829
CDUS41 KLWX 292146
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
546 PM EDT WED JUL 29 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 29 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 84 2:48 PM 103 2011 88 -4 95
MINIMUM 69 5:24 AM 52 2014 67 2 70
AVERAGE 77 77 0 83
PRECIPITATION (IN)
TODAY 0.00 0.92 2001 0.12 -0.12 0.00
MONTH TO DATE 5.34 3.89 1.45 2.65
SINCE JUN 1 9.63 8.19 1.44 9.58
SINCE JAN 1 24.55 25.43 -0.88 23.50
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 12 12 0 18
MONTH TO DATE 411 346 65 440
SINCE JUN 1 689 584 105 761
SINCE JAN 1 862 690 172 879
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 10.8
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 12:00 AM
LOWEST 45 1:00 PM
AVERAGE 66
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1988
MINIMUM TEMPERATURE (F) 67 48 2014
SUNRISE AND SUNSET
JULY 29 2026..........SUNRISE 6:08 AM EDT SUNSET 8:24 PM EDT
JULY 30 2026..........SUNRISE 6:09 AM EDT SUNSET 8:23 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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