930
FOUS51 KLWX 151430
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1030 AM EDT TUE SEP 15 2026
VAZ054-152000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
1030 AM EDT TUE SEP 15 2026
DATE TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 61 85 66 88
TEMP 73 78 80 73 66 63 62 63 76 83 84 78 71 68 66 68 79 85 86 80
DEWPT 52 52 53 54 56 58 59 59 59 60 60 60 59 61 61 61 61 62 63 62
RH 48 40 39 51 70 84 90 87 56 46 44 54 66 78 84 78 54 46 46 54
WIND DIR E SE SE SE S S S S S S S S S S S S S S S S
WIND SPD 5 6 9 9 8 5 3 4 8 6 9 9 8 6 6 6 8 9 11 11
CLOUDS CL FW CL SC FW FW FW FW CL SC FW FW CL FW FW FW FW FW SC SC
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 80 83 84 86 87 81
MAX HEAT 80 83 84 86 87
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 88 69 82 70 87 70 82
TEMP 73 72 86 81 72 69 79 77 71 71 84 81 73 70 79 75
DEWPT 63 64 68 65 62 61 65 65 67 67 69 68 67 66 66 65
PWIND DIR SW N NE E S SW SW NE
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS SC SC SC B1 SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 10 40 10 10 5 30 40 50
RAIN SHWRS C C C S C
TSTMS S S S S
MDZ013-152000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
1030 AM EDT TUE SEP 15 2026
DATE TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 77 60 83 64 86
TEMP 70 74 76 70 64 61 60 62 75 81 82 75 68 65 64 66 78 84 84 77
DEWPT 51 51 52 55 57 58 59 61 63 63 64 64 62 61 61 62 65 66 67 66
RH 51 44 43 59 78 90 96 97 66 54 55 69 81 87 90 87 64 55 57 69
WIND DIR E E SE SE SE S SW SW S S S S S S SW S S S S S
WIND SPD 6 5 5 3 3 2 1 2 4 5 6 4 2 2 2 2 5 8 9 5
CLOUDS CL FW CL FW FW SC FW FW FW SC FW FW FW FW FW FW FW FW SC SC
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 82 83 86 87
MAX HEAT 82 83 86 88
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 86 65 80 67 86 67 80
TEMP 71 71 85 79 68 66 77 74 68 69 84 79 69 68 77 73
DEWPT 64 66 70 66 61 61 66 67 67 68 70 70 67 66 68 66
PWIND DIR SW N NE E S SW E NE
WIND CHAR LT LT LT GN LT GN LT GN
AVG CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 10 20 5 10 10 40 40 50
RAIN SHWRS S C C S C C
TSTMS S S S
MDZ011-152000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
1030 AM EDT TUE SEP 15 2026
DATE TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 61 84 66 87
TEMP 71 76 76 69 65 63 61 63 76 82 82 75 70 67 66 68 79 85 85 78
DEWPT 49 50 50 53 56 57 58 58 58 58 61 59 59 60 60 59 61 61 64 62
RH 46 40 40 57 73 81 90 84 54 44 49 58 68 78 81 73 54 45 50 58
WIND DIR E SE SE SE SE S N SW S S S S S S S S S S S S
WIND SPD 4 5 5 2 3 1 0 1 4 6 8 3 2 1 1 2 4 8 9 5
CLOUDS FW CL CL FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW SC SC
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 82 83 85 86
MAX HEAT 82 83 85 86
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 66 81 70 87 69 81
TEMP 73 73 86 79 68 67 78 75 70 71 84 79 71 70 79 73
DEWPT 63 65 66 62 60 59 62 62 66 67 67 67 66 65 64 62
PWIND DIR SW N NE E S SW NE NE
WIND CHAR LT LT LT GN LT GN LT GN
AVG CLOUDS SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B1
POP 12HR 10 20 5 10 10 40 40 50
RAIN SHWRS S C C S C C
TSTMS S S S
WVZ052-152000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
1030 AM EDT TUE SEP 15 2026
DATE TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 54 84 62 88
TEMP 66 75 77 70 61 58 56 57 74 82 84 77 68 64 62 64 78 86 86 77
DEWPT 46 51 52 53 54 53 54 55 58 60 61 62 62 61 61 62 65 66 68 68
RH 48 43 42 55 78 83 93 93 57 47 46 60 81 90 97 93 64 51 55 74
WIND DIR S S S SE S S N N S S S SE N N N N S S S SW
WIND SPD 5 8 8 4 5 2 0 0 1 4 5 3 0 0 0 0 2 5 5 3
CLOUDS FW FW FW CL FW SC FW FW SC FW FW FW FW FW FW FW SC B1 B1 SC
POP 12HR 0 0 0 0 30
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S
TSTMS S S
HEAT INDEX 82 84 88 89
MAX HEAT 82 84 88 90
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 83 60 78 64 85 63 76
TEMP 70 69 82 76 65 63 76 73 68 67 83 77 68 65 74 70
DEWPT 67 68 68 65 59 58 62 65 65 66 68 68 66 64 65 63
PWIND DIR W N NE SE S SW NE N
WIND CHAR LT LT LT LT GN GN LT GN
AVG CLOUDS SC SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2
POP 12HR 20 40 5 10 10 50 40 60
RAIN SHWRS S C C C S C L
TSTMS S S S
VAZ506-152000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
1030 AM EDT TUE SEP 15 2026
DATE TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 57 85 62 88
TEMP 71 77 78 70 63 60 58 59 76 83 83 75 69 64 63 64 79 86 86 78
DEWPT 50 52 53 55 55 57 58 59 62 64 65 64 63 62 61 61 65 67 68 67
RH 47 42 42 59 75 90100100 62 53 55 69 81 93 93 90 62 53 55 69
WIND DIR E SE S SE S S S S S S S S S S S S S S S S
WIND SPD 2 4 4 5 4 3 2 3 5 5 5 4 3 3 3 3 5 6 6 5
CLOUDS FW FW FW FW FW FW FW FW FW SC CL FW FW FW FW FW FW FW FW SC
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
HEAT INDEX 84 85 89 89
MAX HEAT 84 87 89 91
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 68 86 64 81 66 87 65 80
TEMP 71 70 85 78 67 65 79 75 69 68 84 78 69 66 77 72
DEWPT 64 67 72 68 63 61 68 68 67 68 72 71 68 66 70 68
PWIND DIR SW N NE SE S SW W NE
WIND CHAR LT LT LT LT LT GN LT GN
AVG CLOUDS SC SC SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 20 40 10 10 10 40 40 50
RAIN SHWRS S C C C S C
TSTMS S S S S
VAZ037-152000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
1030 AM EDT TUE SEP 15 2026
DATE TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 56 84 61 88
TEMP 67 75 77 68 62 59 57 58 74 82 82 73 68 65 63 62 79 86 86 76
DEWPT 54 53 55 57 56 56 57 57 60 61 62 63 63 62 61 61 63 63 65 65
RH 63 46 47 68 81 90100 96 62 49 51 71 84 90 93 97 58 46 50 69
WIND DIR E SE SE N N N N N S S S N N N N N S S S S
WIND SPD 4 4 4 0 0 0 0 0 4 4 4 0 0 0 0 0 3 5 5 1
CLOUDS FW FW FW FW FW FW FW FW FW FW FW CL FW FW FW FW CL FW FW FW
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 83 83 87 88
MAX HEAT 83 85 87 88
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 87 65 79 66 87 66 80
TEMP 70 69 86 77 69 65 77 74 69 68 84 77 70 66 78 72
DEWPT 64 65 70 70 66 63 66 68 68 68 69 69 68 66 67 67
PWIND DIR S NE NE E S SW W NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW SC B2 B1 B1 B1 B1 B1 B1 SC B1 B1 SC SC B2
POP 12HR 5 60 40 10 10 30 30 60
RAIN SHWRS L C C C S L
TSTMS C S S S
MDZ003-152000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
1030 AM EDT TUE SEP 15 2026
DATE TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 56 84 63 87
TEMP 68 75 77 70 61 59 57 58 73 82 83 76 69 65 63 65 77 85 85 77
DEWPT 47 51 52 53 53 53 55 57 60 63 65 65 63 62 61 62 66 68 70 69
RH 47 43 42 55 75 80 93 96 64 53 55 69 81 90 93 90 69 57 61 76
WIND DIR S S S SE S S S S S S S SE SE SE SE S S SW SW SW
WIND SPD 3 5 6 4 5 4 3 2 3 4 5 3 2 2 2 2 3 5 5 3
CLOUDS FW FW FW FW CL FW FW SC SC FW SC FW FW FW SC SC SC B1 B1 B1
POP 12HR 0 0 0 0 30
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C
TSTMS S S
HEAT INDEX 83 85 88 90
MAX HEAT 83 85 88 91
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 68 83 60 79 65 84 63 77
TEMP 70 70 82 75 63 62 76 73 67 67 81 76 67 64 74 69
DEWPT 67 68 69 65 59 58 64 65 66 67 70 69 65 64 66 64
PWIND DIR W N NE SE S SW NE NE
WIND CHAR LT LT LT LT GN GN LT GN
AVG CLOUDS B1 SC B1 SC SC B1 B1 B1 B1 B2 B1 B1 B1 B2 B2 B1
POP 12HR 30 20 5 10 20 50 40 50
RAIN SHWRS C S S C C C C C
TSTMS S S S S
MDZ017-152000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
1030 AM EDT TUE SEP 15 2026
DATE TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 77 65 80 66 83
TEMP 72 75 76 71 68 67 65 67 76 78 78 72 70 68 66 69 78 81 81 75
DEWPT 57 55 56 58 60 60 60 62 62 61 61 62 63 64 63 63 64 63 65 65
RH 59 50 50 63 76 78 84 84 62 56 56 71 78 87 90 81 62 54 58 71
WIND DIR E E SE SE SE S S SW SE SE SE S S S SW SW S S S S
WIND SPD 8 4 3 3 6 4 2 2 3 5 6 4 4 4 4 3 4 8 10 8
CLOUDS CL FW FW FW FW SC FW FW FW FW FW FW CL FW CL CL CL CL CL FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 82 83
MAX HEAT 82 83
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 86 69 80 70 85 71 81
TEMP 71 72 85 79 73 72 79 76 73 73 83 79 73 72 79 75
DEWPT 66 65 70 70 67 66 67 68 69 70 71 71 70 69 70 68
PWIND DIR SW N NE E S S SW NE
WIND CHAR LT LT LT GN GN GN GN GN
AVG CLOUDS FW SC FW SC SC B1 SC SC SC B1 SC B1 B1 B1 B1 B1
POP 12HR 5 20 20 5 5 30 40 50
RAIN SHWRS S S C C C C C
TSTMS S S
WVZ502-152000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
1030 AM EDT TUE SEP 15 2026
DATE TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 56 90 63 90
TEMP 63 79 82 72 63 59 58 58 78 88 89 79 70 66 64 65 82 88 88 77
DEWPT 57 57 59 59 57 56 55 56 64 66 67 67 65 63 61 62 69 71 72 71
RH 81 47 46 64 81 90 90 93 62 48 48 67 84 90 90 90 65 57 59 82
WIND DIR S SE SE S S S S S N E SE S S SW SW SW N W W W
WIND SPD 2 3 4 2 4 2 1 1 0 1 2 1 2 1 1 1 0 2 2 2
CLOUDS FW FW FW FW FW FW FW FW SC SC FW FW FW FW SC SC SC B1 B1 B1
POP 12HR 0 0 0 0 40
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C
TSTMS C C
OBVIS PF PF
HEAT INDEX 82 90 92 85 94 95
MAX HEAT 82 90 92 94 96
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 85 61 82 64 87 63 79
TEMP 69 68 82 75 65 61 79 74 67 66 84 76 67 63 76 70
DEWPT 67 67 73 69 64 60 68 67 65 65 70 69 65 63 68 64
PWIND DIR W N NE SE S SW SW N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC B1 B2 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B2
POP 12HR 10 70 20 30 10 40 40 70
RAIN SHWRS C L S C C C C C L
TSTMS S C S S S
MDZ014-152000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
1030 AM EDT TUE SEP 15 2026
DATE TUE 09/15/26 WED 09/16/26 THU 09/17/26
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 76 62 80 66 83
TEMP 71 76 76 72 66 65 63 64 76 79 79 75 70 67 66 68 79 83 83 78
DEWPT 53 53 54 57 60 60 60 60 61 61 61 61 64 63 62 61 63 64 65 65
RH 53 45 46 59 81 84 90 87 60 54 54 62 81 87 87 78 58 53 55 64
WIND DIR E SE SE SE SE S N N S S S S S S SW S S S S S
WIND SPD 4 4 4 2 6 4 0 0 5 9 9 6 4 3 3 4 8 11 11 9
CLOUDS CL FW CL SC FW FW SC FW FW SC FW SC FW FW FW FW FW FW FW SC
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 84 85
MAX HEAT 81 84 85
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 84 66 80 68 86 68 81
TEMP 71 72 84 79 69 68 79 75 70 71 84 80 71 69 79 74
DEWPT 65 65 68 68 64 63 67 67 67 68 71 71 68 67 69 67
PWIND DIR SW N NE E S S SW NE
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2
POP 12HR 10 20 5 5 10 40 40 50
RAIN SHWRS S C C S C C
TSTMS S S S
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