877
FOUS51 KLWX 181146
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
746 AM EDT FRI APR 18 2025
VAZ054-182000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
746 AM EDT FRI APR 18 2025
DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25
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 80 65 87 66 77
TEMP 51 64 76 80 74 69 67 65 66 75 83 87 82 77 71 68 66 69 74 75 68
DEWPT 39 44 45 46 48 49 49 51 51 51 51 53 53 54 54 52 47 41 38 38 38
RH 63 48 33 30 40 49 52 60 58 43 33 31 37 45 55 57 50 36 27 26 33
WIND DIR S S S S S S S S SW SW SW SW SW SW W NW N N N NE E
WIND SPD 8 12 16 23 13 13 13 14 14 14 14 14 12 10 9 9 10 10 8 8 8
WIND GUST 26 36
CLOUDS SC SC B1 SC SC SC SC B1 B2 B1 B1 B1 B1 B1 B2 OV OV B2 B2 B2 B2
POP 12HR 0 0 0 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25
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 57 77 64 82 58 80 59 81
TEMP 60 58 71 69 66 64 78 73 62 59 75 70 61 60 76 71
DEWPT 40 43 48 53 55 54 47 46 45 44 44 47 49 50 51 53
PWIND DIR E SE S W NW S SE S
WIND CHAR LT GN GN GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B1 B2 B2 SC SC SC SC SC SC SC B1 B1 B1
POP 12HR 10 5 40 20 5 5 10 30
RAIN SHWRS C C S C
TSTMS S
MDZ013-182000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
746 AM EDT FRI APR 18 2025
DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25
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 60 85 60 72
TEMP 47 62 72 74 69 65 63 60 63 72 81 85 81 74 68 63 60 65 70 71 64
DEWPT 40 44 47 47 49 51 50 51 52 52 52 53 54 54 55 51 45 38 35 34 37
RH 76 52 41 38 49 60 62 72 67 49 37 33 39 50 63 65 58 37 27 26 37
WIND DIR S S S S S S SW SW SW SW SW SW SW W W NW N N N N NE
WIND SPD 5 11 14 19 11 9 9 10 10 10 11 11 8 5 5 5 6 6 6 6 4
WIND GUST 29
CLOUDS SC SC B1 SC SC SC SC B1 B2 B2 B2 B1 B1 B1 B2 OV OV B2 B1 B2 B2
POP 12HR 0 0 5 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 81
MAX HEAT 81 83
DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25
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 52 72 59 78 54 77 54 77
TEMP 54 54 66 64 61 62 75 69 58 55 72 66 57 57 73 66
DEWPT 39 40 45 52 55 54 49 46 44 43 44 47 49 49 51 51
PWIND DIR E SE S W NW E SE SE
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B1 B2 B2 SC SC SC SC SC SC SC B1 B1 B1
POP 12HR 10 5 40 10 5 5 10 20
RAIN SHWRS C C S
TSTMS S
MDZ011-182000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
746 AM EDT FRI APR 18 2025
DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25
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 77 64 86 65 75
TEMP 47 62 72 77 71 68 66 64 66 75 82 85 81 76 72 67 65 68 72 73 66
DEWPT 38 41 43 45 47 49 49 49 50 50 51 52 52 53 54 50 44 37 33 33 35
RH 71 46 35 32 42 51 54 58 56 41 34 32 37 45 53 54 46 32 24 23 32
WIND DIR S S S S S S S SW SW SW SW SW SW W W NW N N N N NE
WIND SPD 4 10 13 19 11 8 6 8 8 10 11 11 6 5 4 5 5 5 6 5 3
CLOUDS SC SC B1 SC SC SC SC B1 B2 B2 B2 B1 B1 B1 B2 OV B2 B2 B1 B2 B2
POP 12HR 0 0 5 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 81
MAX HEAT 81 84 80
DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25
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 74 62 80 56 79 58 78
TEMP 59 56 68 67 64 63 76 71 61 57 73 70 61 58 74 70
DEWPT 38 39 43 50 54 52 46 43 43 42 42 45 48 48 48 50
PWIND DIR E SE S W NW SW SE SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B1 B2 B2 SC SC SC SC SC SC SC B1 B1 B1
POP 12HR 10 5 40 10 5 5 10 20
RAIN SHWRS C C S
TSTMS S
WVZ052-182000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
746 AM EDT FRI APR 18 2025
DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25
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 80 61 86 60 72
TEMP 48 67 77 80 74 68 65 62 65 73 82 86 80 72 67 63 61 64 70 70 64
DEWPT 33 39 41 42 44 46 48 48 47 50 53 51 49 52 52 49 44 38 36 35 37
RH 56 36 28 26 34 45 54 60 52 44 37 30 34 49 59 60 53 38 29 27 37
WIND DIR S S S S S S S S SW SW SW SW W W NW NW N N N NE E
WIND SPD 5 11 17 20 13 11 10 9 9 10 11 11 8 6 6 8 9 6 6 6 4
WIND GUST 34
CLOUDS SC B1 SC SC SC SC SC OV OV B2 B1 B1 B1 B1 B2 OV B2 B2 B2 B1 B2
POP 12HR 0 0 10 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25
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 52 75 57 76 49 77 53 78
TEMP 55 54 69 69 62 61 73 66 54 53 71 68 57 57 74 68
DEWPT 38 42 48 52 53 51 44 42 42 43 44 47 48 48 50 52
PWIND DIR E SE SW W NW S SE S
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B1 B2 B1 SC FW FW SC SC SC SC B1 B1 B1
POP 12HR 10 20 40 10 0 5 10 30
RAIN SHWRS S C C
TSTMS S
VAZ506-182000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
746 AM EDT FRI APR 18 2025
DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25
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 78 62 85 62 74
TEMP 49 64 74 77 73 68 65 63 64 73 81 85 80 74 69 64 62 66 72 73 67
DEWPT 40 45 46 47 48 50 51 52 52 53 53 54 55 54 55 52 48 42 38 37 40
RH 71 50 37 35 41 52 60 67 65 49 38 35 42 50 61 65 60 42 29 27 37
WIND DIR S S S S S S S S S SW SW SW SW W NW NW N N N N NE
WIND SPD 8 13 17 20 13 13 12 12 12 12 12 12 9 6 5 6 8 8 6 6 5
WIND GUST 28 34 24 23 23
CLOUDS SC B1 B1 SC SC SC SC B1 OV B2 B2 B1 B1 B1 B2 OV OV B2 B2 B2 B2
POP 12HR 0 0 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 81 80
MAX HEAT 81 83
DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25
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 54 77 60 79 53 79 56 79
TEMP 57 56 70 69 63 63 76 70 58 56 74 70 59 58 76 70
DEWPT 39 44 50 55 56 56 49 47 46 45 46 50 51 51 53 55
PWIND DIR E SE SW W NW W S S
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B1 B2 B2 SC SC SC SC SC SC SC B1 B1 B1
POP 12HR 10 10 40 10 5 5 10 30
RAIN SHWRS C S C
TSTMS S
VAZ037-182000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
746 AM EDT FRI APR 18 2025
DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25
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 80 60 86 63 81
TEMP 48 64 75 80 75 68 64 61 64 73 81 85 81 74 69 66 64 72 78 77 70
DEWPT 35 41 43 44 45 46 47 47 49 50 51 51 50 49 50 49 52 51 49 47 47
RH 60 43 32 28 34 45 54 60 58 44 35 31 34 41 51 54 65 48 36 35 44
WIND DIR S S S S S SW S S S SW SW SW SW SW W W N NE E E E
WIND SPD 5 10 13 19 12 11 10 10 10 10 11 12 10 8 5 3 3 5 5 6 5
WIND GUST 24 32 25 23 20 20 20 21 24
CLOUDS SC B1 SC FW SC FW SC B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR 0 0 0 0 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25
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 57 80 60 81 53 80 56 79
TEMP 61 58 74 73 66 64 78 71 58 58 76 71 60 60 75 71
DEWPT 43 46 51 51 52 52 46 44 43 44 45 46 48 51 52 51
PWIND DIR E S SW W NW SE SE S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 OV B2 B1 B1 B2 B1 SC SC SC SC SC SC B1 B1 B1
POP 12HR 10 10 20 20 5 10 10 30
RAIN SHWRS S S S C
TSTMS C
MDZ003-182000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
746 AM EDT FRI APR 18 2025
DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25
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 77 60 85 59 70
TEMP 47 62 73 77 72 66 62 60 63 72 81 85 79 71 66 61 59 62 67 68 62
DEWPT 36 41 44 45 47 48 49 49 49 53 56 54 52 56 53 47 41 36 34 33 36
RH 65 46 35 32 41 52 62 67 60 51 42 35 39 59 63 60 51 38 29 27 38
WIND DIR S S S S S S S S S SW SW SW W W NW NW N N N N NE
WIND SPD 6 12 14 19 13 11 10 9 9 10 11 11 8 6 5 6 8 6 6 5 4
WIND GUST 26 34 23 21 21
CLOUDS B1 B1 SC SC SC SC SC OV OV B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B2
POP 12HR 0 5 20 20 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
HEAT INDEX 81
MAX HEAT 81 83
DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25
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 51 73 57 75 49 77 54 77
TEMP 54 53 67 66 61 59 72 65 53 53 71 67 57 57 74 68
DEWPT 36 41 50 53 54 52 47 43 42 43 46 49 48 49 52 53
PWIND DIR E SE SW W NW SW SE S
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS B2 OV B2 B1 B2 B1 SC FW FW SC FW SC SC B1 B1 B1
POP 12HR 10 20 50 10 0 5 10 30
RAIN SHWRS S C S C
TSTMS S
MDZ017-182000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
746 AM EDT FRI APR 18 2025
DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25
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 62 83 64 72
TEMP 53 66 72 72 66 65 64 62 64 73 80 82 75 72 71 67 65 68 69 68 62
DEWPT 44 48 49 49 51 51 52 52 53 55 56 56 55 56 54 54 52 48 44 43 43
RH 71 52 44 44 58 60 65 70 67 53 44 41 50 57 55 63 63 49 40 40 50
WIND DIR S S S S S S S SW SW SW SW SW SW SW W NW N N N N E
WIND SPD 9 11 14 19 12 11 12 13 13 13 13 12 10 10 8 6 6 9 9 6 5
CLOUDS FW SC B1 FW FW SC FW SC SC SC SC SC SC B1 B1 B2 OV B2 B2 B2 B2
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
MAX HEAT 80 82
DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25
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 55 72 61 78 57 73 56 73
TEMP 56 57 66 63 64 64 73 67 59 58 68 62 57 59 69 63
DEWPT 45 46 51 53 56 56 54 53 49 47 48 50 51 53 54 54
PWIND DIR E SE S W NW NE SE SE
WIND CHAR LT GN GN LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B1 B1 B2 B1 B1 SC SC SC FW SC SC B1 B1
POP 12HR 10 0 30 20 10 10 10 20
RAIN SHWRS S C S S S
TSTMS S
WVZ502-182000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
746 AM EDT FRI APR 18 2025
DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25
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 83 59 87 57 78
TEMP 45 67 79 83 75 65 63 60 63 72 83 86 78 68 64 60 57 64 74 74 67
DEWPT 34 39 43 45 48 48 46 44 48 53 53 50 50 52 53 53 50 49 50 50 51
RH 65 36 28 26 38 54 54 55 58 51 36 29 37 57 67 78 77 58 43 43 56
WIND DIR S S S S S S S SW SW SW SW W W W W NW N N N NE E
WIND SPD 4 9 13 19 9 8 6 6 5 8 11 11 5 4 3 2 2 2 3 3 2
WIND GUST 18 18 21 23
CLOUDS SC SC FW CL SC FW B1 OV OV B2 B1 B1 B1 B1 B1 OV OV B2 B2 B2 B2
POP 12HR 0 0 10 10 20
QPF 12HR 0 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25
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 54 81 56 76 47 82 53 80
TEMP 57 56 76 71 62 58 73 66 53 53 76 69 57 57 76 68
DEWPT 47 50 54 56 54 50 45 45 44 44 46 50 48 51 54 57
PWIND DIR SE S SW W W S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B1 B1 B1 B1 SC SC SC FW FW FW SC SC B1 B1
POP 12HR 10 30 40 10 0 10 10 40
RAIN SHWRS C C S C
TSTMS S S
MDZ014-182000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
746 AM EDT FRI APR 18 2025
DATE FRI 04/18/25 SAT 04/19/25 SUN 04/20/25
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 78 59 70
TEMP 49 58 63 67 65 63 63 60 63 70 76 78 75 70 66 63 60 63 67 68 63
DEWPT 42 45 47 47 49 51 51 52 52 53 53 53 53 54 55 52 47 41 40 39 40
RH 77 62 56 49 56 65 65 75 67 55 45 42 46 57 68 67 62 44 37 34 43
WIND DIR S S S S S S S S SW SW SW SW SW SW W NW N N N NE NE
WIND SPD 6 11 14 19 13 11 10 11 11 11 12 11 10 6 5 5 5 8 8 6 4
WIND GUST 29
CLOUDS SC SC B1 SC SC SC SC B1 B2 B1 B1 B1 B1 B1 B1 OV OV B2 B1 B2 B2
POP 12HR 0 0 0 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE MON 04/21/25 TUE 04/22/25 WED 04/23/25 THU 04/24/25
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 52 68 59 75 54 71 54 71
TEMP 55 54 63 62 61 62 71 66 58 56 66 63 56 57 68 63
DEWPT 42 42 47 51 55 53 49 47 47 45 45 47 50 50 51 51
PWIND DIR E SE S W NW E S SE
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B1 B1 B2 SC SC SC SC SC SC SC B1 B1 B1
POP 12HR 10 5 40 20 5 5 10 20
RAIN SHWRS C C S S
TSTMS S
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