822
CDUS41 KLWX 242123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT WED SEP 24 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 24 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 79 12:55 PM 97 2010 76 3 66
MINIMUM 63 5:16 AM 30 1974 55 8 61
AVERAGE 71 65 6 64
PRECIPITATION (IN)
TODAY T 2.17 2001 0.13 -0.13 0.22
MONTH TO DATE 1.06 3.11 -2.05 1.05
SINCE SEP 1 1.06 3.11 -2.05 1.05
SINCE JAN 1 25.70 32.33 -6.63 26.83
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 2 -2 1
MONTH TO DATE 7 22 -15 12
SINCE SEP 1 7 22 -15 12
SINCE JUL 1 9 23 -14 14
COOLING
TODAY 6 3 3 0
MONTH TO DATE 124 137 -13 97
SINCE SEP 1 124 137 -13 97
SINCE JAN 1 1272 1193 79 1511
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 3.5
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 69 11:00 AM
AVERAGE 85
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 2010
MINIMUM TEMPERATURE (F) 54 33 1983
SUNRISE AND SUNSET
SEPTEMBER 24 2025.....SUNRISE 7:00 AM EDT SUNSET 7:03 PM EDT
SEPTEMBER 25 2025.....SUNRISE 7:00 AM EDT SUNSET 7:01 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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