650
CDUS41 KLWX 232124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT SUN AUG 23 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 23 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 84 3:52 PM 96 1998 86 -2 83
MINIMUM 64 5:47 AM 47 1981 65 -1 61
AVERAGE 74 75 -1 72
PRECIPITATION (IN)
TODAY 0.00 1.60 2001 0.12 -0.12 0.00
MONTH TO DATE 4.29 2.61 1.68 0.85
SINCE JUN 1 13.92 11.06 2.86 10.72
SINCE JAN 1 28.84 28.30 0.54 24.64
SNOWFALL (IN)
TODAY MM MM MM 0.0 MM 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 MM
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 9 10 -1 7
MONTH TO DATE 309 259 50 208
SINCE JUN 1 1022 875 147 1006
SINCE JAN 1 1195 981 214 1124
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 6:00 AM
LOWEST 33 4:00 PM
AVERAGE 67
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 97 1998
MINIMUM TEMPERATURE (F) 64 46 1971
1987
SUNRISE AND SUNSET
AUGUST 23 2026........SUNRISE 6:31 AM EDT SUNSET 7:53 PM EDT
AUGUST 24 2026........SUNRISE 6:32 AM EDT SUNSET 7:52 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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