958
CDUS43 KLOT 012134
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT WED OCT 01 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 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 79 2:20 PM 87 2019 70 9 70
MINIMUM 60 6:22 AM 31 2003 48 12 50
AVERAGE 70 58 12 60
PRECIPITATION (IN)
TODAY 0.00 1.29 2018 0.11 -0.11 0.00
MONTH TO DATE 0.00 0.11 -0.11 0.00
SINCE SEP 1 0.64 3.11 -2.47 1.42
SINCE JAN 1 21.17 26.48 -5.31 25.74
DEGREE DAYS
HEATING
TODAY 0 8 -8 5
MONTH TO DATE 0 8 -8 5
SINCE SEP 1 47 108 -61 38
SINCE JUL 1 58 119 -61 47
COOLING
TODAY 5 1 4 0
MONTH TO DATE 5 1 4 0
SINCE SEP 1 132 89 43 110
SINCE JAN 1 1040 813 227 908
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 45 1:00 PM
AVERAGE 68
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 83 2005
2017
2023
MINIMUM TEMPERATURE (F) 47 27 2003
SUNRISE AND SUNSET
OCTOBER 1 2025.......SUNRISE 6:50 AM CDT SUNSET 6:34 PM CDT
OCTOBER 2 2025.......SUNRISE 6:51 AM CDT SUNSET 6:32 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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