887  
CDUS43 KLOT 152132  
CLIUGN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT MON SEP 15 2025  
   
...............................  
 
   
..THE WAUKEGAN IL CLIMATE SUMMARY FOR SEPTEMBER 15 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 2:50 PM 86 2004 74 5 82  
MINIMUM 65 5:34 AM 37 2007 54 11 63  
AVERAGE 72 64 8 73  
 
PRECIPITATION (IN)  
TODAY 0.00 0.79 2013 0.12 -0.12 0.00  
MONTH TO DATE 1.60 1.74 -0.14 T  
SINCE SEP 1 1.60 1.74 -0.14 T  
SINCE JAN 1 21.23 26.10 -4.87 33.53  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 36 33 3 24  
SINCE SEP 1 36 33 3 24  
SINCE JUL 1 52 58 -6 39  
 
COOLING  
TODAY 7 2 5 8  
MONTH TO DATE 30 50 -20 47  
SINCE SEP 1 30 50 -20 47  
SINCE JAN 1 803 597 206 718    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 5:00 AM  
LOWEST 56 2:00 PM  
AVERAGE 70  
   
......................................................  
 
THE WAUKEGAN IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 84 2016  
MINIMUM TEMPERATURE (F) 54 41 2007  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2025.....SUNRISE 6:32 AM CDT SUNSET 7:01 PM CDT  
SEPTEMBER 16 2025.....SUNRISE 6:33 AM CDT SUNSET 6:59 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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