676  
CDUS43 KLOT 242134  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT FRI OCT 24 2025  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 24 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 54 2:30 PM 83 1963 59 -5 64  
2023  
MINIMUM 34 6:19 AM 17 1981 43 -9 40  
AVERAGE 44 51 -7 52  
 
PRECIPITATION (IN)  
TODAY 0.00 1.85 2021 0.11 -0.11 0.21  
MONTH TO DATE 2.53 2.68 -0.15 0.52  
SINCE SEP 1 3.02 5.87 -2.85 1.84  
SINCE JAN 1 25.47 32.58 -7.11 28.70  
 
SNOWFALL (IN)  
TODAY 0.0 T 1909 0.0 0.0 0.0  
1959  
2013  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 14 7 13  
MONTH TO DATE 153 245 -92 138  
SINCE SEP 1 185 322 -137 153  
SINCE JUL 1 190 328 -138 153  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 57 12 45 16  
SINCE SEP 1 223 128 95 206  
SINCE JAN 1 1215 1000 215 1192    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 3:00 AM  
LOWEST 41 3:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 79 1963  
MINIMUM TEMPERATURE (F) 42 14 1887  
 
SUNRISE AND SUNSET  
OCTOBER 24 2025.......SUNRISE 7:15 AM CDT SUNSET 5:56 PM CDT  
OCTOBER 25 2025.......SUNRISE 7:16 AM CDT SUNSET 5:55 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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