612
CDUS41 KLWX 150727
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EST THU JAN 15 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 14 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 53 1:34 PM 72 1995 42 11 35
MINIMUM 43 11:59 PM 5 1970 25 18 24
AVERAGE 48 34 14 30
PRECIPITATION (IN)
YESTERDAY T 1.79 2005 0.10 -0.10 T
MONTH TO DATE 1.23 1.32 -0.09 0.81
SINCE DEC 1 2.53 4.62 -2.09 4.15
SINCE JAN 1 1.23 1.32 -0.09 0.81
SNOWFALL (IN)
YESTERDAY 0.0 0.3 1978 0.2 -0.2 T
MONTH TO DATE 0.1 2.4 -2.3 8.8
SINCE DEC 1 2.1 5.2 -3.1 8.9
SINCE JUL 1 2.1 5.5 -3.4 8.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 17 31 -14 35
MONTH TO DATE 365 430 -65 481
SINCE DEC 1 1299 1275 24 1310
SINCE JUL 1 2092 2175 -83 1978
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 16 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58 11:00 PM
LOWEST 33 12:00 AM
AVERAGE 46
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 68 2007
MINIMUM TEMPERATURE (F) 25 -7 1964
SUNRISE AND SUNSET
JANUARY 15 2026.......SUNRISE 7:27 AM EST SUNSET 5:12 PM EST
JANUARY 16 2026.......SUNRISE 7:27 AM EST SUNSET 5:13 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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