749  
CDUS43 KLOT 272133  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT WED AUG 27 2025  
   
...............................  
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 27 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1996 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 12:50 PM 98 2024 81 -3 98  
MINIMUM 51 4:58 AM 50 2015 63 -12 73  
AVERAGE 65 72 -7 86  
 
PRECIPITATION (IN)  
TODAY 0.00 1.91 2009 0.12 -0.12 0.60  
MONTH TO DATE 3.16 3.19 -0.03 1.42  
SINCE JUN 1 9.90 10.31 -0.41 11.69  
SINCE JAN 1 17.67 21.83 -4.16 25.98  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 3 0 3 2  
SINCE JUN 1 24 40 -16 16  
SINCE JUL 1 3 3 0 5  
 
COOLING  
TODAY 0 7 -7 21  
MONTH TO DATE 268 237 31 239  
SINCE JUN 1 900 728 172 791  
SINCE JAN 1 921 788 133 828    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 4:00 AM  
LOWEST 37 12:00 PM  
AVERAGE 63  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 94 2020  
2021  
MINIMUM TEMPERATURE (F) 63 54 2015  
 
SUNRISE AND SUNSET  
AUGUST 27 2025........SUNRISE 6:12 AM CDT SUNSET 7:33 PM CDT  
AUGUST 28 2025........SUNRISE 6:13 AM CDT SUNSET 7:31 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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