679
CDUS41 KLWX 142128
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
528 PM EDT THU AUG 14 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 14 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 94 2:56 PM 100 1985 87 7 85
MINIMUM 68 4:40 AM 49 1983 66 2 62
AVERAGE 81 76 5 74
PRECIPITATION (IN)
TODAY 0.00 1.12 2008 0.11 -0.11 0.00
MONTH TO DATE 0.32 1.63 -1.31 1.97
SINCE JUN 1 10.19 10.08 0.11 5.32
SINCE JAN 1 24.11 27.32 -3.21 22.62
SNOWFALL (IN)
TODAY 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
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 15 13 2 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 16 11 5 9
MONTH TO DATE 118 164 -46 212
SINCE JUN 1 916 780 136 1065
SINCE JAN 1 1034 886 148 1248
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 59 12:00 PM
AVERAGE 80
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 102 1988
MINIMUM TEMPERATURE (F) 66 45 1964
SUNRISE AND SUNSET
AUGUST 14 2025........SUNRISE 6:23 AM EDT SUNSET 8:05 PM EDT
AUGUST 15 2025........SUNRISE 6:24 AM EDT SUNSET 8:04 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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