739
CDUS41 KLWX 182125
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
425 PM EST THU DEC 18 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 18 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 57 2:53 PM 74 2006 48 9 57
MINIMUM 28 4:32 AM 10 1919 34 -6 38
1926
AVERAGE 43 41 2 48
PRECIPITATION (IN)
TODAY 0.00 2.81 1977 0.12 -0.12 0.10
MONTH TO DATE 1.20 2.08 -0.88 1.78
SINCE DEC 1 1.20 2.08 -0.88 1.78
SINCE JAN 1 34.99 40.49 -5.50 36.47
SNOWFALL (IN)
TODAY 0.0 3.0 1916 0.0 0.0 0.0
1945
MONTH TO DATE 1.5 0.8 0.7 T
SINCE DEC 1 1.5 0.8 0.7 T
SINCE JUL 1 1.5 0.9 0.6 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 22 24 -2 17
MONTH TO DATE 509 396 113 410
SINCE DEC 1 509 396 113 410
SINCE JUL 1 1084 1042 42 833
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1716 1737 -21 2029
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 8:00 AM
LOWEST 42 3:00 PM
AVERAGE 66
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 74 1924
MINIMUM TEMPERATURE (F) 34 6 1884
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 7:21 AM EST SUNSET 4:48 PM EST
DECEMBER 19 2025......SUNRISE 7:22 AM EST SUNSET 4:49 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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