565  
CDUS43 KLOT 082142  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
442 PM CDT WED OCT 08 2025  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 8 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 64 1:14 PM 88 1997 66 -2 74  
MINIMUM 48 6:23 AM 27 1987 48 0 50  
AVERAGE 56 57 -1 62  
 
PRECIPITATION (IN)  
TODAY 0.00 1.26 1884 0.11 -0.11 0.00  
MONTH TO DATE 1.35 0.89 0.46 0.01  
SINCE SEP 1 1.84 4.08 -2.24 1.33  
SINCE JAN 1 24.29 30.79 -6.50 28.19  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 9 9 0 3  
MONTH TO DATE 14 60 -46 18  
SINCE SEP 1 46 137 -91 33  
SINCE JUL 1 51 143 -92 33  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 55 8 47 9  
SINCE SEP 1 221 124 97 199  
SINCE JAN 1 1213 996 217 1185    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 5:00 AM  
LOWEST 53 12:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 86 1949  
2010  
MINIMUM TEMPERATURE (F) 48 30 2000  
 
SUNRISE AND SUNSET  
OCTOBER 8 2025.......SUNRISE 6:57 AM CDT SUNSET 6:21 PM CDT  
OCTOBER 9 2025.......SUNRISE 6:58 AM CDT SUNSET 6:19 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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