258  
CDUS43 KLOT 202141  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
441 PM CDT SUN JUL 20 2025  
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR JULY 20 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 76 12:29 AM 100 2011 84 -8 80  
MINIMUM 68 9:12 AM 53 2009 66 2 63  
AVERAGE 72 75 -3 72  
 
PRECIPITATION (IN)  
TODAY 0.03 1.25 2017 0.10 -0.07 0.00  
MONTH TO DATE 2.83 2.05 0.78 4.87  
SINCE JUN 1 6.13 6.02 0.11 9.45  
SINCE JAN 1 13.90 17.54 -3.64 23.74  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE JUN 1 21 37 -16 14  
SINCE JUL 1 0 0 0 3  
 
COOLING  
TODAY 7 10 -3 7  
MONTH TO DATE 219 196 23 191  
SINCE JUN 1 483 377 106 448  
SINCE JAN 1 504 437 67 485    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 76 1:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 2011  
MINIMUM TEMPERATURE (F) 66 56 1996  
2007  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 5:34 AM CDT SUNSET 8:22 PM CDT  
JULY 21 2025..........SUNRISE 5:35 AM CDT SUNSET 8:21 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