597  
CDUS43 KLOT 010648  
CLIUGN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
148 AM CDT THU OCT 01 2026  
   
...............................
 
 
   
..THE WAUKEGAN IL CLIMATE SUMMARY FOR SEPTEMBER 30 2026
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 2000 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 12:35 AM 85 2019 67 1 81  
MINIMUM 59 7:17 AM 35 2004 48 11 59  
AVERAGE 64 58 6 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.44R 0.26 2018 0.12 0.32 0.00  
MONTH TO DATE 4.75 3.57 1.18 1.89  
SINCE SEP 1 4.75 3.57 1.18 1.89  
SINCE JAN 1 35.64 27.93 7.71 21.52  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 8 -7 0  
MONTH TO DATE 66 120 -54 36  
SINCE SEP 1 66 120 -54 36  
SINCE JUL 1 72 145 -73 52  
 
COOLING  
YESTERDAY 0 1 -1 5  
MONTH TO DATE 112 71 41 112  
SINCE SEP 1 112 71 41 112  
SINCE JAN 1 694 618 76 885    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 8.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 55 12:00 AM  
AVERAGE 78  
   
......................................................
 
 
THE WAUKEGAN IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 82 2000  
2023  
MINIMUM TEMPERATURE (F) 48 32 2003  
 
SUNRISE AND SUNSET  
OCTOBER 1 2026.......SUNRISE 6:49 AM CDT SUNSET 6:33 PM CDT  
OCTOBER 2 2026.......SUNRISE 6:50 AM CDT SUNSET 6:31 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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