294  
CDUS43 KLOT 012141  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
441 PM CDT THU OCT 01 2026  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 1 2026
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 70 2:24 PM 92 1971 69 1 76  
MINIMUM 64 4:36 AM 32 1886 51 13 63  
1974  
AVERAGE 67 60 7 70  
 
PRECIPITATION (IN)  
TODAY 0.41 1.56 2018 0.11 0.30 0.00  
MONTH TO DATE 0.41 0.11 0.30 0.00  
SINCE SEP 1 4.11 3.30 0.81 0.49  
SINCE JAN 1 35.08 30.01 5.07 22.94  
 
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 0 6 -6 0  
MONTH TO DATE 0 6 -6 0  
SINCE SEP 1 27 83 -56 32  
SINCE JUL 1 27 89 -62 37  
 
COOLING  
TODAY 2 1 1 5  
MONTH TO DATE 2 1 1 5  
SINCE SEP 1 189 117 72 171  
SINCE JAN 1 1115 989 126 1163    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 PM  
LOWEST 84 9:00 AM  
AVERAGE 91  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 1971  
MINIMUM TEMPERATURE (F) 51 28 1974  
 
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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