054
CDUS41 KLWX 200722
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EST TUE JAN 20 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 19 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 4:36 PM 65 1972 42 0 41
MINIMUM 16 6:04 AM -6 1994 25 -9 24
AVERAGE 29 34 -5 33
PRECIPITATION (IN)
YESTERDAY 0.00 1.36 1987 0.09 -0.09 0.30
MONTH TO DATE 1.34 1.79 -0.45 1.15
SINCE DEC 1 2.64 5.09 -2.45 4.49
SINCE JAN 1 1.34 1.79 -0.45 1.15
SNOWFALL (IN)
YESTERDAY 0.0 4.9 2024 0.3 -0.3 1.4
MONTH TO DATE 0.4 3.7 -3.3 10.5
SINCE DEC 1 2.4 6.5 -4.1 10.6
SINCE JUL 1 2.4 6.8 -4.4 10.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 36 31 5 32
MONTH TO DATE 533 585 -52 649
SINCE DEC 1 1467 1430 37 1478
SINCE JUL 1 2260 2330 -70 2146
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 17 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 6:00 AM
LOWEST 29 5:00 PM
AVERAGE 53
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 63 2006
MINIMUM TEMPERATURE (F) 25 -7 1985
SUNRISE AND SUNSET
JANUARY 20 2026.......SUNRISE 7:25 AM EST SUNSET 5:17 PM EST
JANUARY 21 2026.......SUNRISE 7:24 AM EST SUNSET 5:19 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page