925
CDUS41 KLWX 050633
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
233 AM EDT SUN JUL 05 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 4 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 99R 4:00 PM 97 1999 87 12 86
2002
MINIMUM 74 11:59 PM 48 1986 66 8 64
AVERAGE 87 77 10 75
PRECIPITATION (IN)
YESTERDAY 0.04 1.87 2001 0.14 -0.10 0.00
MONTH TO DATE 0.04 0.56 -0.52 0.39
SINCE JUN 1 4.33 4.86 -0.53 7.32
SINCE JAN 1 19.25 22.10 -2.85 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 22 12 10 10
MONTH TO DATE 87 46 41 53
SINCE JUN 1 365 284 81 374
SINCE JAN 1 538 390 148 492
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 8:00 PM
LOWEST 40 12:00 PM
AVERAGE 64
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 99 1990
1999
MINIMUM TEMPERATURE (F) 66 50 1971
1996
SUNRISE AND SUNSET
JULY 5 2026..........SUNRISE 5:50 AM EDT SUNSET 8:38 PM EDT
JULY 6 2026..........SUNRISE 5:51 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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