Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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792
CDUS41 KLWX 122123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT SUN OCT 12 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 12 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 67 1:03 PM 83 1995 69 -2 81
2010
MINIMUM 61 7:54 AM 25 1964 47 14 43
AVERAGE 64 58 6 62
PRECIPITATION (IN)
TODAY 0.11 0.78 1990 0.11 0.00 0.00
MONTH TO DATE 0.27 1.47 -1.20 0.13
SINCE SEP 1 1.49 5.41 -3.92 3.40
SINCE JAN 1 26.13 34.63 -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 1 8 -7 3
MONTH TO DATE 46 74 -28 42
SINCE SEP 1 53 119 -66 54
SINCE JUL 1 55 120 -65 56
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 12 17 -5 14
SINCE SEP 1 182 169 13 151
SINCE JAN 1 1330 1225 105 1565
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 13.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 63 3:00 PM
AVERAGE 80
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 84 1989
MINIMUM TEMPERATURE (F) 46 30 1987
1988
2012
SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE 7:17 AM EDT SUNSET 6:35 PM EDT
OCTOBER 13 2025.......SUNRISE 7:18 AM EDT SUNSET 6:34 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$