931
CDUS41 KLWX 012123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT WED OCT 01 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 1 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 76 2:58 PM 90 1986 73 3 68
MINIMUM 61 6:48 AM 31 1993 52 9 62
AVERAGE 69 62 7 65
PRECIPITATION (IN)
TODAY 0.00 4.06 1979 0.13 -0.13 0.04
MONTH TO DATE 0.00 0.13 -0.13 0.04
SINCE SEP 1 1.22 4.07 -2.85 3.31
SINCE JAN 1 25.86 33.29 -7.43 29.09
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 4 -4 0
MONTH TO DATE 0 4 -4 0
SINCE SEP 1 7 49 -42 12
SINCE JUL 1 9 50 -41 14
COOLING
TODAY 4 2 2 0
MONTH TO DATE 4 2 2 0
SINCE SEP 1 174 154 20 137
SINCE JAN 1 1322 1210 112 1551
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 3:00 AM
LOWEST 32 3:00 PM
AVERAGE 49
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 96 2019
MINIMUM TEMPERATURE (F) 51 32 1997
1998
SUNRISE AND SUNSET
OCTOBER 1 2025.......SUNRISE 7:06 AM EDT SUNSET 6:52 PM EDT
OCTOBER 2 2025.......SUNRISE 7:07 AM EDT SUNSET 6:50 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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