598
CDUS43 KLOT 310657
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
157 AM CDT FRI OCT 31 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 30 2025...
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)
YESTERDAY
MAXIMUM 58 1:59 PM 79 2024 56 2 79
MINIMUM 38 6:23 AM 25 2023 37 1 66
AVERAGE 48 46 2 73
PRECIPITATION (IN)
YESTERDAY 0.00 0.76 2009 0.07 -0.07 0.00
MONTH TO DATE 3.02 2.91 0.11 0.96
SINCE SEP 1 3.66 5.91 -2.25 2.38
SINCE JAN 1 24.19 29.28 -5.09 26.70
DEGREE DAYS
HEATING
YESTERDAY 17 19 -2 0
MONTH TO DATE 272 388 -116 257
SINCE SEP 1 319 488 -169 290
SINCE JUL 1 330 499 -169 299
COOLING
YESTERDAY 0 0 0 8
MONTH TO DATE 49 9 40 19
SINCE SEP 1 176 97 79 129
SINCE JAN 1 1084 821 263 927
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 7.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 43 4:00 PM
AVERAGE 68
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 71 2024
MINIMUM TEMPERATURE (F) 37 22 2023
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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