582  
CDUS43 KLOT 260633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT SAT SEP 26 2026  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 25 2026  
 
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)  
YESTERDAY  
MAXIMUM 64 3:39 PM 92 2017 72 -8 77  
MINIMUM 56 11:43 PM 30 1942 53 3 58  
AVERAGE 60 63 -3 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.85 1961 0.11 -0.11 0.00  
MONTH TO DATE 2.96 2.70 0.26 0.49  
SINCE SEP 1 2.96 2.70 0.26 0.49  
SINCE JAN 1 33.93 29.41 4.52 22.94  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1928 0.0 0.0 0.0  
1942  
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  
YESTERDAY 5 4 1 0  
MONTH TO DATE 16 49 -33 32  
SINCE SEP 1 16 49 -33 32  
SINCE JUL 1 16 55 -39 37  
 
COOLING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 186 108 78 125  
SINCE SEP 1 186 108 78 125  
SINCE JAN 1 1112 980 132 1117    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 3:00 AM  
LOWEST 58 3:00 PM  
AVERAGE 73  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 2017  
MINIMUM TEMPERATURE (F) 53 35 1928  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2026.....SUNRISE 6:43 AM CDT SUNSET 6:42 PM CDT  
SEPTEMBER 27 2026.....SUNRISE 6:44 AM CDT SUNSET 6:40 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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