076
CDUS41 KLWX 070721
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
221 AM EST WED JAN 07 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 6 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 49 2:49 PM 71 2007 43 6 30
MINIMUM 29 7:18 AM 4 1977 26 3 26
1999
AVERAGE 39 34 5 28
PRECIPITATION (IN)
YESTERDAY 0.00 0.97 2024 0.09 -0.09 0.64
MONTH TO DATE 0.01 0.56 -0.55 0.69
SINCE DEC 1 1.31 3.86 -2.55 4.03
SINCE JAN 1 0.01 0.56 -0.55 0.69
SNOWFALL (IN)
YESTERDAY 0.0 6.0 2025 0.1 -0.1 6.0
MONTH TO DATE 0.1 0.8 -0.7 6.2
SINCE DEC 1 2.1 3.6 -1.5 6.3
SINCE JUL 1 2.1 3.9 -1.8 6.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 26 31 -5 37
MONTH TO DATE 195 182 13 194
SINCE DEC 1 1129 1027 102 1023
SINCE JUL 1 1922 1927 -5 1691
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 1.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 11:00 PM
LOWEST 71 3:00 PM
AVERAGE 86
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 71 2008
MINIMUM TEMPERATURE (F) 26 -1 2018
SUNRISE AND SUNSET
JANUARY 7 2026.......SUNRISE 7:29 AM EST SUNSET 5:04 PM EST
JANUARY 8 2026.......SUNRISE 7:29 AM EST SUNSET 5:05 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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