185
CDUS41 KLWX 042125
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT SAT JUL 04 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 4 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 99R 3:59 PM 97 1999 87 12 86
2002
MINIMUM 78 4:03 AM 48 1986 66 12 64
AVERAGE 89 77 12 75
PRECIPITATION (IN)
TODAY 0.00 1.87 2001 0.14 -0.14 0.00
MONTH TO DATE 0.00 0.56 -0.56 0.39
SINCE JUN 1 4.29 4.86 -0.57 7.32
SINCE JAN 1 19.21 22.10 -2.89 21.24
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 1 13 -12 15
SINCE JUL 1 0 0 0 0
COOLING
TODAY 24 12 12 10
MONTH TO DATE 89 46 43 53
SINCE JUN 1 367 284 83 374
SINCE JAN 1 540 390 150 492
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 3:00 AM
LOWEST 40 12:00 PM
AVERAGE 57
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 99 1990
1999
MINIMUM TEMPERATURE (F) 66 50 1971
1996
SUNRISE AND SUNSET
JULY 4 2026..........SUNRISE 5:50 AM EDT SUNSET 8:39 PM EDT
JULY 5 2026..........SUNRISE 5:50 AM EDT SUNSET 8:38 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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