988
CDUS41 KLWX 060726
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 AM EST TUE JAN 06 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 5 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 42 4:18 PM 69 1997 43 -1 35
MINIMUM 21 5:27 AM 5 1970 26 -5 15
AVERAGE 32 34 -2 25
PRECIPITATION (IN)
YESTERDAY 0.00 1.11 1993 0.10 -0.10 0.00
MONTH TO DATE 0.01 0.47 -0.46 0.05
SINCE DEC 1 1.31 3.77 -2.46 3.39
SINCE JAN 1 0.01 0.47 -0.46 0.05
SNOWFALL (IN)
YESTERDAY 0.0 6.4 1980 0.2 -0.2 0.0
MONTH TO DATE 0.1 0.7 -0.6 0.2
SINCE DEC 1 2.1 3.5 -1.4 0.3
SINCE JUL 1 2.1 3.8 -1.7 0.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 31 2 40
MONTH TO DATE 169 151 18 157
SINCE DEC 1 1103 996 107 986
SINCE JUL 1 1896 1896 0 1654
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 15 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 11:00 PM
LOWEST 49 2:00 PM
AVERAGE 66
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 71 2007
MINIMUM TEMPERATURE (F) 26 4 1977
1999
SUNRISE AND SUNSET
JANUARY 6 2026.......SUNRISE 7:29 AM EST SUNSET 5:03 PM EST
JANUARY 7 2026.......SUNRISE 7:29 AM EST SUNSET 5:04 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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