599
CDUS41 KLWX 312123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT FRI OCT 31 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 31 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 61 1:38 PM 83 2024 62 -1 83
MINIMUM 48 12:48 AM 21 1968 40 8 56
AVERAGE 55 51 4 70
PRECIPITATION (IN)
TODAY 0.00 1.35 2019 0.11 -0.11 0.00
MONTH TO DATE 2.13 3.65 -1.52 0.13
SINCE SEP 1 3.35 7.59 -4.24 3.40
SINCE JAN 1 27.99 36.81 -8.82 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 10 14 -4 0
MONTH TO DATE 251 283 -32 224
SINCE SEP 1 258 328 -70 236
SINCE JUL 1 260 329 -69 238
COOLING
TODAY 0 0 0 5
MONTH TO DATE 12 22 -10 19
SINCE SEP 1 182 174 8 156
SINCE JAN 1 1330 1230 100 1570
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 18.5
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 1:00 AM
LOWEST 32 3:00 PM
AVERAGE 53
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 84 1982
MINIMUM TEMPERATURE (F) 40 25 1975
SUNRISE AND SUNSET
OCTOBER 31 2025.......SUNRISE 7:36 AM EDT SUNSET 6:10 PM EDT
NOVEMBER 1 2025......SUNRISE 7:37 AM EDT SUNSET 6:09 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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