Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 240626
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 AM EDT SUN AUG 24 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 23 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 4:11 PM 96 1998 86 -3 84
MINIMUM 61 12:49 AM 47 1981 65 -4 51
AVERAGE 72 75 -3 68
PRECIPITATION (IN)
YESTERDAY 0.00 1.60 2001 0.12 -0.12 0.00
MONTH TO DATE 0.85 2.61 -1.76 3.05
SINCE JUN 1 10.72 11.06 -0.34 6.40
SINCE JAN 1 24.64 28.30 -3.66 23.70
SNOWFALL (IN)
YESTERDAY 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 MM
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE JUN 1 15 13 2 2
SINCE JUL 1 0 0 0 2
COOLING
YESTERDAY 7 10 -3 3
MONTH TO DATE 208 259 -51 276
SINCE JUN 1 1006 875 131 1129
SINCE JAN 1 1124 981 143 1312
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 49 1:00 PM
AVERAGE 70
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 97 1998
MINIMUM TEMPERATURE (F) 64 46 1971
1987
SUNRISE AND SUNSET
AUGUST 24 2025........SUNRISE 6:32 AM EDT SUNSET 7:52 PM EDT
AUGUST 25 2025........SUNRISE 6:33 AM EDT SUNSET 7:50 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$