458
CDUS43 KLOT 312132
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT FRI OCT 31 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 31 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 52 2:44 PM 71 2024 55 -3 71
MINIMUM 39 6:45 AM 22 2023 37 2 42
AVERAGE 46 46 0 57
PRECIPITATION (IN)
TODAY 0.00 0.88 2013 0.08 -0.08 0.06
MONTH TO DATE 3.02 2.99 0.03 1.02
SINCE SEP 1 3.66 5.99 -2.33 2.44
SINCE JAN 1 24.19 29.36 -5.17 26.76
DEGREE DAYS
HEATING
TODAY 19 19 0 8
MONTH TO DATE 291 407 -116 265
SINCE SEP 1 338 507 -169 298
SINCE JUL 1 349 518 -169 307
COOLING
TODAY 0 0 0 0
MONTH TO DATE 49 11 38 19
SINCE SEP 1 176 99 77 129
SINCE JAN 1 1084 823 261 927
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 9.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 6:00 AM
LOWEST 58 2:00 PM
AVERAGE 72
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 76 2016
MINIMUM TEMPERATURE (F) 36 20 2019
SUNRISE AND SUNSET
OCTOBER 31 2025.......SUNRISE 7:25 AM CDT SUNSET 5:48 PM CDT
NOVEMBER 1 2025......SUNRISE 7:26 AM CDT SUNSET 5:47 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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