262
CDUS41 KLWX 252124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT FRI SEP 25 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 25 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 74 2:55 PM 93 2010 76 -2 82
MINIMUM 52 12:34 AM 33 1983 54 -2 70
AVERAGE 63 65 -2 76
PRECIPITATION (IN)
TODAY 0.00 2.67 1975 0.13 -0.13 0.16
MONTH TO DATE 3.61 3.24 0.37 1.22
SINCE SEP 1 3.61 3.24 0.37 1.22
SINCE JAN 1 33.01 32.46 0.55 25.86
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 2 3 -1 0
MONTH TO DATE 19 25 -6 7
SINCE SEP 1 19 25 -6 7
SINCE JUL 1 19 26 -7 9
COOLING
TODAY 0 3 -3 11
MONTH TO DATE 191 140 51 135
SINCE SEP 1 191 140 51 135
SINCE JAN 1 1471 1196 275 1283
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 12.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 12:00 AM
LOWEST 27 2:00 PM
AVERAGE 52
......................................................
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 2026.....SUNRISE 7:00 AM EDT SUNSET 7:02 PM EDT
SEPTEMBER 26 2026.....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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