804  
CDUS43 KLOT 170633  
CLIUGN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT SUN AUG 17 2025  
   
...............................
 
 
   
..THE WAUKEGAN IL CLIMATE SUMMARY FOR AUGUST 16 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 94R 12:47 PM 91 2003 80 14 87  
MINIMUM 72 11:53 PM 50 2004 61 11 69  
AVERAGE 83 71 12 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.30 1.14 2018 0.12 0.18 0.12  
MONTH TO DATE 0.85 1.85 -1.00 1.91  
SINCE JUN 1 10.65 9.78 0.87 14.19  
SINCE JAN 1 19.08 22.62 -3.54 32.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 39 86 -47 35  
SINCE JUL 1 3 13 -10 6  
 
COOLING  
YESTERDAY 18 6 12 13  
MONTH TO DATE 168 104 64 112  
SINCE JUN 1 703 435 268 535  
SINCE JAN 1 712 467 245 550    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 5.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 10:00 PM  
LOWEST 47 12:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE WAUKEGAN IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 87 2002  
2016  
MINIMUM TEMPERATURE (F) 61 52 2013  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 6:01 AM CDT SUNSET 7:49 PM CDT  
AUGUST 18 2025........SUNRISE 6:02 AM CDT SUNSET 7:48 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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