924
CDUS41 KLWX 300736
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
236 AM EST FRI JAN 30 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 29 2026
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)
YESTERDAY
MAXIMUM 24 3:27 PM 75 1975 43 -19 59
MINIMUM 13 8:12 AM -1 1963 25 -12 33
1987
AVERAGE 19 34 -15 46
PRECIPITATION (IN)
YESTERDAY 0.00 0.95 1990 0.09 -0.09 0.00
MONTH TO DATE 3.18 2.75 0.43 1.15
SINCE DEC 1 4.48 6.05 -1.57 4.49
SINCE JAN 1 3.18 2.75 0.43 1.15
SNOWFALL (IN)
YESTERDAY 0.0 7.2 1966 0.3 -0.3 0.0
MONTH TO DATE 8.2 6.3 1.9 10.5
SINCE DEC 1 10.2 9.1 1.1 10.6
SINCE JUL 1 10.2 9.4 0.8 10.6
SNOW DEPTH 6
DEGREE DAYS
HEATING
YESTERDAY 46 31 15 19
MONTH TO DATE 957 895 62 1025
SINCE DEC 1 1891 1740 151 1854
SINCE JUL 1 2684 2640 44 2522
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 11.1
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 51 11:00 PM
LOWEST 39 11:00 AM
AVERAGE 45
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 72 2013
MINIMUM TEMPERATURE (F) 25 2 1965
SUNRISE AND SUNSET
JANUARY 30 2026.......SUNRISE 7:18 AM EST SUNSET 5:29 PM EST
JANUARY 31 2026.......SUNRISE 7:17 AM EST SUNSET 5:30 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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