073
CDUS41 KLWX 260622
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EDT SAT JUL 26 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 25 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 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)
YESTERDAY 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)
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 0
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 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 6.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 10:00 PM
LOWEST 49 1:00 PM
AVERAGE 72
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1966
2012
MINIMUM TEMPERATURE (F) 67 50 1976
SUNRISE AND SUNSET
JULY 26 2025..........SUNRISE 6:06 AM EDT SUNSET 8:26 PM EDT
JULY 27 2025..........SUNRISE 6:07 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page