835  
CDUS43 KLOT 180642  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1242 AM CST TUE NOV 18 2025  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 17 2025
 
 
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)  
YESTERDAY  
MAXIMUM 47 2:20 PM 74 1952 48 -1 59  
1971  
1975  
MINIMUM 31 7:05 AM 3 1959 34 -3 46  
AVERAGE 39 40 -1 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.43 1892 0.08 -0.08 0.03  
MONTH TO DATE 0.75 1.42 -0.67 2.87  
SINCE SEP 1 3.91 8.04 -4.13 5.37  
SINCE JAN 1 26.36 34.75 -8.39 32.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.8 1927 0.0 0.0 0.0  
MONTH TO DATE 1.7 0.5 1.2 0.0  
SINCE SEP 1 1.7 0.7 1.0 0.0  
SINCE JUL 1 1.7 0.7 1.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 24 2 12  
MONTH TO DATE 326 356 -30 215  
SINCE SEP 1 617 788 -171 424  
SINCE JUL 1 622 794 -172 424  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 223 131 92 226  
SINCE JAN 1 1215 1003 212 1212    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 11:00 PM  
LOWEST 31 4:00 PM  
AVERAGE 47  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 72 1953  
MINIMUM TEMPERATURE (F) 33 8 1880  
 
SUNRISE AND SUNSET  
NOVEMBER 18 2025......SUNRISE 6:45 AM CST SUNSET 4:28 PM CST  
NOVEMBER 19 2025......SUNRISE 6:47 AM CST SUNSET 4:27 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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