844
CDUS41 KLWX 212127
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
427 PM EST WED JAN 21 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 21 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 42 3:59 PM 63 2018 42 0 20
MINIMUM 6 6:15 AM -16 1984 25 -19 10
AVERAGE 24 34 -10 15
PRECIPITATION (IN)
TODAY 0.00 0.94 1974 0.10 -0.10 T
MONTH TO DATE 1.34 1.99 -0.65 1.15
SINCE DEC 1 2.64 5.29 -2.65 4.49
SINCE JAN 1 1.34 1.99 -0.65 1.15
SNOWFALL (IN)
TODAY 0.0 8.5 2014 0.3 -0.3 T
MONTH TO DATE 0.4 4.2 -3.8 10.5
SINCE DEC 1 2.4 7.0 -4.6 10.6
SINCE JUL 1 2.4 7.3 -4.9 10.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 41 31 10 50
MONTH TO DATE 618 647 -29 745
SINCE DEC 1 1552 1492 60 1574
SINCE JUL 1 2345 2392 -47 2242
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 4:00 AM
LOWEST 19 3:00 PM
AVERAGE 48
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 68 1986
MINIMUM TEMPERATURE (F) 25 -18 1984
SUNRISE AND SUNSET
JANUARY 21 2026.......SUNRISE 7:24 AM EST SUNSET 5:19 PM EST
JANUARY 22 2026.......SUNRISE 7:24 AM EST SUNSET 5:20 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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