515
CDUS41 KLWX 142128
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
428 PM EST SUN DEC 14 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 14 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 37 12:07 AM 69 2015 47 -10 41
MINIMUM 22 3:59 PM 3 1989 29 -7 24
AVERAGE 30 38 -8 33
PRECIPITATION (IN)
TODAY 0.09 1.24 2020 0.11 -0.02 0.00
MONTH TO DATE 0.87 1.59 -0.72 1.59
SINCE DEC 1 0.87 1.59 -0.72 1.59
SINCE JAN 1 29.75 41.53 -11.78 32.62
SNOWFALL (IN)
TODAY 0.7 3.6 2003 0.1 0.6 0.0
MONTH TO DATE 2.0 1.1 0.9 T
SINCE DEC 1 2.0 1.1 0.9 T
SINCE JUL 1 2.0 1.4 0.6 T
SNOW DEPTH 1
DEGREE DAYS
HEATING
TODAY 35 27 8 32
MONTH TO DATE 453 357 96 398
SINCE DEC 1 453 357 96 398
SINCE JUL 1 1246 1257 -11 1066
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 31 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 14.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 AM
LOWEST 38 3:00 PM
AVERAGE 67
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 71 1971
MINIMUM TEMPERATURE (F) 29 5 1989
SUNRISE AND SUNSET
DECEMBER 14 2025......SUNRISE 7:21 AM EST SUNSET 4:48 PM EST
DECEMBER 15 2025......SUNRISE 7:21 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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