941
CDUS41 KLWX 252125
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT THU SEP 25 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 25 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 82 3:59 PM 93 2010 76 6 73
MINIMUM 71 8:28 AM 33 1983 54 17 64
AVERAGE 77 65 12 69
PRECIPITATION (IN)
TODAY 0.16 2.67 1975 0.13 0.03 0.06
MONTH TO DATE 1.22 3.24 -2.02 1.11
SINCE SEP 1 1.22 3.24 -2.02 1.11
SINCE JAN 1 25.86 32.46 -6.60 26.89
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 3 -3 0
MONTH TO DATE 7 25 -18 12
SINCE SEP 1 7 25 -18 12
SINCE JUL 1 9 26 -17 14
COOLING
TODAY 12 3 9 4
MONTH TO DATE 136 140 -4 101
SINCE SEP 1 136 140 -4 101
SINCE JAN 1 1284 1196 88 1515
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 67 4:00 PM
AVERAGE 82
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 2007
MINIMUM TEMPERATURE (F) 54 38 1964
1983
SUNRISE AND SUNSET
SEPTEMBER 25 2025.....SUNRISE 7:00 AM EDT SUNSET 7:01 PM EDT
SEPTEMBER 26 2025.....SUNRISE 7:01 AM EDT SUNSET 7:00 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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