179
CDUS41 KLWX 070631
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
231 AM EDT TUE JUL 07 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 6 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 88 2:31 PM 102 1977 87 1 88
MINIMUM 73 5:20 AM 45 1979 66 7 63
AVERAGE 81 77 4 76
PRECIPITATION (IN)
YESTERDAY 0.67 1.68 2017 0.13 0.54 T
MONTH TO DATE 0.76 0.82 -0.06 0.39
SINCE JUN 1 5.05 5.12 -0.07 7.32
SINCE JAN 1 19.97 22.36 -2.39 21.24
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 16 12 4 11
MONTH TO DATE 121 70 51 73
SINCE JUN 1 399 308 91 394
SINCE JAN 1 572 414 158 512
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 10:00 PM
LOWEST 63 1:00 PM
AVERAGE 80
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 101 1988
2010
2012
MINIMUM TEMPERATURE (F) 67 47 1970
SUNRISE AND SUNSET
JULY 7 2026..........SUNRISE 5:51 AM EDT SUNSET 8:38 PM EDT
JULY 8 2026..........SUNRISE 5:52 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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