172
FOUS51 KLWX 142101
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
500 PM EDT MON SEP 14 2026
VAZ054-150800-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
500 PM EDT MON SEP 14 2026
DATE 09/14/26 TUE 09/15/26 WED 09/16/26 THU
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 58 79 61 85 63
TEMP 76 69 64 61 59 59 71 76 78 71 64 61 61 63 76 82 84 78 70 66 65 64
DEWPT 52 50 50 50 49 49 51 51 52 54 55 58 58 59 59 59 60 60 59 60 60 60
RH 43 51 60 67 69 69 49 42 40 55 73 90 90 87 56 46 44 54 68 81 84 87
WIND DIR N N NE NE N NE E SE SE SE SE S S S S S S SE S S S S
WIND SPD 11 8 5 6 5 6 6 6 9 8 6 5 3 4 6 5 8 9 8 6 6 5
CLOUDS FW CL FW SC CL FW FW FW FW FW FW FW FW FW CL CL 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
HEAT INDEX 82 84
MAX HEAT 82 84
DATE 09/17 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 87 70 88 70 85 72 88 70 82
TEMP 84 80 72 71 85 81 72 71 82 78 73 73 85 81 72 70 80 76
DEWPT 61 60 62 63 67 67 65 64 66 67 68 68 68 67 66 65 66 66
PWIND DIR S SW N NE SE S W E E
WIND CHAR GN GN GN GN GN GN GN GN BZ
AVG CLOUDS CL FW FW SC SC B1 SC B1 SC SC SC SC SC B1 B1 B1 B1 B1
POP 12HR 0 5 30 20 10 10 30 30 40
RAIN SHWRS C S C C C
TSTMS S S S
MDZ013-150800-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
500 PM EDT MON SEP 14 2026
DATE 09/14/26 TUE 09/15/26 WED 09/16/26 THU
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 56 76 59 82 62
TEMP 74 67 62 59 56 57 68 74 75 69 63 61 60 61 75 80 81 75 68 64 62 64
DEWPT 50 50 50 49 48 49 53 52 52 55 57 58 59 59 61 63 64 63 62 61 61 62
RH 43 54 65 69 74 75 59 46 45 61 81 90 96 93 62 56 56 66 81 90 97 93
WIND DIR N N N N N NE E E SE SE SE S S SW S S SE S S S SW SW
WIND SPD 11 8 4 3 3 3 4 5 4 2 3 2 1 2 4 4 5 3 2 2 2 2
CLOUDS FW CL CL SC CL FW SC FW FW FW CL CL FW FW CL 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
HEAT INDEX 81 83
MAX HEAT 81 83
DATE 09/17 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 68 86 67 83 69 86 67 81
TEMP 83 78 69 69 84 78 69 67 81 77 71 70 84 78 69 68 79 74
DEWPT 65 65 63 65 70 69 66 65 68 70 68 69 70 70 66 66 68 67
PWIND DIR S SW N NE SE S W E E
WIND CHAR LT LT LT LT LT LT GN LT GN
AVG CLOUDS FW FW FW SC SC B1 SC SC B1 B1 SC SC SC B1 B1 B1 B1 B1
POP 12HR 0 5 20 20 10 20 30 20 30
RAIN SHWRS S S S S C S C
TSTMS S S
MDZ011-150800-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
500 PM EDT MON SEP 14 2026
DATE 09/14/26 TUE 09/15/26 WED 09/16/26 THU
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 58 77 61 84 65
TEMP 74 68 64 60 59 59 70 75 75 68 63 62 61 63 75 81 82 76 69 66 65 67
DEWPT 50 50 49 49 47 47 50 49 49 53 56 58 59 58 58 58 60 58 59 59 60 59
RH 43 52 58 67 64 64 49 40 40 59 78 87 93 84 55 46 47 54 70 78 84 75
WIND DIR N N N N N NE E SE SE SE SE S N S S S SE S S S S SW
WIND SPD 11 8 4 3 3 3 4 5 5 2 2 1 0 1 4 5 5 3 2 1 1 1
CLOUDS FW CL CL FW CL FW FW FW FW FW CL FW FW FW 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
HEAT INDEX 81 82
MAX HEAT 81 83
DATE 09/17 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 86 70 87 68 84 71 87 68 82
TEMP 84 79 71 72 85 79 70 69 81 78 72 72 85 79 70 70 80 75
DEWPT 60 60 62 63 66 65 64 63 64 66 67 67 66 66 65 64 64 63
PWIND DIR S SW N NE SE S W E E
WIND CHAR LT LT LT LT LT LT GN LT GN
AVG CLOUDS FW FW FW SC SC SC SC SC B1 B1 SC SC SC B1 B1 B1 B1 B1
POP 12HR 0 5 20 20 20 20 30 20 30
RAIN SHWRS S S S S C S C
TSTMS S S
WVZ052-150800-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
500 PM EDT MON SEP 14 2026
DATE 09/14/26 TUE 09/15/26 WED 09/16/26 THU
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 49 78 54 84 61
TEMP 72 62 56 53 50 51 66 75 77 69 60 57 55 56 73 82 83 76 67 63 61 63
DEWPT 50 50 49 49 47 48 49 51 53 53 53 52 53 54 59 60 61 62 61 60 59 60
RH 46 65 77 86 89 89 54 43 43 57 78 83 93 93 62 47 47 62 81 90 93 90
WIND DIR N N N N N N SE S S S S S N N S S S SE SE N N N
WIND SPD 10 4 0 0 0 0 5 8 8 5 4 1 0 0 2 4 5 3 2 0 0 0
CLOUDS FW FW FW FW FW SC SC SC CL FW FW FW FW FW 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
HEAT INDEX 82 83
MAX HEAT 82 84
DATE 09/17 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 87 67 84 64 81 66 84 63 79
TEMP 85 79 69 69 82 76 67 65 79 74 68 68 83 76 67 64 76 72
DEWPT 64 65 65 67 69 67 65 63 66 67 67 67 67 66 64 63 65 64
PWIND DIR S SW N NE SE S W NE E
WIND CHAR LT LT LT LT LT LT GN LT LT
AVG CLOUDS SC SC SC SC B1 B1 SC B1 B1 B1 SC SC B1 B1 B1 B1 B1 B2
POP 12HR 20 5 40 10 10 20 30 30 50
RAIN SHWRS S C S C C S S C
TSTMS S S S
VAZ506-150800-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
500 PM EDT MON SEP 14 2026
DATE 09/14/26 TUE 09/15/26 WED 09/16/26 THU
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 52 79 56 85 61
TEMP 73 64 59 56 53 54 70 77 77 68 61 59 57 58 75 82 84 77 68 63 61 63
DEWPT 51 51 50 50 48 48 51 53 54 55 56 57 57 57 60 64 65 64 63 62 61 61
RH 46 63 72 80 83 80 51 43 45 63 84 93100 96 60 55 53 64 84 97100 93
WIND DIR N N NE N N N SE S S SE SE S S S S S S S S S S S
WIND SPD 11 5 3 2 2 2 3 4 5 4 3 2 2 3 5 5 4 4 3 3 3 3
CLOUDS FW FW FW FW FW FW SC SC CL FW FW FW FW FW CL CL CL 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
HEAT INDEX 83 86
MAX HEAT 83 86
DATE 09/17 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 87 67 87 66 84 68 87 65 82
TEMP 85 79 69 68 85 79 69 67 82 77 70 69 84 78 69 67 79 74
DEWPT 66 66 63 65 72 70 66 65 70 70 68 68 71 70 66 65 70 68
PWIND DIR S SW N NE SE S W E SE
WIND CHAR LT LT LT LT LT LT GN LT GN
AVG CLOUDS FW FW FW SC SC B1 SC B1 B1 SC SC SC SC B1 B1 B1 B1 B1
POP 12HR 0 5 30 20 20 10 30 20 40
RAIN SHWRS C S S C S S C
TSTMS S S S
VAZ037-150800-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
500 PM EDT MON SEP 14 2026
DATE 09/14/26 TUE 09/15/26 WED 09/16/26 THU
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 53 78 55 84 59
TEMP 79 68 60 57 55 55 68 74 77 69 61 59 56 57 73 81 83 75 67 63 60 61
DEWPT 56 53 49 49 48 49 52 53 55 56 56 55 55 55 59 61 62 63 62 61 60 60
RH 45 59 67 75 77 80 57 48 47 63 84 87 96 93 62 51 49 66 84 93100 97
WIND DIR N NE NE N N N E SE SE N N N N N S S SE N N N N N
WIND SPD 9 6 4 3 3 4 3 4 4 0 0 0 0 0 4 4 4 0 0 0 0 0
CLOUDS FW FW FW FW FW FW SC SC FW FW FW FW FW FW CL CL CL CL FW CL CL CL
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 84
MAX HEAT 82 85
DATE 09/17 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 87 65 88 66 85 67 87 66 80
TEMP 85 78 68 67 87 78 70 67 83 77 70 68 85 78 70 66 78 74
DEWPT 62 63 62 62 67 70 67 65 67 69 68 68 68 69 67 65 66 67
PWIND DIR S S NE N SE SW SW N E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW FW FW SC B1 SC B1 SC SC SC SC SC B1 B1 B1 SC B1
POP 12HR 0 0 30 20 20 10 30 30 40
RAIN SHWRS C S S C C C
TSTMS S S S
MDZ003-150800-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
500 PM EDT MON SEP 14 2026
DATE 09/14/26 TUE 09/15/26 WED 09/16/26 THU
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 49 78 54 84 61
TEMP 70 62 56 53 50 51 66 75 75 66 60 57 55 58 72 81 83 76 68 64 62 63
DEWPT 49 49 48 47 45 47 49 51 53 54 53 52 54 55 59 63 64 64 63 61 60 61
RH 47 62 74 80 83 86 54 43 46 65 78 83 96 90 64 54 53 66 84 90 93 93
WIND DIR N N NE N N NE S S S SE SE S SE S S S S SE SE SE S S
WIND SPD 11 5 3 2 2 1 3 6 6 4 4 3 3 2 3 4 4 3 3 3 3 2
CLOUDS FW CL FW FW FW FW SC SC FW FW FW FW FW FW 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
HEAT INDEX 82 84
MAX HEAT 82 84
DATE 09/17 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 86 67 84 63 81 66 84 63 79
TEMP 84 79 69 68 81 75 66 65 78 75 68 68 81 76 66 64 76 72
DEWPT 67 67 64 66 70 68 64 63 68 68 67 67 69 68 64 64 67 65
PWIND DIR S SW N NE S S W NE NE
WIND CHAR LT LT LT LT LT LT GN LT GN
AVG CLOUDS SC SC SC SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1
POP 12HR 20 10 30 10 10 20 30 20 40
RAIN SHWRS S C S S C S S S C
TSTMS S S S S S
MDZ017-150800-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
500 PM EDT MON SEP 14 2026
DATE 09/14/26 TUE 09/15/26 WED 09/16/26 THU
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 62 77 64 79 65
TEMP 76 70 67 65 63 64 71 75 76 71 68 67 65 67 75 77 78 72 69 67 65 68
DEWPT 58 55 54 54 54 56 57 55 56 59 61 60 61 61 62 60 60 61 63 64 62 63
RH 54 59 63 68 72 75 61 50 50 66 78 78 87 81 64 56 54 68 81 90 90 84
WIND DIR N N NE NE NE NE E E SE SE SE SE S S SE SE SE S S S SW SW
WIND SPD 14 13 9 8 8 8 5 3 3 2 5 4 2 1 3 4 4 4 4 3 3 2
CLOUDS CL CL CL FW FW CL CL FW FW FW FW FW SC FW CL CL CL CL CL FW CL CL
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 09/17 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 82 68 85 70 82 72 86 70 82
TEMP 80 77 72 71 83 79 73 72 81 78 75 73 83 79 73 72 80 77
DEWPT 62 64 66 65 68 70 69 68 69 70 70 70 70 70 69 68 69 68
PWIND DIR S SW N E SE S SW E E
WIND CHAR LT LT LT LT LT GN GN GN GN
AVG CLOUDS CL CL FW FW FW FW SC B1 SC SC SC SC SC SC B1 B1 B1 B1
POP 12HR 0 0 5 20 10 10 30 30 30
RAIN SHWRS S C C S C
TSTMS S S
WVZ502-150800-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
500 PM EDT MON SEP 14 2026
DATE 09/14/26 TUE 09/15/26 WED 09/16/26 THU
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 48 82 55 89 62
TEMP 75 62 56 52 49 50 66 79 82 72 62 58 56 57 77 87 88 78 69 64 62 64
DEWPT 51 51 49 49 47 48 53 57 59 58 57 55 55 56 63 66 66 67 65 62 60 61
RH 43 67 77 89 93 93 63 47 46 61 84 90 96 96 62 50 48 69 87 93 93 90
WIND DIR N N N N N S SE SE SE S S S SW S N E E SE S SW SW SW
WIND SPD 6 3 0 0 0 1 2 3 4 2 3 2 1 1 0 2 2 1 1 1 1 1
CLOUDS FW SC FW SC SC SC SC FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 5 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 82 89 90
MAX HEAT 82 89 92
DATE 09/17 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 90 66 87 63 87 65 87 62 80
TEMP 88 80 68 67 84 77 68 64 84 77 68 66 84 76 67 63 77 72
DEWPT 69 70 66 66 72 70 66 64 70 69 66 65 69 68 64 62 67 65
PWIND DIR W SW NW W SW SW W SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW B1 SC SC SC B2 SC B1 SC B1 SC SC SC B1 B1 B1 B1 B2
POP 12HR 40 5 60 20 30 10 40 30 50
RAIN SHWRS C S L S S C S C C C C C
TSTMS S S S S
MDZ014-150800-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
500 PM EDT MON SEP 14 2026
DATE 09/14/26 TUE 09/15/26 WED 09/16/26 THU
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 61 75 62 79 64
TEMP 76 70 67 64 62 62 71 74 75 71 65 64 63 64 75 78 79 75 69 66 64 66
DEWPT 52 52 53 52 51 53 54 52 52 56 60 60 60 60 60 60 59 60 64 63 62 61
RH 43 53 61 65 67 72 55 46 45 59 84 87 90 87 60 54 50 60 84 90 93 84
WIND DIR N N N NE NE NE E SE SE N SE S S N S S S S S S SW SW
WIND SPD 12 9 8 6 6 6 6 4 4 0 6 4 1 0 5 8 8 4 4 3 3 3
CLOUDS CL FW FW FW CL FW FW FW FW FW FW FW SC FW CL 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
DATE 09/17 FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26
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 82 68 85 68 84 70 86 68 82
TEMP 82 78 70 70 84 79 70 70 81 78 72 72 84 79 70 70 80 75
DEWPT 63 65 64 64 70 70 67 66 69 70 69 69 71 70 67 66 69 68
PWIND DIR S SW N NE SE S S E E
WIND CHAR GN LT LT LT LT LT GN GN GN
AVG CLOUDS FW FW FW SC SC SC SC SC B1 B1 SC SC SC B1 B1 B1 B1 B1
POP 12HR 0 5 10 20 10 10 30 20 30
RAIN SHWRS S S C S C
TSTMS S S
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