Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 032125
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT WED SEP 03 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 3 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 83 3:25 PM 99 2023 84 -1 75
MINIMUM 51 6:06 AM 45 1967 62 -11 53
AVERAGE 67 73 -6 64
PRECIPITATION (IN)
TODAY 0.00 1.47 1969 0.13 -0.13 0.00
MONTH TO DATE 0.00 0.37 -0.37 0.00
SINCE SEP 1 0.00 0.37 -0.37 0.00
SINCE JAN 1 24.64 29.59 -4.95 25.78
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 SEP 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 1
MONTH TO DATE 0 0 0 1
SINCE SEP 1 0 0 0 1
SINCE JUL 1 2 1 1 3
COOLING
TODAY 2 8 -6 0
MONTH TO DATE 3 24 -21 15
SINCE SEP 1 3 24 -21 15
SINCE JAN 1 1151 1080 71 1429
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 3.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 34 3:00 PM
AVERAGE 67
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 99 2023
MINIMUM TEMPERATURE (F) 62 48 1997
SUNRISE AND SUNSET
SEPTEMBER 3 2025.....SUNRISE 6:41 AM EDT SUNSET 7:37 PM EDT
SEPTEMBER 4 2025.....SUNRISE 6:42 AM EDT SUNSET 7:35 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$