Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 172121
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
521 PM EDT TUE JUN 17 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 17 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 81 1:58 PM 96 2022 84 -3 91
MINIMUM 66 4:25 AM 46 1980 63 3 68
AVERAGE 74 73 1 80
PRECIPITATION (IN)
TODAY 0.06 1.01 1979 0.15 -0.09 0.00
MONTH TO DATE 5.18 2.50 2.68 0.28
SINCE JUN 1 5.18 2.50 2.68 0.28
SINCE JAN 1 19.10 19.74 -0.64 17.58
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 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 15 11 4 0
SINCE JUN 1 15 11 4 0
SINCE JUL 1 4106 4603 -497 3691
COOLING
TODAY 9 8 1 15
MONTH TO DATE 119 109 10 140
SINCE JUN 1 119 109 10 140
SINCE JAN 1 237 215 22 323
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 76 2:00 PM
AVERAGE 88
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 94 2006
2007
2018
MINIMUM TEMPERATURE (F) 63 45 1965
SUNRISE AND SUNSET
JUNE 17 2025..........SUNRISE 5:44 AM EDT SUNSET 8:38 PM EDT
JUNE 18 2025..........SUNRISE 5:44 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.
$$