189
CDUS41 KLWX 222123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT WED OCT 22 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 22 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 68 1:57 PM 85 1979 66 2 82
MINIMUM 45 7:01 AM 26 1974 43 2 45
AVERAGE 57 54 3 64
PRECIPITATION (IN)
TODAY 0.02 0.90 1985 0.12 -0.10 0.00
MONTH TO DATE 0.97 2.64 -1.67 0.13
SINCE SEP 1 2.19 6.58 -4.39 3.40
SINCE JAN 1 26.83 35.80 -8.97 29.18
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 8 11 -3 1
MONTH TO DATE 120 169 -49 137
SINCE SEP 1 127 214 -87 149
SINCE JUL 1 129 215 -86 151
COOLING
TODAY 0 0 0 0
MONTH TO DATE 12 19 -7 14
SINCE SEP 1 182 171 11 151
SINCE JAN 1 1330 1227 103 1565
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 28 2:00 PM
AVERAGE 64
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 85 1978
MINIMUM TEMPERATURE (F) 43 21 1969
SUNRISE AND SUNSET
OCTOBER 22 2025.......SUNRISE 7:27 AM EDT SUNSET 6:21 PM EDT
OCTOBER 23 2025.......SUNRISE 7:28 AM EDT SUNSET 6:20 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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