806
FOUS51 KLWX 141502
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1101 AM EDT FRI AUG 14 2026
VAZ054-142000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
1101 AM 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 84 83 78 76 75 74 74 81 86 86 80 76 75 73 75 80 85 85 80
DEWPT 70 69 69 70 70 69 68 68 68 67 67 68 69 70 71 70 72 72 72
RH 63 63 74 82 84 84 82 65 55 53 65 76 82 90 87 72 65 65 77
WIND DIR NE N N N N N NE E E E SE SE SE S S S S S S
WIND SPD 4 5 6 4 5 6 8 6 6 6 8 8 8 8 9 12 13 14 13
CLOUDS OV OV B1 B1 SC SC SC SC SC SC B1 SC B1 B1 B1 B2 B2 B2 B1
POP 12HR 50 30 10 30 70
QPF 12HR 0.04 0.06 0 0.02 0.25
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C C L L C
TSTMS C C S S C C C
HEAT INDEX 88 87 84 89 89 82 83 91 91 84
MAX HEAT 88 89 89 90 91 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 90 73 88 71 90 74 91
TEMP 77 77 88 84 76 74 85 81 73 73 88 83 76 76 89 83
DEWPT 74 73 73 69 67 65 63 63 64 65 66 66 69 69 69 67
PWIND DIR SW NW NW N NW SW S W
WIND CHAR GN GN GN GN LT GN GN GN
AVG CLOUDS B1 B1 SC B1 SC SC FW FW FW FW FW SC SC FW SC B1
POP 12HR 50 20 5 0 0 5 10 30
RAIN SHWRS C S C
TSTMS C S S
MDZ013-142000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
1101 AM 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 87 71 86
TEMP 84 83 77 75 73 72 73 80 85 85 78 75 73 71 73 79 83 83 77
DEWPT 71 71 70 70 69 68 69 70 70 69 69 70 70 70 72 73 74 74 74
RH 65 67 79 84 87 87 87 72 61 59 74 84 90 97 97 82 74 74 90
WIND DIR NE NE N N NE NE NE E E E E SE S S S S S S S
WIND SPD 3 3 2 1 2 3 4 5 4 4 3 3 3 3 4 9 10 11 9
CLOUDS B2 B2 SC SC SC B1 SC FW SC SC SC SC B1 B2 B2 B1 B2 B2 B2
POP 12HR 30 20 5 30 70
QPF 12HR 0.05 0.03 0 0.07 0.27
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S C C C C L L L
TSTMS S S S S C C C
HEAT INDEX 89 88 83 90 89 90 90
MAX HEAT 89 91 90 92 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 73 90 70 87 69 89 72 91
TEMP 74 75 88 83 73 72 85 79 71 71 87 81 74 73 89 81
DEWPT 73 74 75 72 68 67 66 66 65 67 68 69 69 71 72 70
PWIND DIR SW NW NW N NW SW SW NW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC SC SC SC FW FW FW FW FW FW SC FW SC B1
POP 12HR 60 20 0 0 0 5 10 30
RAIN SHWRS L S S C
TSTMS C S S
MDZ011-142000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
1101 AM 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 88 73 87
TEMP 85 84 79 76 74 72 74 81 86 86 80 76 74 73 75 80 84 83 78
DEWPT 67 68 67 68 67 66 66 66 66 65 65 67 69 69 70 69 70 72 72
RH 55 59 67 76 79 81 76 60 51 50 60 74 84 87 84 69 63 70 82
WIND DIR E NE NE N NE NE NE E E E E SE S S S S S S S
WIND SPD 3 3 2 1 1 2 3 4 4 4 3 2 2 2 4 9 11 11 9
CLOUDS B2 B2 SC SC SC B1 SC FW SC SC SC SC B1 B2 B2 B2 B2 B2 B2
POP 12HR 20 20 5 30 70
QPF 12HR 0.03 0.02 0 0.08 0.32
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C C C L L L
TSTMS S S S S C C C
HEAT INDEX 88 87 83 88 88 82 83 88 88
MAX HEAT 88 90 88 89 88 89
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 71 88 70 89 73 91
TEMP 75 76 88 84 74 72 85 80 72 72 87 82 75 75 89 82
DEWPT 73 73 72 70 66 64 62 61 63 64 64 66 68 69 68 67
PWIND DIR SW NW NW N NW SW SW W
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC SC SC SC FW FW FW FW FW FW SC FW SC B1
POP 12HR 70 20 0 0 0 5 10 30
RAIN SHWRS L S S C
TSTMS C S S
WVZ052-142000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
1101 AM 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 66 85 68 85
TEMP 80 78 75 71 70 68 69 78 83 83 78 73 70 69 71 78 83 83 79
DEWPT 69 69 70 69 68 67 66 66 67 66 67 67 68 68 69 72 73 73 74
RH 69 74 84 93 93 97 90 67 59 57 69 81 93 97 93 82 72 72 85
WIND DIR N N N N N N N E SE E N N SE SE S S SW SW SW
WIND SPD 2 0 0 0 0 2 3 3 3 3 0 0 3 4 6 9 10 9 6
CLOUDS OV B2 B1 SC SC SC SC SC B1 B1 SC SC B1 B2 B2 B2 B2 B2 B2
POP 12HR 60 20 10 40 80
QPF 12HR 0.09 0.05 0 0.09 0.29
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C C D D D D L
TSTMS C C S S S S C C S
HEAT INDEX 83 86 85 89 89
MAX HEAT 83 84 86 87 89 90
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 64 84 63 87 67 87
TEMP 72 73 85 80 69 67 82 77 65 66 85 80 70 70 86 79
DEWPT 72 71 71 69 65 64 62 62 62 63 65 66 66 67 68 67
PWIND DIR W NW NW N W SW SW NW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC SC SC SC FW FW FW FW SC SC FW SC SC B1
POP 12HR 60 20 0 0 0 5 20 30
RAIN SHWRS L S S S S C
TSTMS S S S
VAZ506-142000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
1101 AM 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 82 80 75 72 72 70 71 79 85 84 78 74 72 72 71 79 84 84 79
DEWPT 73 73 73 72 71 69 70 71 72 70 71 70 70 70 71 74 76 76 75
RH 74 79 94100 97 97 97 77 65 63 79 87 93 93100 85 77 77 88
WIND DIR N N NW NW N N N E E E E SE S S S S S S S
WIND SPD 3 3 2 1 1 2 3 3 4 3 3 2 3 4 5 9 10 9 6
CLOUDS OV B2 B1 SC B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1
POP 12HR 60 30 10 40 70
QPF 12HR 0.19 0.07 0 0.05 0.21
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C C C L L L L C
TSTMS C C S S S C C S
HEAT INDEX 87 84 91 88 93 93
MAX HEAT 87 91 91 94 93 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 72 89 68 86 66 88 70 90
TEMP 74 74 87 81 72 70 84 78 69 69 86 82 73 72 88 81
DEWPT 73 73 76 73 69 67 68 67 66 67 70 70 69 70 73 70
PWIND DIR SW NW NW NW NW SW S NW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC B1 B1 SC FW FW FW FW FW SC FW SC SC B1
POP 12HR 50 30 5 0 0 5 10 30
RAIN SHWRS C C C
TSTMS S S S
VAZ037-142000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
1101 AM 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 86 70 89
TEMP 84 81 76 73 72 72 72 79 84 82 77 74 72 72 71 80 87 85 80
DEWPT 72 73 73 73 72 71 71 71 71 71 71 72 71 71 71 73 74 74 74
RH 67 77 90100100 97 97 77 65 69 82 93 97 97100 79 65 70 82
WIND DIR SW NE NE N N N NE NE NE NE N N N N S S SW SW SW
WIND SPD 3 4 2 0 0 0 3 4 4 4 0 0 0 0 4 6 9 8 8
CLOUDS B2 B2 B1 B2 B1 SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC
POP 12HR 70 50 40 30 50
QPF 12HR 0.04 0.18 0.02 0 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C C C S S C C C C S S C C
TSTMS C C C S S S C C
HEAT INDEX 90 86 89 86 84 95 93 84
MAX HEAT 90 92 89 90 95 95
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 91 69 87 67 88 70 91
TEMP 74 74 89 82 73 71 85 78 69 69 86 81 72 72 89 81
DEWPT 73 73 72 72 70 68 66 66 65 65 66 68 68 69 68 69
PWIND DIR SW NW NW NE NE S SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 SC B1 SC SC SC SC FW FW FW FW FW B1
POP 12HR 10 20 10 5 5 10 10 30
RAIN SHWRS S C
TSTMS S S
MDZ003-142000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
1101 AM 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 82 66 86 68 85
TEMP 82 78 75 71 70 68 69 78 84 83 78 73 70 69 71 77 82 82 78
DEWPT 69 69 69 69 67 65 66 67 68 67 68 68 67 68 70 73 75 74 74
RH 65 74 82 93 90 90 90 69 59 59 71 84 90 97 97 87 79 77 88
WIND DIR W NW N N NE N N E NE E E SE SE SE S S S SW SW
WIND SPD 2 3 2 1 2 4 4 3 3 4 3 2 3 5 8 9 10 9 8
CLOUDS B2 B1 B1 SC SC SC SC SC SC B2 SC B1 B1 B2 B2 B2 B2 B2 B2
POP 12HR 20 10 20 40 80
QPF 12HR 0.06 0 0.02 0.16 0.39
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C D D D D L
TSTMS S S S S S C C S
HEAT INDEX 85 87 86 89 88
MAX HEAT 85 83 87 88 89 89
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 64 84 63 87 68 87
TEMP 72 72 85 80 69 67 82 77 66 67 84 80 71 70 85 79
DEWPT 72 72 73 69 65 64 65 64 62 64 67 67 67 68 70 68
PWIND DIR SW NW NW N S SW S NW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC SC SC SC FW FW FW FW FW FW SC SC SC B1
POP 12HR 70 20 0 0 0 5 20 30
RAIN SHWRS L S S S S S S C
TSTMS S S S
MDZ017-142000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
1101 AM 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 87 74 87
TEMP 86 85 78 76 75 74 76 81 85 85 79 76 75 74 76 82 85 85 79
DEWPT 74 73 73 73 73 72 73 72 71 70 70 71 71 71 72 72 73 73 74
RH 68 67 85 90 94 93 90 74 63 61 74 85 87 90 87 72 67 67 85
WIND DIR N N NE NE NE NE NE NE E E E SE SE S S S S S S
WIND SPD 4 5 3 3 3 4 5 6 5 5 5 6 5 5 5 10 13 14 12
CLOUDS B2 B2 B1 SC SC SC B1 SC FW FW SC SC SC SC B1 B1 B2 B2 B2
POP 12HR 60 30 20 10 60
QPF 12HR 0.08 0.08 0.03 0 0.50
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C S S S S L L L
TSTMS C C C C C C
HEAT INDEX 94 92 85 90 90 87 92 92
MAX HEAT 94 94 90 91 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 93 74 86 72 87 75 90
TEMP 77 79 91 83 77 76 83 80 74 74 84 81 77 77 88 83
DEWPT 75 76 75 74 71 69 67 66 67 69 69 70 71 72 73 72
PWIND DIR SW NW NW N NE SE S SW
WIND CHAR GN LT LT LT LT LT GN GN
AVG CLOUDS B2 SC SC B1 SC SC FW FW FW FW FW FW SC FW FW B1
POP 12HR 60 30 10 5 5 5 10 30
RAIN SHWRS L C C
TSTMS C S S
WVZ502-142000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
1101 AM 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 66 86 67 90
TEMP 81 77 74 72 70 68 68 77 81 81 78 72 70 69 68 81 86 87 80
DEWPT 74 74 72 70 69 68 68 71 72 71 72 70 69 68 68 74 75 73 73
RH 79 90 93 93 97100100 82 74 72 82 93 97 97100 79 70 63 79
WIND DIR NE N NE W N N N NE E E SE S S S S SW W W W
WIND SPD 1 2 1 1 0 0 0 1 2 2 1 1 1 2 3 3 5 8 5
WIND GUST 17
CLOUDS B2 B2 B1 B1 B1 B2 B1 SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B1
POP 12HR 80 50 50 40 70
QPF 12HR 0.21 0.09 0.07 0.02 0.12
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C S C S C S S C C L L L L C
TSTMS C C S S C S S S S S C C C
HEAT INDEX 86 85 85 86 95 94 84
MAX HEAT 86 85 90 95 95
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 88 63 86 60 90 65 89
TEMP 72 71 85 79 68 65 83 75 63 63 86 80 69 67 86 79
DEWPT 70 70 72 71 67 65 65 65 62 62 66 68 65 66 69 68
PWIND DIR W W NW NW W W SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B1 SC SC FW FW SC FW FW SC SC SC B1
POP 12HR 40 40 10 5 0 5 20 30
RAIN SHWRS C S S C S C
TSTMS C C C
MDZ014-142000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
1101 AM 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 87 73 85
TEMP 85 84 79 76 75 74 75 82 86 86 81 76 75 73 75 82 85 84 80
DEWPT 69 69 70 71 71 70 69 69 68 67 68 70 70 71 71 71 72 72 73
RH 59 61 74 85 87 87 82 65 55 53 65 82 84 93 87 69 65 67 79
WIND DIR NE NE N N N NE NE NE NE E E SE S S S S S S S
WIND SPD 6 5 0 0 0 4 5 8 6 5 4 5 5 4 6 11 14 14 12
CLOUDS OV OV SC FW B1 B1 SC FW FW SC SC SC SC B1 B1 B1 B2 B2 B2
POP 12HR 30 20 5 20 70
QPF 12HR 0.05 0.04 0 0.02 0.30
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S C C L L L
TSTMS S S S C C C
HEAT INDEX 89 88 85 89 89 84 86 91 90 84
MAX HEAT 89 90 89 91 91 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 90 73 87 71 89 74 91
TEMP 77 77 90 85 76 74 85 81 73 73 86 82 76 76 89 83
DEWPT 74 74 74 73 69 67 66 65 66 67 69 69 70 71 73 71
PWIND DIR SW NW NW N NW S S NW
WIND CHAR GN GN LT LT LT LT LT GN
AVG CLOUDS B2 B1 SC SC SC SC FW FW FW FW FW FW SC FW SC B1
POP 12HR 60 20 0 0 0 5 10 30
RAIN SHWRS L S S C
TSTMS C S S
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