273  
CDUS43 KLOT 132139  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CDT THU AUG 13 2026  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 13 2026...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1996 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 77 11:03 AM 92 2010 83 -6 86  
MINIMUM 67 3:51 AM 54 2004 65 2 68  
AVERAGE 72 74 -2 77  
 
PRECIPITATION (IN)  
TODAY 0.06 0.84 2011 0.13 -0.07 0.00  
MONTH TO DATE 3.15 1.46 1.69 0.93  
SINCE JUN 1 11.58 8.58 3.00 7.67  
SINCE JAN 1 25.51 20.10 5.41 15.44  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 27 40 -13 21  
SINCE JUL 1 0 3 -3 0  
 
COOLING  
TODAY 7 9 -2 12  
MONTH TO DATE 114 125 -11 158  
SINCE JUN 1 602 616 -14 790  
SINCE JAN 1 657 676 -19 811    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 2.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 79 10:00 AM  
AVERAGE 90  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 91 2015  
MINIMUM TEMPERATURE (F) 65 52 2004  
 
SUNRISE AND SUNSET  
AUGUST 13 2026........SUNRISE 5:57 AM CDT SUNSET 7:55 PM CDT  
AUGUST 14 2026........SUNRISE 5:58 AM CDT SUNSET 7:53 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