444
FOUS51 KLWX 180630
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
230 AM EDT SUN OCT 18 2026
VAZ054-182000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
230 AM EDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 61 44 65 50 68
TEMP 42 41 51 58 58 51 48 46 44 44 56 63 63 56 54 52 51 50 59 66 66 59
DEWPT 28 29 31 31 34 37 38 38 37 36 40 40 42 41 43 40 39 38 43 43 45 45
RH 57 62 46 36 40 59 68 73 76 73 55 43 46 57 66 63 63 63 55 43 47 60
WIND DIR N N NE N N NE N N N N N N N N N N N N N N N N
WIND SPD 8 10 9 8 8 5 5 8 10 11 11 12 11 11 11 12 13 13 14 14 14 12
CLOUDS CL CL CL CL CL CL CL CL FW FW FW SC SC 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
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 49 64 50 66 52 64 52 62
TEMP 53 49 62 58 52 51 65 61 55 53 63 58 53 52 61 58
DEWPT 45 41 40 43 44 42 43 43 46 46 43 43 45 43 43 45
PWIND DIR N N N N N N NE NE
WIND CHAR GN GN GN GN GN BZ GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC
POP 12HR 0 5 5 0 5 5 10 5
MDZ013-182000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
230 AM EDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 60 43 64 48 67
TEMP 41 40 50 57 59 54 48 45 44 43 55 62 62 55 53 51 50 48 59 65 65 58
DEWPT 29 29 33 33 36 39 40 39 37 37 42 42 44 45 44 41 39 39 45 45 48 49
RH 62 64 52 40 42 57 74 79 76 79 61 48 52 69 71 68 66 71 60 48 54 72
WIND DIR N N NE N N NE N N N N N N N N N N N N N N N N
WIND SPD 6 6 6 5 5 3 2 3 4 5 8 9 8 6 5 6 9 9 10 10 9 6
WIND GUST 17 19 19 17
CLOUDS CL CL CL FW CL CL CL CL CL CL FW SC SC SC SC SC 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
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 46 63 47 66 50 63 48 61
TEMP 51 46 61 57 51 48 64 59 53 50 62 57 51 49 60 57
DEWPT 45 41 43 46 45 42 45 47 47 46 46 46 45 43 45 48
PWIND DIR N N N N N N NE NE
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 5 5 0 5 5 5 5
MDZ011-182000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
230 AM EDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 62 43 66 49 69
TEMP 42 41 53 59 60 55 49 46 44 44 56 64 64 56 54 52 50 50 60 66 67 59
DEWPT 28 28 29 29 32 36 37 38 37 36 37 36 39 40 40 39 38 38 40 39 43 43
RH 57 59 39 32 35 49 63 73 76 73 49 35 40 55 59 61 63 63 47 37 42 55
WIND DIR N N NE N N N N N N N N N N N N N N N N N N N
WIND SPD 6 5 5 5 5 3 2 2 4 5 6 9 8 6 6 8 10 10 10 11 10 8
WIND GUST 18 20 20
CLOUDS CL CL CL CL CL CL CL CL CL CL FW SC SC FW SC SC SC 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
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 47 65 49 67 52 65 50 63
TEMP 51 47 62 59 53 50 66 60 55 53 63 57 53 51 61 58
DEWPT 43 39 37 40 43 41 39 41 45 44 40 41 43 41 39 42
PWIND DIR N N N N N N NE NE
WIND CHAR LT GN LT GN LT GN LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 5 5 0 5 5 5 5
WVZ052-182000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
230 AM EDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 61 36 66 40 68
TEMP 35 32 49 55 56 49 44 41 37 37 54 62 64 55 47 45 42 41 58 65 65 54
DEWPT 28 29 29 28 30 34 34 33 31 31 36 36 40 39 38 37 35 34 40 40 44 44
RH 75 88 46 35 37 56 68 73 79 79 50 38 41 55 71 73 76 76 51 40 46 69
WIND DIR N N NE NE NE N N N N N N N N N NW NW NW NW N N N N
WIND SPD 3 2 3 3 3 0 0 0 0 0 4 8 6 4 5 5 6 6 9 10 8 5
CLOUDS CL CL CL CL CL CL CL CL CL CL CL SC 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
FREEZE W W
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 39 64 41 67 44 64 43 61
TEMP 45 40 61 55 47 42 65 58 49 45 61 53 48 44 58 54
DEWPT 42 38 37 41 40 38 38 42 42 42 41 42 40 39 39 43
PWIND DIR N N NW N NW N N E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC
POP 12HR 0 0 5 0 0 5 5 5
VAZ506-182000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
230 AM EDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 59 37 64 44 67
TEMP 38 37 49 57 56 48 44 41 39 39 54 62 61 53 49 47 46 45 58 65 63 55
DEWPT 30 29 34 35 37 39 38 37 36 35 42 43 46 46 43 40 38 38 46 47 50 49
RH 73 72 56 43 49 71 79 85 89 85 64 50 58 77 80 76 73 76 64 52 62 80
WIND DIR N N N N N NE N N N N N N N N N N N N N N N N
WIND SPD 5 5 5 5 5 2 1 2 4 5 6 9 8 5 5 6 9 10 11 10 9 6
CLOUDS CL CL CL CL CL CL CL CL FW CL CL SC SC 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
FROST Y Y
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 43 63 44 65 47 63 46 61
TEMP 47 43 61 56 48 46 64 57 50 48 62 55 48 47 60 55
DEWPT 46 42 44 47 45 42 46 47 46 45 48 48 45 42 46 49
PWIND DIR N N N N N N N NE
WIND CHAR LT GN LT LT LT GN LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 5 5 0 0 5 10 5
VAZ037-182000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
230 AM EDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 59 39 64 42 69
TEMP 38 36 50 56 58 50 43 41 40 39 56 62 62 52 47 45 45 43 61 67 66 55
DEWPT 30 30 29 28 31 34 34 33 32 32 36 36 39 39 39 38 36 35 39 39 43 43
RH 73 79 44 34 36 54 70 73 73 76 47 38 43 61 74 76 70 73 44 36 43 64
WIND DIR N N NE NE NE N N N N N N N N N NW NW NW NW N N N N
WIND SPD 5 6 9 8 6 3 2 3 5 5 6 9 8 4 5 6 8 8 6 8 6 5
CLOUDS CL CL CL CL CL CL CL CL CL CL 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
FROST Y Y
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 42 65 44 68 46 64 47 61
TEMP 47 43 63 56 47 45 66 58 49 47 62 55 48 47 60 55
DEWPT 44 42 40 42 43 41 41 43 43 43 44 45 45 43 43 45
PWIND DIR N N NW N NW NE N NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 5 0 0 5 5 5
MDZ003-182000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
230 AM EDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 61 37 66 40 67
TEMP 35 33 51 59 56 49 44 41 39 38 56 65 63 52 47 45 43 41 58 65 64 54
DEWPT 28 28 31 32 33 36 35 33 32 32 39 40 42 42 40 37 36 36 43 44 47 47
RH 75 82 46 36 42 61 70 73 76 79 53 40 46 69 76 73 76 82 57 46 54 77
WIND DIR N N NE N N NE N N N N N N N N N N N N N N N N
WIND SPD 4 3 3 2 3 2 0 1 2 3 3 6 5 4 4 5 6 6 9 10 8 6
CLOUDS CL CL CL CL CL CL CL CL CL CL 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
FREEZE W W
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 41 64 42 67 45 63 44 61
TEMP 46 41 62 55 47 43 64 58 49 46 62 54 48 45 59 55
DEWPT 43 39 41 43 41 38 42 45 44 43 44 44 41 39 42 45
PWIND DIR N N N N N N NE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 5 5 5
MDZ017-182000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
230 AM EDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 62 50 62 52 65
TEMP 45 44 52 57 58 55 54 53 52 52 57 59 60 57 56 56 54 53 59 62 63 59
DEWPT 33 34 36 37 38 40 41 42 44 45 46 46 47 48 48 47 45 45 46 48 49 51
RH 62 68 54 47 47 57 61 66 74 77 67 62 62 72 74 72 71 74 62 60 60 75
WIND DIR N NE NE N N NE NE NE N N N N N N N N N N N N N N
WIND SPD 17 14 13 12 11 9 9 11 13 16 16 16 16 12 13 16 17 17 18 17 16 11
WIND GUST 27
CLOUDS CL CL CL CL CL CL CL FW CL FW B1 B1 B1 B1 SC B1 SC FW FW FW FW FW
POP 12HR 0 0 5 5 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 51 62 51 64 53 63 52 62
TEMP 55 51 59 58 55 52 60 60 58 54 60 58 56 53 59 58
DEWPT 47 44 47 48 47 47 48 51 49 49 50 49 47 47 48 51
PWIND DIR N N N N N N NE NE
WIND CHAR GN BZ GN GN GN GN GN GN
AVG CLOUDS FW FW FW FW FW SC FW FW FW FW FW FW FW SC FW SC
POP 12HR 0 10 10 5 5 5 5 5
WVZ502-182000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
230 AM EDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 60 35 66 36 69
TEMP 33 31 48 55 58 50 42 39 37 36 52 62 63 50 45 41 39 37 56 66 66 52
DEWPT 27 27 29 29 31 32 30 28 27 26 35 36 38 39 37 34 31 30 38 39 43 44
RH 78 85 47 37 36 50 62 64 67 67 52 38 39 66 73 76 73 75 51 37 43 74
WIND DIR SW N N N NE N N N N N N N N NW NW NW W W N N N N
WIND SPD 1 0 1 2 2 0 0 0 0 0 0 3 3 2 1 1 1 1 1 4 4 3
CLOUDS CL FW CL CL CL CL CL 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
FREEZE W W
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 36 66 37 68 40 63 40 62
TEMP 41 37 62 53 43 38 65 55 44 41 60 51 44 41 59 52
DEWPT 41 37 41 43 38 35 40 44 41 38 45 45 41 37 42 45
PWIND DIR N N NW N NW N N E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW
POP 12HR 0 0 0 0 0 5 5 5
MDZ014-182000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
230 AM EDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 60 48 63 51 66
TEMP 45 44 52 58 58 55 52 51 49 49 56 61 63 58 55 54 52 51 59 64 65 60
DEWPT 33 34 34 33 34 40 42 42 43 43 42 41 42 47 47 44 43 43 44 43 47 50
RH 62 68 50 39 40 57 69 71 80 80 59 48 46 67 74 69 71 74 57 46 52 69
WIND DIR N NE NE N N NE NE NE N N N N N N N N N N N N N N
WIND SPD 11 10 10 10 9 5 4 5 8 9 11 13 11 9 9 10 11 11 13 14 11 9
CLOUDS CL CL CL CL CL CL CL CL FW FW FW B1 SC FW SC SC SC SC 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
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 49 62 49 65 52 63 51 61
TEMP 54 49 60 58 53 50 63 61 55 52 62 58 53 51 60 57
DEWPT 47 43 42 47 46 44 47 49 47 47 48 48 45 45 47 49
PWIND DIR N N N N N N NE NE
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC
POP 12HR 0 5 10 5 5 5 5 5
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