635
FOUS51 KLWX 111501
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1101 AM EDT FRI SEP 11 2026
VAZ054-112000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
1101 AM EDT FRI SEP 11 2026
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26
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 83 70 84 71 87
TEMP 80 81 77 73 71 71 71 77 81 82 78 74 73 73 73 79 84 86 81
DEWPT 66 66 66 66 67 67 68 69 71 72 72 72 72 72 72 72 72 71 71
RH 62 60 69 79 87 87 90 76 72 72 82 93 97 97 97 79 67 61 72
WIND DIR NE E E E E NE E SE SE SE SE S S SW W NW NW W W
WIND SPD 6 6 6 5 4 5 4 8 9 9 6 8 5 5 5 8 8 6 5
CLOUDS OV B2 B2 B1 B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B1 SC SC FW
POP 12HR 20 30 70 90 20
QPF 12HR 0.01 0.17 0.14 0.25 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C C C D D L L S S
TSTMS S S C C S
HEAT INDEX 82 83 85 87 90 91 85
MAX HEAT 82 83 85 87 90 91
DATE MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 84 65 84 66 88 69 88
TEMP 74 71 81 77 67 66 81 77 68 68 85 80 71 70 85 81
DEWPT 69 65 62 59 58 60 63 63 65 65 68 67 67 66 68 68
PWIND DIR W N NE SE S S S SW
WIND CHAR GN GN GN GN GN LT GN GN
AVG CLOUDS FW FW SC SC SC FW FW FW FW FW FW FW SC SC SC B1
POP 12HR 0 5 0 0 0 5 20 30
RAIN SHWRS S S C
MDZ013-112000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
1101 AM EDT FRI SEP 11 2026
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26
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 67 82 68 86
TEMP 78 79 73 70 68 68 69 76 80 81 76 72 71 70 71 78 84 85 80
DEWPT 64 63 65 65 66 66 66 67 69 71 72 72 71 70 71 74 74 73 73
RH 62 58 76 84 93 93 90 74 69 72 87100100100100 88 72 67 79
WIND DIR NE E E E E E E E SE SE SE S S SW W NW NW W W
WIND SPD 4 3 2 1 1 2 4 8 9 8 5 3 2 1 2 5 4 4 2
CLOUDS B2 B1 B1 B1 B1 B2 B2 B2 OV B2 OV OV B2 B2 B2 B1 SC SC FW
POP 12HR 10 20 60 90 20
QPF 12HR 0.01 0 0.08 0.37 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C D D L L S S
TSTMS S C C C
HEAT INDEX 83 85 91 92 84
MAX HEAT 81 83 85 91 93
DATE MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 69 82 62 81 65 86 67 86
TEMP 71 69 79 75 64 63 79 75 66 66 83 78 69 68 84 79
DEWPT 69 66 63 62 58 60 65 65 65 66 70 70 67 67 71 70
PWIND DIR NW N NE SE S S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC SC FW FW SC FW FW FW FW SC SC SC B1
POP 12HR 0 5 0 0 0 5 20 30
RAIN SHWRS S C
MDZ011-112000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
1101 AM EDT FRI SEP 11 2026
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26
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 69 83 71 87
TEMP 79 80 75 71 69 69 71 77 80 80 76 73 72 72 73 79 85 86 81
DEWPT 62 62 63 64 65 65 66 66 68 69 70 72 71 72 72 71 71 70 70
RH 56 54 66 79 87 87 84 69 67 69 82 97 97100 97 77 63 59 69
WIND DIR NE E E N N E E SE SE SE SE S S N W NW NW W W
WIND SPD 3 3 2 0 0 1 3 8 9 9 6 3 1 0 1 4 4 4 2
CLOUDS B2 B1 B1 B1 B1 OV B2 B2 B2 OV OV OV B2 B2 B2 B1 SC SC SC
POP 12HR 5 10 60 90 20
QPF 12HR 0 0 0.10 0.40 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C D D L L S S
TSTMS S C C C
HEAT INDEX 81 83 83 90 91 85
MAX HEAT 82 83 85 90 91
DATE MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 83 64 82 67 87 69 87
TEMP 73 70 80 75 65 65 80 75 68 68 84 79 70 70 85 80
DEWPT 68 63 59 57 56 57 60 61 64 64 67 66 65 65 67 67
PWIND DIR NW N NE SE S S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC SC FW FW FW FW FW FW FW SC SC SC B1
POP 12HR 5 5 0 0 0 10 20 30
RAIN SHWRS S C
WVZ052-112000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
1101 AM EDT FRI SEP 11 2026
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26
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 79 63 80 65 84
TEMP 78 77 72 67 66 65 65 73 78 78 72 70 70 68 68 77 83 84 78
DEWPT 64 64 65 64 64 64 65 67 69 70 70 70 70 68 68 71 70 69 69
RH 62 64 79 90 93 97100 81 74 76 93100100100100 82 65 61 74
WIND DIR N N N N N N SE SE SE SE SE S N N N NW NW W N
WIND SPD 0 0 0 0 0 0 3 8 9 8 4 1 0 0 0 6 5 5 0
CLOUDS B2 B2 B1 SC B2 OV B2 B2 OV B2 B2 B2 B2 B2 B2 B1 SC FW FW
POP 12HR 10 40 70 80 10
QPF 12HR 0.06 0.13 0.14 0.29 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C D D C C
TSTMS S S C C S
OBVIS PF PF
HEAT INDEX 87 88
MAX HEAT 83 87 88
DATE MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 64 80 57 81 61 86 64 86
TEMP 68 64 80 72 61 60 79 75 65 64 84 78 68 66 84 78
DEWPT 67 63 61 59 57 57 62 63 63 63 69 68 66 66 69 69
PWIND DIR NW N E SE S S S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC SC FW FW FW FW SC SC SC SC B1
POP 12HR 5 5 0 0 0 20 20 40
RAIN SHWRS S S S C
TSTMS S S
VAZ506-112000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
1101 AM EDT FRI SEP 11 2026
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26
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 83 68 86
TEMP 79 78 73 69 67 68 68 76 81 79 74 72 71 70 70 78 84 85 79
DEWPT 66 66 66 66 66 66 67 69 71 72 72 72 71 70 70 75 76 74 73
RH 64 67 79 90 97 93 97 79 72 79 93100100100100 91 77 70 82
WIND DIR N NE E E E E E SE SE SE SE S S SW W NW NW W W
WIND SPD 4 3 2 1 1 1 3 8 8 6 4 2 1 1 2 5 5 4 2
CLOUDS B2 B2 B2 B1 B2 OV B2 B2 B2 B1 OV OV OV B2 B2 B1 SC FW FW
POP 12HR 20 30 80 80 10
QPF 12HR 0.01 0.06 0.18 0.24 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S C C D D C C
TSTMS S S C C S
OBVIS PF
HEAT INDEX 85 93 93
MAX HEAT 82 85 87 93 94
DATE MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 67 82 60 83 63 87 66 88
TEMP 70 67 81 74 63 62 81 75 65 65 85 78 68 68 85 79
DEWPT 69 66 67 64 59 60 67 67 65 65 72 71 67 67 72 71
PWIND DIR NW N NE SE S S S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC SC SC SC FW FW FW FW FW SC SC SC B1
POP 12HR 5 5 0 0 0 10 10 30
RAIN SHWRS C
VAZ037-112000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
1101 AM EDT FRI SEP 11 2026
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26
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 65 81 66 85
TEMP 79 78 72 69 68 67 66 73 79 80 73 71 71 69 69 79 85 83 75
DEWPT 70 70 70 68 68 67 66 70 72 73 72 71 71 69 69 73 73 72 72
RH 74 76 93 97100100100 90 79 79 97100100100100 82 67 70 90
WIND DIR NE NE NE N N N N N SE SE N N N N N N N NE N
WIND SPD 5 5 3 0 0 0 0 0 4 4 0 0 0 0 0 0 0 1 0
CLOUDS B2 B1 B1 B2 B2 OV B2 OV B2 B2 OV OV B2 B2 B1 SC SC SC FW
POP 12HR 60 50 70 80 20
QPF 12HR 0.13 0.08 0.49 0.39 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C S C C S S C D D S S S S S S
TSTMS C C S S S C C S S S
OBVIS PF PF PF PF PF
HEAT INDEX 84 92 88
MAX HEAT 86 92 92
DATE MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 66 83 60 82 62 86 65 87
TEMP 69 67 81 73 64 62 80 73 65 64 85 77 68 66 86 77
DEWPT 69 67 65 64 61 60 63 65 64 64 68 69 67 66 68 69
PWIND DIR N NE NE S S S N S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC FW SC SC SC SC FW FW FW FW SC SC SC SC B1
POP 12HR 5 20 0 0 0 20 10 30
RAIN SHWRS S S C
TSTMS S
MDZ003-112000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
1101 AM EDT FRI SEP 11 2026
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26
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 64 80 66 84
TEMP 78 79 73 66 65 66 66 72 77 77 72 70 70 68 69 76 82 84 77
DEWPT 62 62 63 63 63 63 64 66 68 69 70 69 70 68 69 72 73 71 70
RH 58 56 71 90 93 90 93 81 74 76 93 97100100100 87 74 65 79
WIND DIR NE SE S SE E E E SE SE SE SE SE S SW W NW NW NW W
WIND SPD 2 3 2 2 2 2 3 8 9 6 4 4 2 1 2 4 4 4 2
CLOUDS B1 B1 SC SC B2 OV OV OV B2 B2 OV OV B2 B2 B2 B1 SC SC SC
POP 12HR 5 20 70 90 10
QPF 12HR 0 0 0.23 0.32 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L S C L D D C C
TSTMS S S S C C S
HEAT INDEX 87 89
MAX HEAT 87 90
DATE MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 64 80 58 81 62 85 65 85
TEMP 68 64 77 71 61 59 79 74 65 64 83 77 68 67 83 78
DEWPT 67 63 62 60 56 57 65 64 63 64 71 69 66 66 71 70
PWIND DIR NW N E SE S S S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC SC FW FW FW FW B1 SC SC SC B1
POP 12HR 5 5 0 0 0 30 30 40
RAIN SHWRS C C S C
TSTMS S
MDZ017-112000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
1101 AM EDT FRI SEP 11 2026
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26
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 71 82 71 85
TEMP 81 80 75 72 72 72 73 78 80 80 76 74 73 73 74 79 83 84 78
DEWPT 70 69 69 68 69 70 71 72 73 73 73 73 73 73 74 75 75 74 73
RH 69 69 82 87 90 93 93 82 79 79 90 97100100100 88 77 72 85
WIND DIR N NE E E E E E SE SE SE SE S S SW SW NW NW S SW
WIND SPD 8 6 4 5 4 5 8 10 11 11 8 6 5 4 4 5 4 2 2
CLOUDS B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 SC SC FW
POP 12HR 30 30 60 80 40
QPF 12HR 0.04 0.16 0.12 0.27 0.02
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C S C S C C D D D D C C
TSTMS S S S S C C C S S S
HEAT INDEX 85 83 84 84 90 91
MAX HEAT 85 84 84 87 90 92
DATE MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 82 67 80 68 83 70 84
TEMP 74 74 80 76 70 69 79 75 71 71 81 78 73 72 82 79
DEWPT 72 70 66 63 63 64 64 65 68 68 68 68 69 69 69 69
PWIND DIR W N NE SE S S S S
WIND CHAR LT GN LT LT LT LT LT GN
AVG CLOUDS FW FW FW SC SC SC FW FW FW FW CL FW FW SC FW SC
POP 12HR 0 0 0 0 0 5 5 20
RAIN SHWRS S
WVZ502-112000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
1101 AM EDT FRI SEP 11 2026
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26
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 79 64 84 64 87
TEMP 76 78 73 68 66 66 66 76 83 81 73 70 68 66 66 76 85 86 77
DEWPT 68 69 68 67 65 65 65 69 70 71 70 69 68 66 66 73 71 69 69
RH 76 74 84 97 97 97 97 79 65 72 90 97100100100 90 63 57 76
WIND DIR N NE NW NW N N E S SE S SE S SW W N N NW NW W
WIND SPD 1 2 1 1 0 0 1 3 4 2 1 1 1 1 0 0 2 3 2
CLOUDS OV B2 B2 B2 B2 B2 B2 B1 B2 B2 OV OV B2 B2 B1 SC SC SC FW
POP 12HR 50 40 70 70 10
QPF 12HR 0.12 0 0.12 0.32 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S C C L L L C C
TSTMS S S S C C S
OBVIS PF PF PF
HEAT INDEX 87 85 90 90
MAX HEAT 87 86 90 92
DATE MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 62 83 58 87 62 90 64 89
TEMP 65 62 80 72 61 60 84 75 65 64 87 79 68 66 87 79
DEWPT 65 62 65 63 60 59 66 66 63 62 70 70 66 64 70 70
PWIND DIR W N E S SW W SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC FW FW FW FW B1 B1 SC B1 B1
POP 12HR 5 20 0 5 0 30 10 50
RAIN SHWRS S C C C
TSTMS S S S
MDZ014-112000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
1101 AM EDT FRI SEP 11 2026
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26
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 69 81 71 85
TEMP 80 79 76 71 70 70 71 79 81 81 78 73 72 72 73 80 84 85 81
DEWPT 66 65 66 67 67 67 68 69 70 71 72 73 72 72 73 72 72 72 73
RH 62 62 71 87 90 90 90 72 69 72 82100100100100 77 67 65 77
WIND DIR NE NE N SE N E E SE SE SE SE S S N W NW NW SW N
WIND SPD 9 5 0 1 0 3 5 10 11 11 8 5 3 0 3 6 4 5 0
CLOUDS B2 B2 B1 SC B1 B2 B1 B2 B2 B1 OV OV OV OV B2 B1 SC SC SC
POP 12HR 10 20 60 90 20
QPF 12HR 0 0.04 0.25 0.38 0.02
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C D D D D S S
TSTMS S C C C
HEAT INDEX 82 85 85 84 90 91 86
MAX HEAT 82 82 85 85 90 91
DATE MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 81 65 81 66 85 68 86
TEMP 73 71 81 76 67 66 79 76 68 68 82 79 70 70 83 80
DEWPT 71 66 62 61 60 61 65 65 66 66 70 69 67 68 71 70
PWIND DIR NW N NE SE S S S S
WIND CHAR LT GN LT LT LT LT LT GN
AVG CLOUDS FW FW SC SC SC FW FW SC FW FW FW FW SC SC SC B1
POP 12HR 0 0 0 0 0 5 10 30
RAIN SHWRS C
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