249
CDUS41 KLWX 092123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
423 PM EST FRI JAN 09 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 9 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 51 3:59 PM 64 2008 42 9 31
MINIMUM 39 6:34 AM -8 1970 26 13 18
AVERAGE 45 34 11 25
PRECIPITATION (IN)
TODAY 0.01 1.76 2024 0.09 -0.08 0.00
MONTH TO DATE 0.02 0.83 -0.81 0.69
SINCE DEC 1 1.32 4.13 -2.81 4.03
SINCE JAN 1 0.02 0.83 -0.81 0.69
SNOWFALL (IN)
TODAY 0.0 3.5 1997 0.2 -0.2 0.0
MONTH TO DATE 0.1 1.3 -1.2 6.2
SINCE DEC 1 2.1 4.1 -2.0 6.3
SINCE JUL 1 2.1 4.4 -2.3 6.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 20 31 -11 40
MONTH TO DATE 256 275 -19 309
SINCE DEC 1 1190 1120 70 1138
SINCE JUL 1 1983 2020 -37 1806
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 13 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 7.5
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 PM
LOWEST 70 12:00 AM
AVERAGE 82
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 59 2016
MINIMUM TEMPERATURE (F) 25 0 1982
SUNRISE AND SUNSET
JANUARY 9 2026.......SUNRISE 7:28 AM EST SUNSET 5:06 PM EST
JANUARY 10 2026.......SUNRISE 7:28 AM EST SUNSET 5:07 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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