292  
CDUS43 KLOT 012141  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
441 PM CDT THU OCT 01 2026  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 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 70 87 2019 70 0 79  
MINIMUM 63 31 2003 48 15 60  
AVERAGE 67 58 9 70  
 
PRECIPITATION (IN)  
TODAY 0.31 1.29 2018 0.11 0.20 0.00  
MONTH TO DATE 0.31 0.11 0.20 0.00  
SINCE SEP 1 5.05 3.11 1.94 0.64  
SINCE JAN 1 34.19 26.48 7.71 21.17  
 
DEGREE DAYS  
HEATING  
TODAY 0 8 -8 0  
MONTH TO DATE 0 8 -8 0  
SINCE SEP 1 53 108 -55 47  
SINCE JUL 1 54 119 -65 58  
 
COOLING  
TODAY 2 1 1 5  
MONTH TO DATE 2 1 1 5  
SINCE SEP 1 151 89 62 132  
SINCE JAN 1 832 813 19 1040    
........................................................  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 90 9:00 AM  
AVERAGE 95  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 85 2025  
MINIMUM TEMPERATURE (F) 47 27 2003  
 
SUNRISE AND SUNSET  
OCTOBER 1 2026.......SUNRISE 6:50 AM CDT SUNSET 6:34 PM CDT  
OCTOBER 2 2026.......SUNRISE 6:51 AM CDT SUNSET 6:33 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
The Nexlab IN Page
Main Text Page