917
CDUS41 KLWX 282128
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
428 PM EST SUN DEC 28 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 28 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 43 3:59 PM 73 1984 44 -1 52
MINIMUM 35 8:28 AM 8 1966 27 8 40
AVERAGE 39 35 4 46
PRECIPITATION (IN)
TODAY 0.00 1.74 1967 0.10 -0.10 0.49
MONTH TO DATE 1.30 3.03 -1.73 2.86
SINCE DEC 1 1.30 3.03 -1.73 2.86
SINCE JAN 1 30.18 42.97 -12.79 33.89
SNOWFALL (IN)
TODAY 0.0 2.3 1993 0.1 -0.1 0.0
MONTH TO DATE 2.0 2.4 -0.4 0.1
SINCE DEC 1 2.0 2.4 -0.4 0.1
SINCE JUL 1 2.0 2.7 -0.7 0.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 26 30 -4 19
MONTH TO DATE 840 756 84 786
SINCE DEC 1 840 756 84 786
SINCE JUL 1 1633 1656 -23 1454
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 14 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 2:00 AM
LOWEST 70 11:00 AM
AVERAGE 75
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 78 1984
MINIMUM TEMPERATURE (F) 27 7 1977
SUNRISE AND SUNSET
DECEMBER 28 2025......SUNRISE 7:28 AM EST SUNSET 4:55 PM EST
DECEMBER 29 2025......SUNRISE 7:28 AM EST SUNSET 4:56 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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