541
CDUS41 KLWX 172136
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
436 PM EST SAT JAN 17 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 17 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 44 3:59 PM 70 1990 42 2 44
MINIMUM 32 9:36 AM -7 1982 25 7 32
AVERAGE 38 34 4 38
PRECIPITATION (IN)
TODAY 0.03 1.14 1994 0.10 -0.07 0.00
MONTH TO DATE 1.27 1.61 -0.34 0.82
SINCE DEC 1 2.57 4.91 -2.34 4.16
SINCE JAN 1 1.27 1.61 -0.34 0.82
SNOWFALL (IN)
TODAY 0.3 4.2 1965 0.3 0.0 0.0
MONTH TO DATE 0.4 3.2 -2.8 9.1
SINCE DEC 1 2.4 6.0 -3.6 9.2
SINCE JUL 1 2.4 6.3 -3.9 9.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 27 31 -4 27
MONTH TO DATE 461 523 -62 591
SINCE DEC 1 1395 1368 27 1420
SINCE JUL 1 2188 2268 -80 2088
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 (190)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
SNOW
LIGHT SNOW
SLEET
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 9:00 AM
LOWEST 29 2:00 AM
AVERAGE 57
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 70 1990
MINIMUM TEMPERATURE (F) 25 -1 1994
SUNRISE AND SUNSET
JANUARY 17 2026.......SUNRISE 7:26 AM EST SUNSET 5:14 PM EST
JANUARY 18 2026.......SUNRISE 7:26 AM EST SUNSET 5:15 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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