169
FOUS51 KLWX 212340
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
639 PM EST SAT DEC 21 2024
VAZ054-220900-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
639 PM EST SAT DEC 21 2024
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE
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 24 34 22 38 30
TEMP 34 31 29 26 25 29 33 33 28 27 25 24 23 31 37 38 33 32 30 32 32
DEWPT 12 10 9 9 9 8 8 7 8 8 8 9 10 13 13 15 16 17 19 20 21
RH 39 41 42 48 50 40 34 33 42 44 48 52 57 47 37 38 49 53 63 61 63
WIND DIR NW N N N N N N N NE NE NE NE E SE S S S S S SW SW
WIND SPD 13 11 12 12 9 10 9 8 4 3 3 3 3 4 5 6 6 6 6 5 4
CLOUDS FW SC B1 B1 SC FW FW FW FW CL FW FW FW FW SC SC SC SC SC B1 B2
POP 12HR 0 0 0 0 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FRZG RAIN S
SNOW S S C
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24
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 47 33 45 33 47 35 50 39 51
TEMP 45 41 37 34 43 38 36 34 45 40 38 37 48 44 41 41 49 45
DEWPT 28 30 28 27 28 28 27 27 30 29 30 30 34 33 34 34 38 37
PWIND DIR W N NE NE NE NE E E NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2
POP 12HR 30 5 10 20 20 20 40 50 40
RAIN S S S S S S S C C C C C
SNOW C
MDZ013-220900-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
639 PM EST SAT DEC 21 2024
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE
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 19 30 15 35 26
TEMP 31 27 24 22 21 25 29 29 23 19 18 16 16 25 33 34 31 28 27 28 29
DEWPT 14 10 9 8 8 7 7 7 8 8 8 8 9 13 14 16 17 19 19 20 21
RH 49 48 52 54 56 46 39 39 52 61 64 70 73 60 45 47 56 68 71 71 72
WIND DIR NW NW NW NW NW N N N N NE NE NE NE SE SE SE S S S SW SW
WIND SPD 11 11 6 6 6 8 8 5 4 3 2 2 2 3 5 6 4 5 4 4 3
CLOUDS B2 SC SC SC SC FW FW FW FW CL FW FW CL FW SC SC SC SC B1 B2 B2
POP 12HR 0 0 0 0 30
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES
SNOW C C C
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24
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 45 29 42 29 44 32 47 36 48
TEMP 43 38 33 29 40 36 31 29 42 37 33 33 44 41 37 37 46 42
DEWPT 29 31 29 26 29 29 28 28 31 31 30 30 35 35 34 35 39 38
PWIND DIR W N NE NE NE NE E E NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC SC SC B1 SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2
POP 12HR 30 5 10 20 20 20 30 50 40
RAIN S S S S S S C C C C C
SNOW C S
MDZ011-220900-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
639 PM EST SAT DEC 21 2024
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE
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 23 32 21 36 30
TEMP 31 29 27 25 24 27 31 31 26 25 23 22 22 29 34 36 33 32 31 32 33
DEWPT 14 9 8 8 6 6 6 6 6 6 7 7 7 10 11 13 16 17 18 19 21
RH 49 42 44 48 45 40 34 34 42 44 50 52 52 44 38 38 49 53 58 58 61
WIND DIR NW NW NW NW NW N NW N N NE NE NE NE SE SE SE S S S SW SW
WIND SPD 11 8 8 6 5 9 8 6 3 3 2 2 2 3 5 5 4 4 4 4 3
WIND GUST 18
CLOUDS B2 SC SC SC FW FW FW FW FW CL FW FW FW FW SC SC SC B1 B1 B2 OV
POP 12HR 0 0 0 0 30
QPF 12HR 0 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00
FLURRIES
SNOW C C C
SPRINKLES
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24
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 47 33 44 32 46 35 48 39 49
TEMP 45 39 36 33 43 36 35 33 44 38 37 36 46 42 40 40 47 44
DEWPT 27 29 27 26 27 26 26 25 27 29 28 29 31 33 32 32 36 35
PWIND DIR W N NE NE NE NE E E NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC SC SC B1 SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2
POP 12HR 30 5 10 20 20 20 30 50 40
RAIN S S S S S S S C C C C C
SNOW C
WVZ052-220900-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
639 PM EST SAT DEC 21 2024
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE
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 18 31 11 35 24
TEMP 29 26 24 22 19 25 30 29 22 18 16 13 12 22 33 35 30 27 25 27 29
DEWPT 13 10 9 9 9 8 7 5 6 6 6 5 5 8 10 12 14 15 17 20 21
RH 51 50 52 57 64 48 37 35 49 59 64 70 73 54 38 38 51 60 71 74 72
WIND DIR NW NW NW NW NW NW NW N NE NE SE SE SE S S S S S S S SW
WIND SPD 11 9 8 8 8 9 8 4 2 1 1 1 2 4 9 9 6 6 3 2 3
CLOUDS OV B2 B1 SC SC FW FW FW FW FW FW FW FW FW SC SC SC B1 B1 B2 B2
POP 12HR 0 0 0 0 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SNOW S S S
SNOWSHWRS
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24
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 43 27 40 25 42 28 44 32 46
TEMP 42 36 30 27 39 33 29 26 40 35 31 30 42 39 35 34 44 41
DEWPT 29 29 26 25 27 26 25 24 27 28 27 27 31 31 31 31 35 35
PWIND DIR W NW E NE E E SE SE E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR 20 5 10 20 20 20 40 40 40
RAIN S S S S C C C C C
SNOW S S
VAZ506-220900-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
639 PM EST SAT DEC 21 2024
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE
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 20 32 13 35 25
TEMP 31 26 25 23 20 26 30 31 23 19 18 15 14 25 33 35 30 27 26 27 27
DEWPT 15 11 11 10 10 9 8 8 9 9 8 8 9 12 14 16 16 18 18 19 21
RH 51 52 55 57 64 48 39 37 54 64 64 73 80 57 45 45 55 68 71 71 78
WIND DIR NW NW NW NW N N N N NE NE E E SE SE S S S S S S SW
WIND SPD 11 10 6 6 8 9 8 5 3 2 2 2 2 4 8 8 6 6 6 4 3
CLOUDS OV B1 B1 B1 SC FW FW FW CL FW FW FW FW FW SC SC SC SC SC B2 B2
POP 12HR 0 0 0 0 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES
FRZG RAIN S
SNOW S S S
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24
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 46 28 42 28 44 32 46 36 49
TEMP 44 38 33 28 40 36 31 29 42 37 33 32 44 42 38 36 46 43
DEWPT 31 32 29 28 31 30 29 28 32 31 31 31 36 36 36 36 40 39
PWIND DIR W N NE NE NE NE E E E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2
POP 12HR 20 5 10 20 20 20 40 40 40
RAIN S S S S S C C C C C
SNOW S S
VAZ037-220900-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
639 PM EST SAT DEC 21 2024
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE
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 20 34 15 37 25
TEMP 31 27 25 22 20 28 33 32 25 22 20 17 16 26 35 37 32 28 26 27 29
DEWPT 11 11 10 10 10 9 8 6 8 9 9 9 9 10 12 13 14 14 15 16 19
RH 43 50 52 59 64 44 34 33 48 57 62 70 73 50 38 37 47 55 62 63 66
WIND DIR NW NW NW NW N N N E NE NE NE NE S S S S S SW SW SW SW
WIND SPD 6 4 3 3 2 3 3 2 2 1 1 1 1 3 8 6 4 5 5 3 3
CLOUDS FW SC SC SC FW CL CL CL CL CL FW FW CL CL FW FW FW FW SC SC B1
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES
SPRINKLES
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24
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 48 29 44 30 45 32 47 36 50
TEMP 46 39 34 30 43 38 34 31 43 39 35 33 44 42 38 37 48 45
DEWPT 27 27 28 27 30 28 28 28 31 30 30 30 33 33 32 34 37 36
PWIND DIR W N NE NE E NE E N E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC B1 B1 B1 B1 B1 SC B1 B1 B1 B2 B2 B2 B2 B1
POP 12HR 10 5 10 20 20 20 40 40 40
RAIN S S S S S S C C C C C C
MDZ003-220900-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
639 PM EST SAT DEC 21 2024
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE
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 18 29 12 33 25
TEMP 27 24 22 21 19 24 28 28 21 18 17 14 14 23 31 33 30 27 26 27 29
DEWPT 11 9 9 8 7 8 5 5 5 5 5 5 4 7 11 14 15 16 18 20 22
RH 50 52 57 56 59 50 37 37 49 56 58 67 64 50 43 45 53 63 71 74 75
WIND DIR NW NW NW NW NW NW NW N NE E E SE SE S S S S S S S SW
WIND SPD 12 9 8 6 6 8 6 4 3 2 2 2 3 5 9 8 8 8 5 3 3
CLOUDS B2 B1 B1 SC SC FW FW FW FW FW FW FW FW FW SC B1 B1 B1 B2 OV B2
POP 12HR 0 0 0 0 30
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SNOW S S C C S
SNOWSHWRS
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24
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 43 27 40 26 42 30 43 35 46
TEMP 41 36 30 27 38 33 29 27 40 34 31 31 41 39 36 35 43 40
DEWPT 31 30 27 26 30 28 26 25 30 29 27 28 34 33 33 33 38 37
PWIND DIR W N E E E E SE E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR 20 5 10 20 20 20 40 40 40
RAIN S S S S C C C C C
SNOW S S
MDZ017-220900-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
639 PM EST SAT DEC 21 2024
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE
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 23 34 19 38 29
TEMP 32 30 27 25 24 30 32 33 28 25 22 21 21 30 37 35 31 31 30 31 32
DEWPT 15 14 12 12 12 12 12 11 12 14 12 12 13 14 15 17 19 23 24 24 23
RH 49 51 53 57 60 46 43 39 50 62 65 68 71 51 40 47 61 72 78 75 69
WIND DIR NW NW NW NW NW N N N N NE NE NE NE E SE SE S S SW SW SW
WIND SPD 16 14 12 12 12 12 11 9 6 6 5 5 4 4 5 5 6 8 8 8 6
CLOUDS FW SC SC SC SC FW FW CL FW FW FW CL FW CL FW FW FW FW FW SC B1
POP 12HR 5 0 0 0 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C
SNOW S
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24
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 47 32 45 33 47 36 51 40 51
TEMP 45 39 37 32 43 38 36 34 45 39 38 37 49 43 41 41 49 44
DEWPT 28 32 31 29 32 32 31 31 33 34 33 33 36 38 36 37 41 40
PWIND DIR W N N NE NE NE NE E NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B2 B2 B2
POP 12HR 30 10 10 20 20 20 30 50 40
RAIN C S S S S S S S C C C C C
SNOW S
WVZ502-220900-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
639 PM EST SAT DEC 21 2024
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE
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 14 32 12 42 25
TEMP 26 22 19 17 15 21 30 32 24 19 17 14 14 24 37 41 32 28 27 30 31
DEWPT 13 12 10 9 9 10 8 8 9 9 9 8 8 10 12 15 16 17 19 23 26
RH 57 65 67 70 77 62 39 36 52 64 70 76 76 54 35 34 51 63 71 75 81
WIND DIR E N N N E N N NE E S S S S S S S S S SW W W
WIND SPD 9 5 4 3 2 2 2 2 1 1 2 2 1 3 3 4 4 5 4 4 3
WIND GUST 21
CLOUDS OV B2 B2 B1 SC FW FW CL CL FW FW FW FW FW FW FW SC SC B1 B2 B2
POP 12HR 10 0 0 0 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES C C
FRZG RAIN S S
SNOW S S
SNOWSHWRS
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24
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 45 27 45 27 49 30 50 35 53
TEMP 43 37 32 27 43 35 30 28 46 37 33 31 46 42 37 36 49 45
DEWPT 32 32 30 27 31 30 28 27 33 33 31 30 36 35 35 35 40 39
PWIND DIR W W SE SE SE SE SE S SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B2 B2 B2 B1 B1
POP 12HR 10 5 10 20 10 20 40 40 30
RAIN S S C C C C C C
SNOW S
MDZ014-220900-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
639 PM EST SAT DEC 21 2024
DATE 12/21/24 SUN 12/22/24 MON 12/23/24 TUE
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 22 30 21 35 29
TEMP 32 29 26 25 22 26 28 30 27 25 23 22 21 28 32 34 33 32 30 31 32
DEWPT 13 12 11 11 10 9 8 8 9 11 11 11 12 12 13 15 18 21 21 22 23
RH 45 48 52 55 59 48 42 39 46 55 59 62 68 50 45 45 53 63 69 69 69
WIND DIR NW N NW NW N N N N N NE NE NE E E SE S S S SW SW SW
WIND SPD 12 12 10 10 8 9 9 6 5 4 3 2 2 4 5 6 6 8 8 6 4
CLOUDS FW SC SC SC SC FW FW FW FW CL FW FW CL FW SC SC SC SC SC B1 B2
POP 12HR 0 0 0 0 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C
SNOW S S C
DATE 12/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24
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 43 32 41 31 42 34 46 37 47
TEMP 41 38 35 32 40 37 34 32 40 38 36 36 44 42 39 39 45 43
DEWPT 28 30 30 28 29 29 29 28 30 31 31 31 34 35 34 35 37 37
PWIND DIR W N NE NE NE NE NE E NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 SC SC SC B1 B1 SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2
POP 12HR 30 10 10 20 20 20 30 50 40
RAIN C S S S S S S S C C C C C
SNOW C
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