214
CDUS41 KLWX 040627
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT SAT JUL 04 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 3 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 98 5:15 PM 103 1966 87 11 90
MINIMUM 78 3:45 AM 50 1962 66 12 66
1977
AVERAGE 88 77 11 78
PRECIPITATION (IN)
YESTERDAY 0.00 1.66 1978 0.13 -0.13 0.00
MONTH TO DATE 0.00 0.42 -0.42 0.39
SINCE JUN 1 4.29 4.72 -0.43 7.32
SINCE JAN 1 19.21 21.96 -2.75 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 23 12 11 13
MONTH TO DATE 65 34 31 43
SINCE JUN 1 343 272 71 364
SINCE JAN 1 516 378 138 482
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 2:00 AM
LOWEST 45 4:00 PM
AVERAGE 61
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 97 1999
2002
MINIMUM TEMPERATURE (F) 66 48 1986
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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