039
CDUS43 KLOT 252135
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT FRI SEP 25 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
VALUE VALUE VALUE FROM YEAR
NORMAL
........................................................
TEMPERATURE (F)
TODAY
MAXIMUM 66 92 2017 72 -6 79
MINIMUM 59 38 2001 50 9 54
AVERAGE 63 61 2 67
PRECIPITATION (IN)
TODAY T 0.23 2018 0.10 -0.10 0.00
MONTH TO DATE 3.71 2.52 1.19 0.64
SINCE SEP 1 3.71 2.52 1.19 0.64
SINCE JAN 1 32.85 25.89 6.96 21.17
DEGREE DAYS
HEATING
TODAY 2 6 -4 0
MONTH TO DATE 26 68 -42 47
SINCE SEP 1 26 68 -42 47
SINCE JUL 1 27 79 -52 58
COOLING
TODAY 0 2 -2 2
MONTH TO DATE 149 82 67 97
SINCE SEP 1 149 82 67 97
SINCE JAN 1 830 806 24 1005
........................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 7:00 AM
LOWEST 63 3:00 PM
AVERAGE 78
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 2017
MINIMUM TEMPERATURE (F) 50 38 2000
SUNRISE AND SUNSET
SEPTEMBER 25 2026.....SUNRISE 6:44 AM CDT SUNSET 6:45 PM CDT
SEPTEMBER 26 2026.....SUNRISE 6:45 AM CDT SUNSET 6:43 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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