026
CDUS41 KLWX 062129
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
529 PM EDT SAT SEP 06 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 6 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 94 12:44 PM 100 2023 83 11 80
MINIMUM 70 5:20 AM 45 1972 61 9 57
1976
AVERAGE 82 72 10 69
PRECIPITATION (IN)
TODAY T 5.11 2008 0.12 -0.12 0.00
MONTH TO DATE T 0.73 -0.73 0.00
SINCE SEP 1 T 0.73 -0.73 0.00
SINCE JAN 1 24.64 29.95 -5.31 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 0
MONTH TO DATE 0 0 0 2
SINCE SEP 1 0 0 0 2
SINCE JUL 1 2 1 1 4
COOLING
TODAY 17 7 10 4
MONTH TO DATE 41 47 -6 19
SINCE SEP 1 41 47 -6 19
SINCE JAN 1 1189 1103 86 1433
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 4:00 AM
LOWEST 37 1:00 PM
AVERAGE 64
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 97 2023
MINIMUM TEMPERATURE (F) 61 41 1976
SUNRISE AND SUNSET
SEPTEMBER 6 2025.....SUNRISE 6:43 AM EDT SUNSET 7:32 PM EDT
SEPTEMBER 7 2025.....SUNRISE 6:44 AM EDT SUNSET 7:30 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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