551
CDUS43 KLOT 152136
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT TUE SEP 15 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 82 89 2024 76 6 86
MINIMUM 63 36 2007 54 9 56
AVERAGE 73 65 8 71
PRECIPITATION (IN)
TODAY 0.15 0.59 2013 0.10 0.05 0.00
MONTH TO DATE 0.16 1.49 -1.33 0.34
SINCE SEP 1 0.16 1.49 -1.33 0.34
SINCE JAN 1 29.30 24.86 4.44 20.87
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 10 25 -15 47
SINCE SEP 1 10 25 -15 47
SINCE JUL 1 11 36 -25 58
COOLING
TODAY 8 3 5 6
MONTH TO DATE 135 60 75 38
SINCE SEP 1 135 60 75 38
SINCE JAN 1 816 784 32 946
........................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 9:00 AM
LOWEST 59 12:00 AM
AVERAGE 76
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 89 2018
2024
MINIMUM TEMPERATURE (F) 54 39 2000
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 6:33 AM CDT SUNSET 7:02 PM CDT
SEPTEMBER 16 2026.....SUNRISE 6:34 AM CDT SUNSET 7:01 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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