744
CDUS41 KLWX 252122
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT FRI JUL 25 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 25 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 97 2:35 PM 100 2016 88 9 87
MINIMUM 73 5:30 AM 55 1976 67 6 71
AVERAGE 85 77 8 79
PRECIPITATION (IN)
TODAY 0.01 1.54 1992 0.12 -0.11 T
MONTH TO DATE 1.84 3.39 -1.55 2.54
SINCE JUN 1 8.77 7.69 1.08 3.23
SINCE JAN 1 22.69 24.93 -2.24 20.53
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 MM
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 15 13 2 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 20 12 8 14
MONTH TO DATE 369 298 71 413
SINCE JUN 1 690 536 154 767
SINCE JAN 1 808 642 166 950
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 6:00 AM
LOWEST 49 1:00 PM
AVERAGE 70
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1966
2012
MINIMUM TEMPERATURE (F) 67 50 1976
SUNRISE AND SUNSET
JULY 25 2025..........SUNRISE 6:05 AM EDT SUNSET 8:27 PM EDT
JULY 26 2025..........SUNRISE 6:06 AM EDT SUNSET 8:26 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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