227
CDUS41 KLWX 020623
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
223 AM EDT THU OCT 02 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 1 2025
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)
YESTERDAY
MAXIMUM 76 2:58 PM 90 1986 73 3 68
MINIMUM 48 11:59 PM 31 1993 52 -4 62
AVERAGE 62 62 0 65
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 3 4 -1 0
MONTH TO DATE 3 4 -1 0
SINCE SEP 1 10 49 -39 12
SINCE JUL 1 12 50 -38 14
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 2 -2 0
SINCE SEP 1 170 154 16 137
SINCE JAN 1 1318 1210 108 1551
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 11:00 PM
LOWEST 31 5:00 PM
AVERAGE 53
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 96 2019
MINIMUM TEMPERATURE (F) 51 32 1997
1998
SUNRISE AND SUNSET
OCTOBER 2 2025.......SUNRISE 7:07 AM EDT SUNSET 6:50 PM EDT
OCTOBER 3 2025.......SUNRISE 7:08 AM EDT SUNSET 6:49 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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