927
CDUS41 KLWX 242122
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT MON AUG 24 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 24 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 82 3:59 PM 97 1998 86 -4 84
MINIMUM 59 3:33 AM 46 1971 64 -5 66
1987
AVERAGE 71 75 -4 75
PRECIPITATION (IN)
TODAY 0.00 3.88 1967 0.11 -0.11 T
MONTH TO DATE 4.29 2.72 1.57 0.85
SINCE JUN 1 13.92 11.17 2.75 10.72
SINCE JAN 1 28.84 28.41 0.43 24.64
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 1 13 -12 15
SINCE JUL 1 0 0 0 0
COOLING
TODAY 6 10 -4 10
MONTH TO DATE 315 269 46 218
SINCE JUN 1 1028 885 143 1016
SINCE JAN 1 1201 991 210 1134
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 2.6
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 AM
LOWEST 41 4:00 PM
AVERAGE 66
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 97 1998
2007
2023
MINIMUM TEMPERATURE (F) 64 47 1971
SUNRISE AND SUNSET
AUGUST 24 2026........SUNRISE 6:32 AM EDT SUNSET 7:52 PM EDT
AUGUST 25 2026........SUNRISE 6:32 AM EDT SUNSET 7:51 PM EDT
- 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