079  
CDUS43 KLOT 160638  
CLIUGN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT SAT AUG 16 2025  
   
...............................
 
 
   
..THE WAUKEGAN IL CLIMATE SUMMARY FOR AUGUST 15 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 87 1:50 PM 90 2000 80 7 75  
MINIMUM 65 4:37 AM 45 2004 62 3 68  
AVERAGE 76 71 5 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.29 2001 0.12 -0.12 0.26  
MONTH TO DATE 0.55 1.73 -1.18 1.79  
SINCE JUN 1 10.35 9.66 0.69 14.07  
SINCE JAN 1 18.78 22.50 -3.72 32.82  
 
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 11 6 5 7  
MONTH TO DATE 150 98 52 99  
SINCE JUN 1 685 429 256 522  
SINCE JAN 1 694 461 233 537    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 4.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 11:00 PM  
LOWEST 55 9:00 AM  
AVERAGE 73  
   
......................................................
 
 
THE WAUKEGAN IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 91 2003  
MINIMUM TEMPERATURE (F) 61 50 2004  
 
SUNRISE AND SUNSET  
AUGUST 16 2025........SUNRISE 6:00 AM CDT SUNSET 7:51 PM CDT  
AUGUST 17 2025........SUNRISE 6:01 AM CDT SUNSET 7:49 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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