663
CDUS41 KLWX 102132
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
532 PM EDT THU JUL 10 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 10 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 85 3:59 PM 99 1988 88 -3 94
1993
MINIMUM 71 5:35 AM 53 1963 67 4 77
AVERAGE 78 77 1 86
PRECIPITATION (IN)
TODAY T 1.63 1995 0.14 -0.14 0.38
MONTH TO DATE 0.84 1.36 -0.52 1.06
SINCE JUN 1 7.77 5.66 2.11 1.75
SINCE JAN 1 21.69 22.90 -1.21 19.05
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 15 13 2 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 13 12 1 21
MONTH TO DATE 140 118 22 173
SINCE JUN 1 461 356 105 527
SINCE JAN 1 579 462 117 710
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 63 4:00 PM
AVERAGE 80
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1988
MINIMUM TEMPERATURE (F) 67 52 1983
SUNRISE AND SUNSET
JULY 10 2025..........SUNRISE 5:53 AM EDT SUNSET 8:37 PM EDT
JULY 11 2025..........SUNRISE 5:54 AM EDT SUNSET 8:36 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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