265  
CDUS43 KLOT 182138  
CLIUGN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT MON AUG 18 2025  
   
...............................  
 
   
..THE WAUKEGAN IL CLIMATE SUMMARY FOR AUGUST 18 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 82 2:04 PM 87 2016 80 2 78  
MINIMUM 73 1:26 AM 51 2012 61 12 67  
AVERAGE 78 71 7 73  
 
PRECIPITATION (IN)  
TODAY 0.04 1.53 2001 0.11 -0.07 T  
MONTH TO DATE 0.96 2.08 -1.12 2.01  
SINCE JUN 1 10.76 10.01 0.75 14.29  
SINCE JAN 1 19.19 22.85 -3.66 33.04  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 13 6 7 8  
MONTH TO DATE 192 116 76 131  
SINCE JUN 1 727 447 280 554  
SINCE JAN 1 736 479 257 569    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 11.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 3:00 PM  
LOWEST 67 11:00 AM  
AVERAGE 78  
   
......................................................  
 
THE WAUKEGAN IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 86 2016  
2022  
MINIMUM TEMPERATURE (F) 61 51 2004  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 6:02 AM CDT SUNSET 7:48 PM CDT  
AUGUST 19 2025........SUNRISE 6:03 AM CDT SUNSET 7:46 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
The Nexlab IN Page
Main Text Page