505  
CDUS43 KLOT 042136  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT SAT JUL 04 2026  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 4 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 84 12:57 PM 98 2012 84 0 90  
MINIMUM 69 4:58 AM 50 2008 63 6 72  
AVERAGE 77 73 4 81  
 
PRECIPITATION (IN)  
TODAY 0.36 0.45 2022 0.11 0.25 0.45  
2025  
MONTH TO DATE 3.62 0.41 3.21 0.45  
SINCE JUN 1 10.25 4.06 6.19 3.10  
SINCE JAN 1 23.13 16.32 6.81 11.16  
 
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 12 8 4 16  
MONTH TO DATE 63 32 31 56  
SINCE JUN 1 217 207 10 323  
SINCE JAN 1 276 263 13 356    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 61 1:00 PM  
AVERAGE 81  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 2012  
MINIMUM TEMPERATURE (F) 63 50 1997  
2008  
 
SUNRISE AND SUNSET  
JULY 4 2026..........SUNRISE 5:23 AM CDT SUNSET 8:31 PM CDT  
JULY 5 2026..........SUNRISE 5:24 AM CDT SUNSET 8:31 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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