Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 212130
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
430 PM EST FRI NOV 21 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 21 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 55 3:27 PM 76 2007 54 1 51
MINIMUM 41 5:37 AM 16 1969 34 7 36
AVERAGE 48 44 4 44
PRECIPITATION (IN)
TODAY 0.00 2.15 2023 0.10 -0.10 T
MONTH TO DATE 0.63 2.19 -1.56 1.35
SINCE SEP 1 3.98 9.78 -5.80 4.75
SINCE JAN 1 28.62 39.00 -10.38 30.53
SNOWFALL (IN)
TODAY 0.0 0.2 1987 0.0 0.0 T
MONTH TO DATE 0.0 0.1 -0.1 T
SINCE SEP 1 0.0 0.1 -0.1 T
SINCE JUL 1 0.0 0.1 -0.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 17 21 -4 21
MONTH TO DATE 349 369 -20 237
SINCE SEP 1 607 698 -91 473
SINCE JUL 1 609 699 -90 475
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 16
SINCE SEP 1 182 174 8 172
SINCE JAN 1 1330 1230 100 1586
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 1.6
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 74 2:00 PM
AVERAGE 85
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 75 2007
MINIMUM TEMPERATURE (F) 34 14 1964
2014
SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE 6:59 AM EST SUNSET 4:52 PM EST
NOVEMBER 22 2025......SUNRISE 7:01 AM EST SUNSET 4:51 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$