Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 142126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
526 PM EDT MON JUL 14 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 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 89 2:22 PM 98 1993 88 1 98
2024
MINIMUM 74 5:42 AM 53 2009 67 7 74
AVERAGE 82 77 5 86
PRECIPITATION (IN)
TODAY T 1.56 2002 0.14 -0.14 0.00
MONTH TO DATE 1.19 1.90 -0.71 1.74
SINCE JUN 1 8.12 6.20 1.92 2.43
SINCE JAN 1 22.04 23.44 -1.40 19.73
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 17 12 5 21
MONTH TO DATE 205 166 39 236
SINCE JUN 1 526 404 122 590
SINCE JAN 1 644 510 134 773
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 67 3:00 PM
AVERAGE 82
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 2024
MINIMUM TEMPERATURE (F) 67 53 1981
1987
SUNRISE AND SUNSET
JULY 14 2025..........SUNRISE 5:56 AM EDT SUNSET 8:35 PM EDT
JULY 15 2025..........SUNRISE 5:57 AM EDT SUNSET 8:34 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$