316
FOUS51 KLWX 140300
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1100 PM EDT SUN SEP 13 2026
VAZ054-140800-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
1100 PM EDT SUN SEP 13 2026
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 70 80 58 81 61
TEMP 78 74 73 71 76 80 79 73 65 61 59 60 72 78 80 73 65 63 61 63
DEWPT 73 71 68 64 59 56 53 51 50 50 49 50 52 52 53 54 55 58 58 59
RH 85 90 84 79 56 44 41 46 58 67 69 69 49 40 39 51 70 84 90 87
WIND DIR W W NW N N N N N N NE N NE E SE SE SE SE S S S
WIND SPD 3 4 9 12 13 13 12 10 9 8 8 6 5 5 9 8 8 5 4 4
CLOUDS SC SC SC SC FW FW FW CL CL FW CL CL FW FW FW FW FW FW FW FW
POP 12HR 5 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
HEAT INDEX 80 80
MAX HEAT 80 80 80
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 85 66 86 69 85 68 82 68 84
TEMP 82 77 69 68 83 79 71 69 83 79 70 69 80 77 70 69 81 77
DEWPT 60 61 61 62 63 63 63 64 67 66 65 64 65 65 66 66 66 64
PWIND DIR S S S SW N NE E SE SW
WIND CHAR LT LT GN GN GN GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC SC SC SC SC B1 SC SC B1
POP 12HR 0 0 5 5 20 10 20 30 30
RAIN SHWRS S S C S C
MDZ013-140800-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
1100 PM EDT SUN SEP 13 2026
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 69 79 57 78 59
TEMP 77 73 71 70 74 77 77 70 64 60 58 59 69 75 77 71 64 61 60 62
DEWPT 72 70 68 63 59 53 52 54 51 50 49 50 53 53 52 55 56 58 58 60
RH 85 90 90 78 59 43 42 57 63 69 72 72 57 46 42 57 75 90 93 93
WIND DIR W W NW N N N N N N NE N NE E SE SE SE S S S SW
WIND SPD 3 4 10 12 13 14 12 6 4 4 3 3 4 4 4 2 3 2 1 2
WIND GUST 25
CLOUDS SC SC SC SC FW FW FW FW CL FW CL CL FW FW FW FW FW FW FW CL
POP 12HR 5 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 83 64 85 66 84 65 81 66 82
TEMP 80 76 67 65 83 78 68 68 82 77 68 66 78 75 68 67 79 75
DEWPT 62 64 62 64 67 67 64 66 69 68 65 65 67 67 66 66 68 67
PWIND DIR S S S SW N NE E S S
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW SC SC SC B1 SC SC SC SC B1 SC SC B1
POP 12HR 0 0 5 5 20 10 20 30 30
RAIN SHWRS S S C S S C
TSTMS S
MDZ011-140800-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
1100 PM EDT SUN SEP 13 2026
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 70 79 58 79 63
TEMP 78 75 72 71 75 78 77 71 65 61 59 59 70 76 78 72 66 64 63 65
DEWPT 72 70 67 62 58 53 51 50 49 49 48 48 51 50 50 52 55 57 58 59
RH 82 84 84 73 55 42 40 47 56 65 67 67 51 40 37 49 68 78 84 81
WIND DIR W W NW N N N N N N N N NE E SE SE SE SE S N N
WIND SPD 4 5 11 13 13 16 13 6 4 3 3 3 4 4 4 2 3 1 0 0
WIND GUST 21 26 25
CLOUDS SC SC SC SC FW FW FW FW CL FW CL CL FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 84 67 86 69 85 67 82 69 82
TEMP 81 77 68 69 83 79 71 70 82 78 69 68 79 76 69 70 80 76
DEWPT 60 60 61 61 63 62 63 63 65 64 64 62 63 63 64 64 64 62
PWIND DIR S S S SW N NE E S S
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC SC SC SC SC B1 SC SC B1
POP 12HR 0 0 5 5 20 10 20 30 30
RAIN SHWRS S S C S S C
TSTMS S
WVZ052-140800-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
1100 PM EDT SUN SEP 13 2026
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 77 50 78 54
TEMP 72 71 68 66 71 76 75 64 57 54 51 52 67 76 78 70 61 57 55 57
DEWPT 67 67 63 60 56 52 51 50 50 49 48 48 49 51 53 53 52 53 53 54
RH 84 87 84 81 59 43 43 60 77 83 89 86 52 42 42 55 72 86 93 90
WIND DIR W W NW N N N N N N N N N SE S S SE S N N N
WIND SPD 4 4 9 10 12 11 10 4 0 0 0 0 4 8 8 4 4 0 0 0
WIND GUST 21
CLOUDS SC SC B1 FW FW FW FW CL FW CL FW FW FW FW FW FW FW FW FW FW
POP 12HR 5 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 84 62 86 64 82 61 79 62 80
TEMP 82 77 66 64 84 79 68 66 80 74 65 62 77 73 66 64 78 72
DEWPT 61 64 62 62 67 66 65 65 66 64 63 62 64 64 64 64 65 63
PWIND DIR S SE S W N NE SE S SW
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW B1 SC SC SC B1 SC B1 B1 B1 SC B1 B1 B2
POP 12HR 0 0 30 20 20 20 30 20 40
RAIN SHWRS C S S S C S S S C
TSTMS S S
VAZ506-140800-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
1100 PM EDT SUN SEP 13 2026
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 69 79 53 81 56
TEMP 76 72 70 69 75 78 76 68 60 56 54 55 70 78 79 71 63 58 57 59
DEWPT 71 69 66 64 59 56 54 55 51 50 48 49 52 53 54 56 55 57 56 57
RH 85 90 87 84 58 47 46 63 72 80 80 80 53 42 42 59 75 96 96 93
WIND DIR W W NW N N N N N NE N N N SE SE S SE S S S S
WIND SPD 3 4 10 12 13 13 11 5 3 2 2 2 2 4 4 4 3 2 2 2
WIND GUST 23 24
CLOUDS SC SC SC SC FW FW FW CL CL CL FW CL FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 85 62 87 65 84 64 82 64 82
TEMP 82 77 65 64 84 78 68 67 82 76 67 65 80 74 67 67 80 75
DEWPT 63 66 62 62 68 67 65 65 71 69 66 64 68 68 66 66 70 67
PWIND DIR S S S SW N NE SE S SW
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC SC B1 SC SC B1 B1 B1 B1
POP 12HR 0 0 5 10 20 20 20 30 30
RAIN SHWRS S S S C S S C
TSTMS S S
VAZ037-140800-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
1100 PM EDT SUN SEP 13 2026
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 67 83 54 79 56
TEMP 73 70 68 69 77 81 81 69 61 57 55 56 70 77 79 69 62 58 56 58
DEWPT 70 68 66 66 64 62 58 54 51 50 49 50 51 53 54 56 55 54 54 55
RH 90 93 93 90 64 53 46 59 70 77 80 80 51 43 42 63 78 86 93 90
WIND DIR W W NW N N N N NE NE N N N E SE SE N N N N N
WIND SPD 1 1 3 8 9 9 9 6 4 3 3 4 3 4 4 0 0 0 0 0
CLOUDS FW SC FW SC CL CL FW FW FW CL FW CL FW FW FW FW FW FW FW CL
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
OBVIS PF
HEAT INDEX 82 81
MAX HEAT 82 82
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 84 61 87 64 85 64 81 64 82
TEMP 82 75 65 63 84 77 68 65 84 76 68 65 80 73 67 65 80 74
DEWPT 61 64 62 61 63 65 63 63 67 69 66 64 66 67 66 65 67 67
PWIND DIR S N S NE NE NE E S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW FW FW CL FW SC SC SC B1 SC SC SC SC SC SC SC B1
POP 12HR 0 0 10 5 30 20 20 20 40
RAIN SHWRS C S S S S S C
TSTMS S S
MDZ003-140800-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
1100 PM EDT SUN SEP 13 2026
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 77 50 79 55
TEMP 72 70 67 63 70 76 75 64 57 54 51 52 67 76 78 70 61 58 56 59
DEWPT 69 66 63 59 55 52 51 54 50 48 47 48 49 51 53 54 52 53 53 56
RH 90 87 87 87 59 43 43 70 77 80 86 86 52 42 42 57 72 83 90 90
WIND DIR W NW N N N N N N NE NE NE NE SE S S SE SE SE SE S
WIND SPD 3 5 9 10 12 12 11 4 3 2 2 1 3 6 6 4 4 4 3 2
WIND GUST 20
CLOUDS SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 5 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 84 62 86 65 82 61 79 62 79
TEMP 81 76 66 65 84 78 68 66 79 74 65 62 78 73 65 64 77 72
DEWPT 62 65 62 62 69 68 65 65 68 66 62 62 66 65 63 63 67 64
PWIND DIR S SE S NE N NE SE S SW
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1
POP 12HR 0 0 30 10 20 10 30 40 40
RAIN SHWRS C S C C S C C
TSTMS S S
MDZ017-140800-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
1100 PM EDT SUN SEP 13 2026
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 72 80 63 79 64
TEMP 76 75 74 75 77 78 77 71 69 67 64 65 73 76 77 72 68 66 64 67
DEWPT 75 74 72 69 65 60 58 55 55 54 54 56 57 56 56 59 61 61 61 62
RH 97 97 93 82 67 54 52 57 61 63 70 73 57 50 48 64 78 84 90 84
WIND DIR SW W NW N N N N N N NE NE NE NE E SE SE SE S S S
WIND SPD 5 8 10 18 19 18 16 10 9 9 9 8 5 3 3 3 5 4 2 2
WIND GUST 32 32
CLOUDS SC FW FW SC SC FW FW CL CL CL CL CL FW FW CL FW FW FW FW FW
POP 12HR 5 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 81 66 82 68 83 68 81 69 82
TEMP 80 75 70 69 79 76 70 71 81 78 72 70 79 76 72 72 81 77
DEWPT 61 62 65 64 63 64 66 66 68 69 69 68 68 68 68 68 69 68
PWIND DIR SE S S SW N NE E SE S
WIND CHAR LT LT LT LT LT LT GN GN GN
AVG CLOUDS FW CL FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC B1
POP 12HR 0 0 0 5 10 20 10 20 30
RAIN SHWRS S S S S C
TSTMS S
WVZ502-140800-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
1100 PM EDT SUN SEP 13 2026
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 76 49 83 56
TEMP 70 68 66 63 69 76 75 63 55 53 50 51 66 79 82 72 63 58 56 58
DEWPT 66 65 63 60 57 54 51 53 51 50 48 49 53 56 58 58 56 55 54 56
RH 87 90 90 90 66 46 43 70 86 89 93 93 63 45 44 61 78 90 93 93
WIND DIR S SW N N N N N N N N N S SE SE SE SE S S SW N
WIND SPD 3 1 3 4 8 8 8 3 0 0 0 1 2 2 3 2 3 2 1 0
WIND GUST 16
CLOUDS B1 B1 B1 SC FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW FW
POP 12HR 5 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
OBVIS PF
HEAT INDEX 82
MAX HEAT 83
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 88 63 89 63 84 61 82 61 82
TEMP 86 78 66 64 86 79 68 64 81 75 65 62 79 73 66 62 79 73
DEWPT 65 69 64 63 71 70 66 64 71 68 64 62 68 67 64 62 68 66
PWIND DIR SE SW NW W N SE S S W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW B1 B1 SC SC B1 B1 B1 B1 SC B1 SC SC B1 B1
POP 12HR 20 5 40 10 50 20 30 20 50
RAIN SHWRS S C C C C S S C S S C C
TSTMS S S S S S
MDZ014-140800-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
1100 PM EDT SUN SEP 13 2026
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 71 79 61 76 64
TEMP 77 75 73 72 75 78 78 73 67 65 63 63 71 75 76 73 67 65 64 65
DEWPT 74 72 69 65 60 56 53 53 54 53 53 54 54 53 52 56 60 61 60 60
RH 90 90 87 79 60 47 42 49 63 65 70 72 55 46 43 55 78 87 87 84
WIND DIR W W NW N N N N N N NE NE NE E SE SE SE SE S N SW
WIND SPD 4 5 11 16 14 14 14 10 8 8 6 6 6 4 4 2 6 4 0 1
WIND GUST 23 26 25
CLOUDS SC SC FW SC FW FW FW FW CL FW CL CL CL FW FW FW FW FW FW FW
POP 12HR 5 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
DATE 09/16 THU 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 80 65 84 67 84 66 82 67 83
TEMP 78 76 68 67 81 78 69 69 82 78 69 68 80 76 69 69 81 76
DEWPT 61 63 63 63 67 66 64 65 69 69 66 66 68 67 66 67 69 67
PWIND DIR S S S SW N NE E S S
WIND CHAR LT LT LT LT LT LT GN LT GN
AVG CLOUDS FW FW FW FW FW SC SC SC SC B1 B1 SC SC SC B1 SC SC B1
POP 12HR 0 0 0 10 20 10 20 30 30
RAIN SHWRS S S C S S C
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