775
FOUS51 KLWX 202038
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
337 PM EST FRI DEC 20 2024
VAZ054-210900-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
337 PM EST FRI DEC 20 2024
DATE 12/20/24 SAT 12/21/24 SUN 12/22/24 MON
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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 32 37 24 33 18
TEMP 41 39 37 35 34 32 35 37 35 30 28 27 25 24 28 32 32 27 25 22 20 20
DEWPT 35 34 32 30 28 24 20 17 15 15 14 14 13 11 12 10 10 8 7 8 7 8
RH 79 82 82 82 78 72 54 44 43 53 55 57 60 57 50 39 39 44 46 54 56 59
WIND DIR N N NW NW NW NW NW NW NW NW NW NW N N N N N N NE NE NE NE
WIND SPD 6 8 8 6 10 11 14 16 13 9 8 8 6 6 9 8 6 5 4 4 3 3
WIND GUST 28 29 24
CLOUDS OV B2 B2 SC SC SC FW FW FW FW FW SC FW FW FW FW CL CL CL CL FW FW
POP 12HR 30 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C C S
DATE 12/23 TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 37 28 44 34 46 33 48 35 50
TEMP 35 32 30 32 43 40 37 35 45 39 35 34 46 40 36 36 47 43
DEWPT 11 14 17 21 25 27 27 27 28 28 28 28 31 29 29 29 32 32
PWIND DIR SE S SW NW N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1
POP 12HR 0 10 20 20 20 30 30 20 30
RAIN S S S S S C C C S S S S C
MDZ013-210900-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
337 PM EST FRI DEC 20 2024
DATE 12/20/24 SAT 12/21/24 SUN 12/22/24 MON
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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 31 35 19 29 14
TEMP 38 37 35 34 33 31 34 35 34 29 25 23 20 19 25 28 29 24 20 18 16 17
DEWPT 35 34 32 31 28 24 20 17 15 14 13 12 10 10 10 10 10 9 8 9 9 10
RH 89 89 89 89 82 75 56 47 45 53 60 62 64 67 52 46 44 52 59 67 73 73
WIND DIR N N NW NW NW NW NW NW NW NW NW NW NW NW N N N N N N NE NE
WIND SPD 6 8 6 6 10 12 16 16 13 10 9 8 8 6 9 9 8 5 5 4 4 2
WIND GUST 26 28 25
CLOUDS OV OV B2 B1 B1 SC FW FW FW FW FW FW FW FW FW FW CL CL CL CL FW CL
POP 12HR 50 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN D C C
SNOW S S
DATE 12/23 TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 34 25 42 29 43 29 45 31 46
TEMP 32 30 27 29 41 38 32 30 42 35 31 30 43 38 32 31 43 41
DEWPT 14 17 18 22 29 29 28 28 30 30 28 29 32 31 29 29 33 33
PWIND DIR SE S SW NW N N NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1
POP 12HR 0 10 20 20 20 30 30 20 30
RAIN S S S S S S C C S S S S C
SNOW C
MDZ011-210900-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
337 PM EST FRI DEC 20 2024
DATE 12/20/24 SAT 12/21/24 SUN 12/22/24 MON
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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 32 35 22 31 18
TEMP 39 38 37 35 34 32 34 35 34 30 28 26 24 22 26 30 30 25 24 20 20 21
DEWPT 34 33 32 31 29 24 19 16 15 14 12 11 11 10 9 10 9 6 6 7 7 7
RH 82 82 82 85 82 72 54 45 45 51 50 52 57 59 48 42 41 44 45 56 56 54
WIND DIR N N NW NW NW NW NW NW NW NW NW NW NW NW N N N N N N NE NE
WIND SPD 6 6 6 5 9 10 16 16 13 10 9 8 6 6 9 9 8 5 5 4 3 2
WIND GUST 27 28 24
CLOUDS OV OV B2 B1 B1 SC FW FW FW FW FW FW FW FW FW FW CL CL CL CL FW FW
POP 12HR 60 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN D L C
SNOW C S
DATE 12/23 TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 36 28 43 33 46 33 48 34 49
TEMP 34 30 30 33 42 39 35 35 45 38 35 34 45 40 36 36 46 42
DEWPT 11 13 16 19 25 26 26 26 28 28 27 28 30 29 28 28 31 31
PWIND DIR SE S SW NW N N NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1
POP 12HR 0 10 20 20 20 30 30 20 30
RAIN S S S S S S C C C S S S S C
SNOW S
WVZ052-210900-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
337 PM EST FRI DEC 20 2024
DATE 12/20/24 SAT 12/21/24 SUN 12/22/24 MON
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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 28 32 17 29 9
TEMP 37 35 33 32 31 28 32 32 32 27 24 22 20 17 23 28 28 22 17 14 12 12
DEWPT 32 32 30 27 25 20 17 14 14 15 14 13 13 10 10 8 7 7 7 7 7 6
RH 82 89 89 81 78 71 53 47 47 60 65 68 74 73 57 42 40 52 64 73 80 76
WIND DIR N N NW NW NW NW NW NW NW NW NW NW NW NW N N N NE NE SE SE SE
WIND SPD 3 3 4 8 11 12 16 14 11 9 8 6 6 5 9 8 4 3 2 1 2 2
WIND GUST 27 25 25
CLOUDS B2 B2 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW CL CL CL FW FW FW
POP 12HR 30 30 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C C S
SNOW C
SNOWSHWRS C C
DATE 12/23 TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 34 23 41 26 42 25 43 28 44
TEMP 31 29 25 27 41 34 30 27 40 35 29 26 41 36 31 30 42 39
DEWPT 9 12 16 20 27 25 26 25 28 27 26 26 28 28 26 27 31 30
PWIND DIR SE S SW NW N NE E E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 0 10 20 20 20 30 20 20 30
RAIN S S S C S S S S C
SNOW S S S C S
VAZ506-210900-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
337 PM EST FRI DEC 20 2024
DATE 12/20/24 SAT 12/21/24 SUN 12/22/24 MON
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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 29 34 19 30 12
TEMP 39 36 33 33 32 30 34 34 33 28 25 24 21 19 25 30 28 22 19 17 15 14
DEWPT 33 33 32 28 27 23 19 16 14 16 15 14 13 11 11 10 9 11 10 9 7 8
RH 79 89 96 82 81 75 54 47 45 60 65 65 71 70 55 42 44 62 67 70 70 76
WIND DIR N N NW NW NW NW NW NW NW NW NW NW NW N N N N N NE NE NE E
WIND SPD 6 5 6 8 11 12 17 17 14 9 8 6 6 8 10 9 6 4 3 2 2 2
WIND GUST 29 29 27
CLOUDS B2 B2 B1 SC SC FW FW FW FW SC SC SC FW FW FW FW CL CL CL FW FW FW
POP 12HR 30 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C C
SNOW S
DATE 12/23 TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 35 25 43 29 43 28 45 30 46
TEMP 33 30 27 28 41 38 32 29 42 35 31 28 43 38 32 31 44 41
DEWPT 14 16 18 22 30 30 28 29 31 30 28 28 33 31 30 30 34 34
PWIND DIR SE S SW NW N N NE NE E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 0 10 20 10 20 30 30 20 30
RAIN S S S C C S S S S C
SNOW C
VAZ037-210900-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
337 PM EST FRI DEC 20 2024
DATE 12/20/24 SAT 12/21/24 SUN 12/22/24 MON
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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 31 37 20 34 14
TEMP 43 39 36 33 33 31 36 37 35 29 27 25 23 21 28 34 32 25 23 20 17 16
DEWPT 33 33 31 28 24 21 18 14 13 13 13 12 12 11 11 10 8 9 9 9 10 10
RH 67 79 82 82 69 66 47 38 40 51 55 57 62 65 48 36 36 50 54 62 73 77
WIND DIR NE N N NW NW NW NW NW NW NW NW NW NW N N N NE E NE NE NE N
WIND SPD 3 3 3 3 5 8 12 12 10 5 3 3 2 3 4 4 2 3 2 1 1 1
WIND GUST 23
CLOUDS B2 B2 SC SC FW FW FW FW FW FW SC SC FW FW CL CL CL CL CL FW CL CL
POP 12HR 10 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN S
DATE 12/23 TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 37 24 46 30 46 30 47 32 48
TEMP 34 31 27 28 46 39 35 31 44 38 33 31 44 40 36 34 45 43
DEWPT 11 14 16 19 28 26 28 28 31 29 27 28 31 29 29 29 32 31
PWIND DIR S SW SW N E NE E NE E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B2
POP 12HR 0 5 10 10 20 30 20 20 30
RAIN S C C S S S S C C
MDZ003-210900-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
337 PM EST FRI DEC 20 2024
DATE 12/20/24 SAT 12/21/24 SUN 12/22/24 MON
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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 27 31 17 27 9
TEMP 36 34 33 31 30 28 31 31 30 26 23 21 19 17 23 27 27 22 17 14 13 12
DEWPT 32 31 30 28 25 20 18 13 13 13 12 11 11 9 9 7 6 8 8 8 7 7
RH 85 89 89 88 81 71 58 47 49 57 62 65 70 70 54 42 40 54 67 76 76 80
WIND DIR N N NW NW NW NW NW NW NW NW NW NW NW N N N N NE NE E E SE
WIND SPD 3 3 3 5 10 11 13 14 13 8 6 6 6 6 8 6 5 4 3 3 3 2
WIND GUST 20 26 25 24 18
CLOUDS OV B2 B2 B2 B1 SC SC SC SC FW FW SC FW FW FW FW CL CL CL FW FW FW
POP 12HR 30 20 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN L C
SNOW S
SNOWSHWRS S S
DATE 12/23 TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 32 24 40 27 41 26 43 28 43
TEMP 30 29 27 28 39 35 30 28 39 33 30 27 40 35 31 30 41 38
DEWPT 12 13 17 21 30 28 27 26 30 29 27 26 31 29 28 28 32 31
PWIND DIR SE S SW NW N NE E E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 0 10 30 20 20 30 20 20 30
RAIN S C S S S C S S S S C
SNOW S C C S
MDZ017-210900-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
337 PM EST FRI DEC 20 2024
DATE 12/20/24 SAT 12/21/24 SUN 12/22/24 MON
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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 33 36 22 32 17
TEMP 40 39 38 36 35 34 35 36 35 30 26 26 23 22 28 32 30 25 23 21 19 19
DEWPT 37 37 35 33 31 28 24 21 18 17 16 14 13 12 13 13 12 13 14 13 13 13
RH 89 92 89 89 85 78 64 54 49 58 65 60 65 65 53 45 46 60 68 71 77 77
WIND DIR N N NW NW NW NW NW NW NW NW NW NW NW N N N N N N NE NE NE
WIND SPD 11 12 12 11 12 17 18 19 17 14 13 13 13 13 13 12 10 9 9 8 6 4
WIND GUST 23
CLOUDS OV OV B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW CL CL CL CL CL CL
POP 12HR 50 10 5 0 0
QPF 12HR 0.01 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN L C C S
DATE 12/23 TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 38 28 45 32 46 33 48 34 50
TEMP 34 33 31 31 45 39 36 33 44 38 36 33 45 39 36 35 48 42
DEWPT 16 21 24 24 28 31 31 30 32 31 30 31 33 32 31 32 35 35
PWIND DIR SE S W N N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW FW SC B1 B1 B1 SC SC SC B1 SC SC SC SC SC B1 B1
POP 12HR 0 5 20 20 20 30 30 20 30
RAIN S S S S C C C S S S S C
WVZ502-210900-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
337 PM EST FRI DEC 20 2024
DATE 12/20/24 SAT 12/21/24 SUN 12/22/24 MON
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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 27 31 15 32 11
TEMP 39 35 32 31 29 28 30 31 30 24 21 19 17 16 22 30 32 23 18 16 14 14
DEWPT 32 31 29 26 22 19 16 14 13 13 12 12 12 11 11 10 8 10 10 10 9 9
RH 76 85 88 81 75 68 55 49 49 62 68 74 80 80 62 42 36 57 70 77 80 80
WIND DIR N N NW NW NW NW NW NW NW NW NW NW NW NW NW N N NE S S S S
WIND SPD 3 3 4 5 8 8 10 10 10 8 6 5 4 4 3 4 2 1 2 2 2 2
WIND GUST 16 18 23 23 21 18
CLOUDS B2 B2 B1 B1 B1 B1 SC B1 SC B1 B1 B1 SC SC FW FW CL CL CL FW FW FW
POP 12HR 40 40 10 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR T 00-00 00-00
RAIN C C C
SNOW S S
SNOWSHWRS C C
DATE 12/23 TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 41 25 45 28 46 27 48 29 50
TEMP 38 31 30 31 43 39 32 29 43 35 30 28 45 38 33 31 46 43
DEWPT 14 17 21 27 33 31 30 29 32 30 28 28 33 32 31 31 36 34
PWIND DIR S SW W W E SE E SE SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B2 B1 B1
POP 12HR 0 10 20 10 20 30 20 30 30
RAIN S S S S C S S S C C C
SNOW C
MDZ014-210900-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
337 PM EST FRI DEC 20 2024
DATE 12/20/24 SAT 12/21/24 SUN 12/22/24 MON
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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 31 36 21 29 17
TEMP 39 38 37 34 33 32 33 35 34 30 28 26 24 21 24 27 28 25 22 19 19 19
DEWPT 36 35 33 31 30 26 21 17 16 14 14 12 10 9 10 10 10 10 11 11 11 12
RH 89 89 85 89 89 78 61 47 47 51 55 55 54 59 54 48 46 52 62 70 70 74
WIND DIR N N NW NW NW NW NW NW NW NW NW NW NW N N N N N N NE NE NE
WIND SPD 8 9 9 6 9 12 16 16 14 12 10 10 10 10 11 10 9 8 8 5 4 2
WIND GUST 19 23 27 28 25
CLOUDS OV OV B2 B1 B1 SC FW FW FW FW FW FW FW FW FW FW CL CL CL CL FW CL
POP 12HR 60 10 0 0 0
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN D L C
SNOW C S
DATE 12/23 TUE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 33 28 41 31 43 31 45 33 46
TEMP 30 31 30 30 39 39 34 32 41 37 34 32 42 39 36 34 43 42
DEWPT 13 17 20 22 27 29 28 29 30 30 30 30 31 31 30 30 32 34
PWIND DIR SE S SW NW N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC B1 B2 B1 B1 B1 B1 SC B1 SC SC SC SC B1 B1 B1
POP 12HR 0 10 20 20 20 30 30 20 30
RAIN S S S S S S C C C S S S S C
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