327
CDUS41 KLWX 260621
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
221 AM EDT SUN JUL 26 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 25 2026
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)
YESTERDAY
MAXIMUM 79 3:58 PM 100 2016 88 -9 97
MINIMUM 65 4:56 AM 55 1976 67 -2 73
AVERAGE 72 77 -5 85
PRECIPITATION (IN)
YESTERDAY T 1.54 1992 0.12 -0.12 0.01
MONTH TO DATE 5.34 3.39 1.95 1.84
SINCE JUN 1 9.63 7.69 1.94 8.77
SINCE JAN 1 24.55 24.93 -0.38 22.69
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 1 13 -12 15
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 7 12 -5 20
MONTH TO DATE 362 298 64 369
SINCE JUN 1 640 536 104 690
SINCE JAN 1 813 642 171 808
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 60 3:00 PM
AVERAGE 77
......................................................
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 2026..........SUNRISE 6:06 AM EDT SUNSET 8:27 PM EDT
JULY 27 2026..........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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