330  
CDUS43 KLOT 152132  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT WED JUL 15 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 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 TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 92 1:32 PM 94 2006 84 8 90  
MINIMUM 71 4:33 AM 53 2014 64 7 65  
AVERAGE 82 74 8 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.40 2021 0.12 -0.12 0.00  
MONTH TO DATE 3.93 1.69 2.24 3.85  
SINCE JUN 1 10.56 5.34 5.22 6.50  
SINCE JAN 1 23.44 17.60 5.84 14.56  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 24 33 -9 18  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 17 9 8 13  
MONTH TO DATE 181 131 50 181  
SINCE JUN 1 335 306 29 448  
SINCE JAN 1 394 362 32 481    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 3.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 54 3:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 96 2012  
MINIMUM TEMPERATURE (F) 64 51 2014  
 
SUNRISE AND SUNSET  
JULY 15 2026..........SUNRISE 5:31 AM CDT SUNSET 8:27 PM CDT  
JULY 16 2026..........SUNRISE 5:32 AM CDT SUNSET 8:26 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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