH 65 74 82 84 82 76 61 53 50 58 74 84 90 90 77 67 63 72
WIND DIR N N NW N N NE NE E E E SE SE SE S S S S S
WIND SPD 5 5 3 4 8 8 6 5 6 8 6 8 8 9 12 13 14 13
CLOUDS OV B2 B1 SC SC FW FW SC SC SC SC B2 B1 B1 B1 B2 B2 B2
POP 12HR 40 30 5 40 70
QPF 12HR 0.04 0 0 0.06 0.17
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C C L L L
TSTMS C C C C
HEAT INDEX 85 85 89 89 84 84 92 92 87
MAX HEAT 88 89 89 89 92 94
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 75 90 73 88 71 90 75 91
TEMP 77 77 88 85 76 75 86 82 73 73 88 84 77 76 89 84
DEWPT 74 74 73 69 68 66 63 63 64 65 66 67 70 70 69 67
PWIND DIR SW NW NW NW S S SW NW
WIND CHAR GN GN GN LT LT GN GN GN
AVG CLOUDS B2 SC SC SC SC SC FW FW FW FW FW FW SC SC SC B1
POP 12HR 60 20 5 5 5 10 20 40
RAIN SHWRS L S S S C
TSTMS C S S
MDZ013-142000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
231 PM EDT FRI AUG 14 2026
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 71 88 71 86
TEMP 83 78 75 73 72 73 81 86 86 80 76 74 73 73 81 85 83 78
DEWPT 71 71 71 69 66 67 69 68 67 68 69 71 71 73 74 74 75 75
RH 67 79 87 87 81 81 67 55 53 67 79 90 93100 79 70 77 91
WIND DIR NE NW W NW N NE NE E E SE SE SE S S S S S S
WIND SPD 3 2 1 2 3 4 5 4 4 3 3 3 3 4 9 10 10 8
CLOUDS OV B1 SC SC SC FW CL FW SC SC SC SC B1 B2 B1 B2 B2 B2
POP 12HR 30 10 5 40 70
QPF 12HR 0.05 0 0 0.04 0.18
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C L L L
TSTMS S C C C
HEAT INDEX 88 84 89 89 83 86 93 90
MAX HEAT 89 91 89 92 93 93
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 73 90 70 88 69 89 72 90
TEMP 75 75 89 83 73 72 86 81 71 71 87 82 75 74 88 82
DEWPT 74 74 75 72 68 67 66 65 66 68 69 70 70 71 71 70
PWIND DIR SW NW NW N SW S SW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC B1 SC FW FW FW FW FW FW FW SC SC SC B1
POP 12HR 70 30 5 5 5 10 30 30
RAIN SHWRS L S C C C
TSTMS C C S
MDZ011-142000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
231 PM EDT FRI AUG 14 2026
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 72 89 73 87
TEMP 84 80 76 74 72 74 82 87 87 82 77 75 74 75 82 85 83 80
DEWPT 68 68 68 67 64 63 64 64 63 63 66 69 70 71 70 71 73 72
RH 59 67 76 79 76 69 55 46 45 53 69 82 87 87 67 63 72 77
WIND DIR NE NW N N N NE E E E E SE SE S S S S S S
WIND SPD 3 2 0 2 3 3 4 4 4 3 2 2 2 4 9 10 11 9
CLOUDS OV B1 SC SC SC SC CL SC SC SC SC SC B1 B2 B1 B2 B2 B2
POP 12HR 20 10 0 40 80
QPF 12HR 0.03 0 0 0.05 0.23
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C D D L
TSTMS S C C C
HEAT INDEX 87 83 83 88 88 83 86 90 89 84
MAX HEAT 88 90 88 90 82 90 91
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 75 91 72 88 71 90 74 91
TEMP 76 77 89 84 74 73 86 82 73 73 88 83 76 76 89 83
DEWPT 73 73 72 69 67 65 62 61 63 65 66 67 69 69 68 66
PWIND DIR SW NW NW N W S SW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC B1 SC FW FW FW FW FW FW FW SC SC SC B1
POP 12HR 70 30 5 5 5 10 30 30
RAIN SHWRS L S C C C
TSTMS C C S
WVZ052-142000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
231 PM EDT FRI AUG 14 2026
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 65 86 68 86
TEMP 79 76 71 70 67 69 79 84 84 79 73 72 70 71 78 84 85 81
DEWPT 69 69 69 68 66 65 64 65 65 66 67 68 68 70 72 74 74 74
RH 72 79 93 93 97 87 60 53 53 64 81 87 93 97 82 72 70 79
WIND DIR N N N N N N N SE SE N N N S S S S SW SW
WIND SPD 0 0 0 0 3 3 0 3 2 0 0 0 4 6 8 10 10 8
CLOUDS OV B1 SC SC SC FW FW SC B1 SC SC B1 B2 B2 B2 B2 B2 B2
POP 12HR 40 10 5 60 80
QPF 12HR 0.07 0 0 0.10 0.38
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C D D D D L
TSTMS S S S S C C C
OBVIS PF PF PF
HEAT INDEX 86 86 91 93 86
MAX HEAT 83 84 86 88 91 94
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 87 65 85 63 88 68 87
TEMP 73 73 86 80 69 68 83 79 66 68 86 82 72 71 85 79
DEWPT 72 72 71 68 66 64 62 61 61 63 65 66 67 67 68 66
PWIND DIR W NW NW NW NW SW SW NW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW SC SC B1 SC B1
POP 12HR 60 20 5 0 0 5 20 30
RAIN SHWRS L S S S C
TSTMS C S S
VAZ506-142000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
231 PM EDT FRI AUG 14 2026
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 69 87 70 87
TEMP 81 77 74 72 70 71 81 85 85 80 75 73 72 72 79 85 86 81
DEWPT 73 73 72 71 69 68 70 71 70 70 70 70 71 72 75 77 76 75
RH 77 87 93 97 97 90 69 63 61 72 84 90 97100 88 77 72 82
WIND DIR N N N N N N NE NE E E SE SE S S S S S S
WIND SPD 3 2 1 1 3 3 3 3 3 3 2 2 4 5 9 10 9 8
CLOUDS OV B2 B1 B1 SC SC FW SC SC SC SC SC B2 B2 B2 B2 B2 B2
POP 12HR 40 30 5 50 70
QPF 12HR 0.19 0 0 0.13 0.25
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L L L L
TSTMS C S S S C C C
HEAT INDEX 86 85 90 90 83 96 96 87
MAX HEAT 89 91 90 92 96 97
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 89 69 86 67 89 71 89
TEMP 74 74 87 82 72 71 84 80 69 70 87 83 74 73 87 81
DEWPT 73 74 76 73 69 68 68 67 66 67 71 70 70 71 73 70
PWIND DIR SW NW NW NW NW S SW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 SC SC SC SC SC FW FW FW SC FW SC SC SC SC B1
POP 12HR 60 20 5 5 5 10 20 40
RAIN SHWRS L S S C
TSTMS C S S
VAZ037-142000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
231 PM EDT FRI AUG 14 2026
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 85 70 85 70 89
TEMP 81 76 74 73 71 72 79 83 82 77 74 73 72 72 81 88 86 81
DEWPT 73 74 73 72 71 72 70 71 70 71 72 71 71 72 74 75 75 74
RH 77 94 97 97100100 74 67 67 82 93 93 97100 79 66 70 79
WIND DIR NE NE N N N NE NE E E N N N N S S S SW SW
WIND SPD 4 3 0 0 0 2 4 3 3 0 0 0 0 3 6 8 8 6
CLOUDS B2 B2 B2 B1 SC B1 B1 B1 SC SC B1 B1 B1 B2 B1 B1 B1 SC
POP 12HR 60 40 20 40 50
QPF 12HR 0.03 0.08 0.02 0.01 0.08
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C S S S S S S C C C C C S
TSTMS C C S S S S S S S C C S
OBVIS PF PF PF
HEAT INDEX 86 88 86 86 98 95 86
MAX HEAT 89 92 88 90 98 98
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 69 87 67 89 70 90
TEMP 74 74 89 83 73 70 85 79 70 70 87 82 73 72 88 80
DEWPT 73 73 72 72 70 69 67 67 66 66 67 68 69 69 69 69
PWIND DIR SW NW NW NE E SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 B1 SC SC SC SC SC SC FW SC SC SC B1
POP 12HR 20 30 10 10 10 5 20 40
RAIN SHWRS S C S C
TSTMS S C S
MDZ003-142000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
231 PM EDT FRI AUG 14 2026
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 80 66 86 69 86
TEMP 79 77 71 69 67 69 79 84 84 79 74 72 71 71 77 83 84 80
DEWPT 69 69 68 66 63 64 65 66 66 67 67 67 67 70 73 75 75 74
RH 72 76 90 90 87 84 62 55 55 67 79 84 87 97 87 77 74 82
WIND DIR NW W NW NE N N E E E E E SE SE S S S SW SW
WIND SPD 3 2 1 2 4 4 2 3 4 3 3 3 5 6 8 9 9 8
CLOUDS B2 B1 SC SC SC SC FW SC B1 B1 SC SC B1 OV OV OV OV B2
POP 12HR 20 5 0 70 90
QPF 12HR 0.06 0 0 0.09 0.33
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D D D D L
TSTMS S S C C C
HEAT INDEX 86 86 90 92 84
MAX HEAT 83 83 86 87 90 94
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 71 87 64 85 63 88 69 87
TEMP 73 73 85 80 68 68 83 79 67 68 85 81 72 71 84 79
DEWPT 72 72 73 69 66 65 64 63 62 64 67 67 67 68 69 67
PWIND DIR W NW NW NW E SW SW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW FW FW FW SC B1 SC B1
POP 12HR 70 10 0 0 0 5 20 30
RAIN SHWRS L S S C
TSTMS C S
MDZ017-142000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
231 PM EDT FRI AUG 14 2026
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 74 88 74 87
TEMP 82 78 77 76 75 76 82 86 86 80 77 76 75 76 82 85 86 82
DEWPT 73 75 74 73 73 73 72 71 70 70 72 72 72 73 72 73 73 74
RH 74 91 90 90 94 90 72 61 59 72 85 87 90 90 72 67 65 77
WIND DIR N NE N N NE NE NE NE NE SE SE SE SE S S S S S
WIND SPD 5 3 2 3 4 5 5 4 4 4 6 5 4 5 10 12 13 11
CLOUDS B2 B2 B1 B1 FW FW SC FW FW FW SC SC B1 B1 B1 B2 B2 B2
POP 12HR 50 40 10 20 60
QPF 12HR 0.05 0.05 0 0.03 0.17
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C C L L L
TSTMS C S S C C
HEAT INDEX 87 87 91 91 83 87 92 93 88
MAX HEAT 94 94 91 92 92 93
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 76 92 74 86 72 87 75 90
TEMP 78 79 91 84 78 75 83 81 75 76 85 82 78 77 88 83
DEWPT 75 76 75 74 72 70 69 67 69 69 70 71 73 74 73 72
PWIND DIR SW NW NW N SE S SW NW
WIND CHAR GN LT LT LT LT GN GN GN
AVG CLOUDS B2 B1 SC SC SC SC FW FW FW FW FW FW SC SC SC B1
POP 12HR 60 20 10 5 5 10 20 40
RAIN SHWRS L C S S C
TSTMS C S S
WVZ502-142000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
231 PM EDT FRI AUG 14 2026
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 66 85 68 90
TEMP 77 73 71 69 67 68 77 82 83 79 73 71 70 70 81 88 90 83
DEWPT 74 73 71 69 67 68 71 72 72 72 70 69 68 69 75 75 74 73
RH 90100100100100100 82 72 70 79 90 93 93 97 82 66 60 72
WIND DIR N N N N N N NE E E S S S S S SW W W W
WIND SPD 2 1 0 0 0 0 1 1 2 1 1 2 2 3 3 5 6 5
CLOUDS B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B2
POP 12HR 80 40 30 50 60
QPF 12HR 0.15 0.08 0.02 0.09 0.13
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C S S C C C S C C L L C C L
TSTMS C S S C S S S S C C C
OBVIS PF PF PF
HEAT INDEX 87 88 87 98 99 89
MAX HEAT 87 90 98 99
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 87 63 86 60 90 66 87
TEMP 72 72 85 80 69 64 84 77 64 63 87 81 70 68 84 77
DEWPT 70 70 72 71 67 64 66 65 62 63 66 68 66 66 70 68
PWIND DIR W NW NW NW W SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 B1 SC SC SC SC FW FW FW FW FW SC SC SC B1
POP 12HR 60 30 20 10 0 5 30 40
RAIN SHWRS L S C S S C S C C
TSTMS C C S S
MDZ014-142000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
231 PM EDT FRI AUG 14 2026
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 85 74 88 74 85
TEMP 84 82 78 76 75 76 83 87 86 82 77 75 74 76 82 85 84 81
DEWPT 69 71 72 71 69 68 68 68 66 66 70 71 72 72 72 73 73 74
RH 61 69 82 85 82 76 61 53 51 58 79 87 93 87 72 67 70 79
WIND DIR NE N N N N NE NE NE NE E SE SE S S S S S S
WIND SPD 5 0 0 0 5 6 8 6 5 3 5 5 5 6 11 13 13 11
CLOUDS OV B1 SC SC SC FW FW SC SC FW SC SC SC B1 B1 B2 B2 B2
POP 12HR 30 20 5 30 70
QPF 12HR 0.05 0 0 0.04 0.17
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S C C L L L
TSTMS S C C C
HEAT INDEX 88 86 86 91 88 84 87 92 90 86
MAX HEAT 89 90 84 91 90 83 92 92
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 75 91 73 88 71 89 74 91
TEMP 77 77 91 85 76 75 86 82 73 74 87 83 77 76 89 84
DEWPT 74 74 74 73 69 68 67 66 67 68 70 70 71 72 73 71
PWIND DIR SW NW NW N SE S SW NW
WIND CHAR GN GN LT LT LT LT LT GN
AVG CLOUDS B2 B1 SC B1 SC SC FW FW FW FW FW FW B1 SC SC B1
POP 12HR 70 30 5 5 5 20 30 40
RAIN SHWRS L C C S C C
TSTMS C C S
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