299
CDUS41 KLWX 272133
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
433 PM EST SAT DEC 27 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 27 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 44 1:50 PM 73 1971 44 0 47
MINIMUM 37 7:20 AM 1 1989 27 10 32
AVERAGE 41 36 5 40
PRECIPITATION (IN)
TODAY 0.00 1.04 1964 0.10 -0.10 0.01
MONTH TO DATE 1.30 2.93 -1.63 2.37
SINCE DEC 1 1.30 2.93 -1.63 2.37
SINCE JAN 1 30.18 42.87 -12.69 33.40
SNOWFALL (IN)
TODAY 0.0 4.4 1990 0.1 -0.1 0.0
MONTH TO DATE 2.0 2.3 -0.3 0.1
SINCE DEC 1 2.0 2.3 -0.3 0.1
SINCE JUL 1 2.0 2.6 -0.6 0.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 24 30 -6 25
MONTH TO DATE 814 726 88 767
SINCE DEC 1 814 726 88 767
SINCE JUL 1 1607 1626 -19 1435
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1330 1231 99 1586
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 9:00 AM
LOWEST 59 1:00 AM
AVERAGE 68
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 73 1984
MINIMUM TEMPERATURE (F) 27 8 1966
SUNRISE AND SUNSET
DECEMBER 27 2025......SUNRISE 7:27 AM EST SUNSET 4:55 PM EST
DECEMBER 28 2025......SUNRISE 7:28 AM EST SUNSET 4:55 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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