208
CDUS41 KLWX 280722
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EST WED JAN 28 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 27 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 29 5:26 PM 71 1974 43 -14 49
MINIMUM 3 7:58 AM -9 1987 25 -22 20
AVERAGE 16 34 -18 35
PRECIPITATION (IN)
YESTERDAY 0.00 0.95 1976 0.09 -0.09 0.00
MONTH TO DATE 3.18 2.56 0.62 1.15
SINCE DEC 1 4.48 5.86 -1.38 4.49
SINCE JAN 1 3.18 2.56 0.62 1.15
SNOWFALL (IN)
YESTERDAY 0.0 2.0 2009 0.3 -0.3 0.0
MONTH TO DATE 8.2 5.8 2.4 10.5
SINCE DEC 1 10.2 8.6 1.6 10.6
SINCE JUL 1 10.2 8.9 1.3 10.6
SNOW DEPTH 7
DEGREE DAYS
HEATING
YESTERDAY 49 31 18 30
MONTH TO DATE 865 833 32 981
SINCE DEC 1 1799 1678 121 1810
SINCE JUL 1 2592 2578 14 2478
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 21 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.5
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 8:00 AM
LOWEST 30 3:00 PM
AVERAGE 53
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 68 2002
MINIMUM TEMPERATURE (F) 25 -17 1987
SUNRISE AND SUNSET
JANUARY 28 2026.......SUNRISE 7:19 AM EST SUNSET 5:27 PM EST
JANUARY 29 2026.......SUNRISE 7:19 AM EST SUNSET 5:28 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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