277  
CDUS43 KLOT 022134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT FRI OCT 02 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 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 65 85 2025 69 -4 85  
MINIMUM 52 27 2003 47 5 56  
AVERAGE 59 58 1 71  
 
PRECIPITATION (IN)  
TODAY 0.00 1.23 2019 0.11 -0.11 0.00  
MONTH TO DATE 1.39 0.22 1.17 0.00  
SINCE SEP 1 6.13 3.22 2.91 0.64  
SINCE JAN 1 35.27 26.59 8.68 21.17  
 
DEGREE DAYS  
HEATING  
TODAY 6 8 -2 0  
MONTH TO DATE 6 16 -10 0  
SINCE SEP 1 59 116 -57 47  
SINCE JUL 1 60 127 -67 58  
 
COOLING  
TODAY 0 1 -1 6  
MONTH TO DATE 0 2 -2 11  
SINCE SEP 1 149 90 59 138  
SINCE JAN 1 830 814 16 1046    
........................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 45 1:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 89 2025  
MINIMUM TEMPERATURE (F) 47 31 2004  
 
SUNRISE AND SUNSET  
OCTOBER 2 2026.......SUNRISE 6:51 AM CDT SUNSET 6:33 PM CDT  
OCTOBER 3 2026.......SUNRISE 6:52 AM CDT SUNSET 6:31 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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