680
CDUS41 KLWX 270723
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
223 AM EST SAT DEC 27 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 26 2025
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)
YESTERDAY
MAXIMUM 39 11:59 PM 71 1964 44 -5 41
MINIMUM 30 6:18 AM -1 1983 27 3 27
AVERAGE 35 36 -1 34
PRECIPITATION (IN)
YESTERDAY 0.02 1.41 2012 0.09 -0.07 0.00
MONTH TO DATE 1.30 2.83 -1.53 2.36
SINCE DEC 1 1.30 2.83 -1.53 2.36
SINCE JAN 1 30.18 42.77 -12.59 33.39
SNOWFALL (IN)
YESTERDAY T 6.1 1969 0.1 -0.1 0.0
MONTH TO DATE 2.0 2.2 -0.2 0.1
SINCE DEC 1 2.0 2.2 -0.2 0.1
SINCE JUL 1 2.0 2.5 -0.5 0.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 30 29 1 31
MONTH TO DATE 790 696 94 742
SINCE DEC 1 790 696 94 742
SINCE JUL 1 1583 1596 -13 1410
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LT FREEZING RAIN
SLEET
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 12:00 PM
LOWEST 44 12:00 AM
AVERAGE 55
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 73 1971
MINIMUM TEMPERATURE (F) 27 1 1989
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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