Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 112133
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
533 PM EDT SAT OCT 11 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 11 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 73 1:32 PM 86 2010 70 3 70
MINIMUM 43 3:14 AM 28 1972 47 -4 39
AVERAGE 58 58 0 55
PRECIPITATION (IN)
TODAY 0.00 3.38 2013 0.12 -0.12 0.00
MONTH TO DATE 0.16 1.36 -1.20 0.13
SINCE SEP 1 1.38 5.30 -3.92 3.40
SINCE JAN 1 26.02 34.52 -8.50 29.18
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 7 8 -1 10
MONTH TO DATE 45 66 -21 39
SINCE SEP 1 52 111 -59 51
SINCE JUL 1 54 112 -58 53
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 12 16 -4 14
SINCE SEP 1 182 168 14 151
SINCE JAN 1 1330 1224 106 1565
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 57 2:00 PM
AVERAGE 77
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 83 1995
2010
MINIMUM TEMPERATURE (F) 47 25 1964
SUNRISE AND SUNSET
OCTOBER 11 2025.......SUNRISE 7:16 AM EDT SUNSET 6:37 PM EDT
OCTOBER 12 2025.......SUNRISE 7:17 AM EDT SUNSET 6:35 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$