516  
CDUS43 KLOT 310633  
CLIUGN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT SUN AUG 31 2025  
   
...............................
 
 
   
..THE WAUKEGAN IL CLIMATE SUMMARY FOR AUGUST 30 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 2000 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 2:09 PM 96 2013 78 -5 80  
MINIMUM 50 11:39 PM 47 2009 59 -9 65  
AVERAGE 62 69 -7 73  
 
PRECIPITATION (IN)  
YESTERDAY T 0.49 2024 0.13 -0.13 0.49  
MONTH TO DATE 1.40 3.46 -2.06 2.50  
SINCE JUN 1 11.20 11.39 -0.19 14.78  
SINCE JAN 1 19.63 24.23 -4.60 33.53  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 1 2 0  
MONTH TO DATE 9 6 3 9  
SINCE JUN 1 48 92 -44 44  
SINCE JUL 1 12 19 -7 15  
 
COOLING  
YESTERDAY 0 5 -5 8  
MONTH TO DATE 229 180 49 225  
SINCE JUN 1 764 511 253 648  
SINCE JAN 1 773 543 230 663    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 4.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 9:00 PM  
LOWEST 51 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE WAUKEGAN IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 2012  
MINIMUM TEMPERATURE (F) 59 46 2009  
 
SUNRISE AND SUNSET  
AUGUST 31 2025........SUNRISE 6:16 AM CDT SUNSET 7:27 PM CDT  
SEPTEMBER 1 2025.....SUNRISE 6:17 AM CDT SUNSET 7:25 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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