320
FOUS51 KLWX 160838
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
438 AM EDT TUE SEP 16 2025
VAZ054-162000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
438 AM EDT TUE SEP 16 2025
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 70 64 68 65 82
TEMP 66 66 69 69 69 67 66 65 65 64 66 67 68 67 68 67 66 66 72 77 79 74
DEWPT 59 58 59 57 58 58 58 60 61 61 62 63 63 64 63 64 63 63 63 62 61 63
RH 78 75 70 66 68 73 75 84 87 90 87 87 84 90 84 90 90 90 73 60 54 69
WIND DIR NE N NE NE NE NE NE NE N N NE NE NE N N N N N N NW NW SW
WIND SPD 14 14 18 18 19 17 17 16 16 13 13 12 13 10 9 8 8 8 8 5 5 5
WIND GUST 29 34 33 27
CLOUDS B2 OV OV OV OV B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW FW
POP 12HR 60 70 80 40 10
QPF 12HR 0.08 0.17 0.22 0.04 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C L C L C C L D D L L C C S S
TSTMS S S S S
DATE FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 65 87 65 79 63 79 62 80
TEMP 68 66 84 77 69 65 77 71 65 64 75 70 65 64 77 72
DEWPT 62 60 59 60 59 58 59 61 62 61 59 60 62 61 61 61
PWIND DIR W N NE E E SE SE SE
WIND CHAR LT LT LT GN GN GN LT LT
AVG CLOUDS FW FW FW FW FW FW FW SC SC B1 B1 SC SC B1 SC SC
POP 12HR 0 0 0 5 5 10 10 10
MDZ013-162000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
438 AM EDT TUE SEP 16 2025
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 71 62 68 63 81
TEMP 63 64 69 71 70 66 64 63 63 63 66 67 68 66 65 64 63 64 71 77 79 72
DEWPT 59 60 61 61 60 60 58 60 61 63 64 67 67 66 65 64 63 64 65 66 65 66
RH 87 87 76 71 71 81 81 90 93100 93100 97100100100100100 81 69 62 81
WIND DIR NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE N N N N N N S
WIND SPD 8 9 12 12 13 10 10 9 10 10 11 10 10 6 5 4 4 4 5 4 4 2
WIND GUST 20 24 23 24 20 21 19 20
CLOUDS B2 B2 OV B2 B2 B2 B2 OV OV OV OV OV OV OV B2 OV B2 B2 B1 SC FW FW
POP 12HR 50 70 80 50 10
QPF 12HR 0.07 0.14 0.18 0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S L C C C D D L L C C S S
TSTMS S S
DATE FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 85 61 78 60 76 59 78
TEMP 65 64 83 74 65 63 76 69 62 62 74 68 62 62 75 69
DEWPT 63 61 63 64 59 57 61 63 60 61 61 62 62 62 63 63
PWIND DIR W N NE E E SE SE SE
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW SC B1 B1 SC SC SC SC SC
POP 12HR 0 0 0 5 5 10 10 10
MDZ011-162000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
438 AM EDT TUE SEP 16 2025
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 74 65 71 66 83
TEMP 67 66 72 73 73 70 69 68 67 65 68 69 71 70 70 69 68 66 74 79 81 77
DEWPT 58 58 57 57 56 55 56 58 59 60 61 63 63 63 63 62 62 62 61 61 61 62
RH 73 75 59 57 55 59 63 70 75 84 78 81 76 78 78 78 81 87 64 54 51 60
WIND DIR NE NE NE NE NE NE NE NE NE NE NE NE NE NE N N N N N N N SW
WIND SPD 8 9 12 13 13 11 10 10 10 10 11 11 11 8 5 4 4 4 5 5 4 2
WIND GUST 20 23 21 20 21
CLOUDS B2 B2 OV B2 OV B2 B2 OV OV OV OV OV OV OV B2 OV B2 B2 B1 SC FW FW
POP 12HR 40 70 70 50 10
QPF 12HR 0.06 0.10 0.16 0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S L C C C L L L L C C S S
HEAT INDEX 82
MAX HEAT 82
DATE FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 88 65 81 64 79 63 80
TEMP 70 67 85 79 70 65 78 73 67 64 75 72 67 64 77 73
DEWPT 61 59 59 59 57 55 58 59 60 59 57 58 60 60 60 59
PWIND DIR W N NE E E SE SE SE
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW SC SC B1 B1 SC SC SC SC SC
POP 12HR 0 0 0 5 0 10 10 10
WVZ052-162000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
438 AM EDT TUE SEP 16 2025
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 75 57 70 59 84
TEMP 58 61 71 75 74 68 63 61 60 60 66 69 70 66 63 61 60 60 73 80 82 73
DEWPT 55 55 54 54 53 54 54 54 54 55 57 57 59 59 60 59 59 59 60 58 56 57
RH 90 81 55 48 48 61 72 78 81 84 73 66 68 78 90 93 96 96 64 47 41 57
WIND DIR N N NE NE NE NE NE N N N N N NE NE N N NW NW NW NW NW W
WIND SPD 5 6 10 10 11 6 5 5 9 9 9 9 8 5 3 2 2 2 3 4 3 2
WIND GUST 21
CLOUDS B1 B1 B2 B2 B2 B2 B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 SC SC SC FW FW
POP 12HR 20 40 50 20 5
QPF 12HR 0 0.01 0.05 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C S C C C C S S
HEAT INDEX 81 82
MAX HEAT 81 82
DATE FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 56 88 56 81 58 79 56 80
TEMP 61 60 85 74 62 59 78 71 62 61 75 68 60 60 77 70
DEWPT 56 56 55 55 56 53 55 57 59 59 58 58 59 59 59 58
PWIND DIR W NW N E SE SE SE S
WIND CHAR LT LT LT LT LT GN LT LT
AVG CLOUDS FW FW FW FW FW FW FW SC SC B2 B1 SC SC B1 B1 SC
POP 12HR 0 0 0 5 5 10 10 20
RAIN SHWRS S
VAZ506-162000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
438 AM EDT TUE SEP 16 2025
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 71 60 68 62 82
TEMP 61 63 69 71 69 67 63 62 61 61 64 66 68 66 64 63 63 63 71 78 79 72
DEWPT 57 58 61 60 60 60 59 59 59 61 64 66 65 65 64 63 62 63 66 66 64 65
RH 87 84 76 68 73 78 87 90 93100100100 90 97100100 97100 84 67 60 79
WIND DIR N N NE NE NE NE NE N N N N N N N N N N NW N N NW SW
WIND SPD 6 9 11 11 12 9 9 9 10 10 10 10 10 6 5 4 5 5 5 4 4 3
WIND GUST 21 23 24
CLOUDS B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B1 SC SC FW FW
POP 12HR 50 70 70 30 10
QPF 12HR 0.06 0.09 0.12 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C C L L L L C C S S
DATE FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 60 88 60 80 59 79 59 80
TEMP 63 62 85 75 65 61 78 71 62 62 75 68 62 62 77 70
DEWPT 62 60 62 62 59 57 61 62 62 62 63 62 62 62 65 64
PWIND DIR W N NE E SE SE SE SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW SC B1 B1 SC SC B1 B1 SC
POP 12HR 0 0 0 5 5 10 10 10
VAZ037-162000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
438 AM EDT TUE SEP 16 2025
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 68 59 68 59 81
TEMP 62 62 66 67 67 64 62 61 60 59 63 67 68 65 63 62 61 60 71 78 79 71
DEWPT 56 55 55 55 55 56 57 56 57 58 59 60 59 60 61 60 59 60 62 61 60 62
RH 81 78 68 65 65 75 84 84 90 96 87 78 73 84 93 93 93100 73 56 52 73
WIND DIR N N NE NE NE N N N N N N N N N N NW NW NW NW N E S
WIND SPD 8 9 11 11 11 9 9 9 9 9 9 9 9 5 4 2 2 2 2 2 2 2
WIND GUST 21 24 24 23 19 19 19 20
CLOUDS B2 B2 OV OV OV B2 B2 OV OV OV OV OV B2 B2 B1 B1 B1 SC SC SC FW FW
POP 12HR 60 60 50 20 5
QPF 12HR 0.14 0.09 0.08 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C L L C C C C C C C S S
DATE FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 58 87 59 81 59 77 58 79
TEMP 63 60 85 73 64 60 79 70 63 61 75 67 61 60 76 68
DEWPT 60 59 57 60 59 58 59 61 62 61 61 61 61 60 61 62
PWIND DIR W NE N E E E E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW SC B1 B2 B1 SC SC B1 B1 SC
POP 12HR 0 0 0 5 10 10 10 20
RAIN SHWRS S
MDZ003-162000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
438 AM EDT TUE SEP 16 2025
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 59 70 61 84
TEMP 58 61 72 76 75 69 64 62 60 61 66 69 70 67 64 62 61 62 73 80 82 73
DEWPT 55 56 57 57 56 57 56 56 55 56 59 61 60 61 61 61 60 60 62 61 58 59
RH 90 84 59 52 52 66 75 81 84 84 78 76 71 81 90 97 97 93 68 52 44 62
WIND DIR N N NE NE NE E NE N N N NE NE NE NE NE N N N NW NW NW NW
WIND SPD 5 5 10 11 11 8 6 6 9 9 10 9 9 5 4 3 3 2 3 4 4 3
CLOUDS B2 B1 B1 B2 B2 B1 B2 B2 B1 B1 B2 OV B2 B2 B2 B1 B1 SC SC SC FW FW
POP 12HR 20 40 50 20 5
QPF 12HR 0 0.01 0.04 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C C C C S S
HEAT INDEX 81 82
MAX HEAT 81 82
DATE FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 58 88 57 81 58 79 58 81
TEMP 62 62 85 74 63 59 78 71 61 60 75 69 61 61 77 70
DEWPT 58 57 59 58 57 52 56 58 60 59 61 59 60 60 61 61
PWIND DIR W N NE E SE SE SE S
WIND CHAR LT LT LT LT LT GN LT LT
AVG CLOUDS FW FW FW FW FW FW FW SC SC B1 B1 SC SC B1 B1 SC
POP 12HR 0 0 0 5 5 10 10 20
RAIN SHWRS S
MDZ017-162000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
438 AM EDT TUE SEP 16 2025
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 70 65 71 65 77
TEMP 65 66 69 70 69 65 66 66 66 68 70 71 71 67 66 66 65 67 71 74 75 70
DEWPT 61 61 63 63 63 63 64 65 65 67 68 68 68 67 66 66 65 66 66 66 66 66
RH 87 84 81 78 81 93 93 97 97 97 93 90 90100100100100 97 84 76 74 87
WIND DIR NE NE NE NE NE NE NE NE NE NE NE NE NE NE N N N N N N N SW
WIND SPD 14 16 18 20 20 18 17 14 13 13 13 12 11 10 8 8 8 9 9 8 5 3
WIND GUST 27 29 32 28 27
CLOUDS OV OV OV OV OV OV B2 B2 OV OV OV B2 B2 OV B2 B2 B2 B2 B2 B1 FW FW
POP 12HR 90 70 90 60 20
QPF 12HR 0.27 0.72 0.54 0.08 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D L C L L L C L D D D D L L C C S S S S
TSTMS S S C C S S S S C C
DATE FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 82 64 78 62 75 63 77
TEMP 67 67 79 72 68 67 76 69 65 66 73 68 65 67 74 69
DEWPT 65 65 66 66 64 63 64 63 62 62 62 63 62 64 64 65
PWIND DIR W N NE E E E E E
WIND CHAR LT LT LT GN LT GN LT LT
AVG CLOUDS FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC
POP 12HR 0 0 0 0 0 10 10 10
WVZ502-162000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
438 AM EDT TUE SEP 16 2025
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 75 53 74 55 85
TEMP 55 55 70 75 74 66 61 57 55 54 66 72 73 66 60 57 56 56 74 82 83 72
DEWPT 54 54 56 55 55 56 56 54 52 53 56 58 59 59 59 57 56 56 61 58 58 59
RH 96 96 61 50 51 70 84 90 90 96 70 61 62 78 96100100100 64 44 43 64
WIND DIR N N NE NE NE W N N N N NE NE NE NE N W W W N N NW W
WIND SPD 2 2 5 9 8 5 3 2 3 3 4 5 5 3 2 1 1 1 2 3 4 2
WIND GUST 16
CLOUDS B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC FW SC FW FW
POP 12HR 20 20 20 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S
HEAT INDEX 82 83
MAX HEAT 82 84
DATE FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 53 89 53 85 57 81 56 84
TEMP 58 55 86 73 59 55 81 71 60 58 79 69 59 57 81 70
DEWPT 55 52 56 59 55 53 58 59 59 58 59 60 59 57 59 61
PWIND DIR W NW NW E SE SE S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW SC B1 B2 B1 SC SC B1 SC SC
POP 12HR 0 0 0 5 10 20 10 20
RAIN SHWRS S S
MDZ014-162000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
438 AM EDT TUE SEP 16 2025
DATE TUE 09/16/25 WED 09/17/25 THU 09/18/25
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 70 65 69 66 78
TEMP 66 66 69 70 69 67 66 65 65 66 67 69 69 68 67 67 66 66 71 75 77 72
DEWPT 61 61 61 61 59 60 61 63 64 64 65 66 65 66 66 66 65 65 65 64 64 65
RH 84 84 76 73 70 78 84 93 97 93 93 90 87 93 97 97 97 97 81 69 64 79
WIND DIR NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE N N N N N N S
WIND SPD 11 11 14 16 16 12 13 12 13 12 13 13 13 10 9 6 6 6 8 6 5 2
WIND GUST 21 25 26 26 23 23
CLOUDS B2 OV OV OV OV B2 OV OV OV OV OV OV OV B2 OV B2 B2 B2 B1 SC FW FW
POP 12HR 60 80 80 60 20
QPF 12HR 0.11 0.23 0.33 0.06 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C L C L L C C D D L L L L C C S S
TSTMS S S S S S
DATE FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 65 82 64 76 62 75 62 75
TEMP 68 67 80 74 68 65 75 69 65 64 73 69 65 64 73 70
DEWPT 65 62 64 64 62 60 62 62 62 62 61 62 62 63 63 63
PWIND DIR W N NE E E SE SE SE
WIND CHAR LT LT LT GN LT GN LT LT
AVG CLOUDS FW FW FW FW FW FW FW SC SC SC B1 SC SC SC SC SC
POP 12HR 0 0 0 5 5 10 10 10
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