352
CDUS41 KLWX 230647
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
247 AM EDT SUN AUG 23 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 22 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 80 3:42 PM 101 1983 86 -6 84
MINIMUM 66 2:06 AM 49 2024 65 1 64
AVERAGE 73 75 -2 74
PRECIPITATION (IN)
YESTERDAY 0.12 0.94 2009 0.11 0.01 0.00
MONTH TO DATE 4.29 2.49 1.80 0.85
SINCE JUN 1 13.92 10.94 2.98 10.72
SINCE JAN 1 28.84 28.18 0.66 24.64
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 8 10 -2 9
MONTH TO DATE 300 249 51 201
SINCE JUN 1 1013 865 148 999
SINCE JAN 1 1186 971 215 1117
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 9:00 PM
LOWEST 71 2:00 PM
AVERAGE 82
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 96 1998
MINIMUM TEMPERATURE (F) 65 47 1981
SUNRISE AND SUNSET
AUGUST 23 2026........SUNRISE 6:31 AM EDT SUNSET 7:53 PM EDT
AUGUST 24 2026........SUNRISE 6:32 AM EDT SUNSET 7:52 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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