841  
CDUS43 KLOT 212234  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CST FRI NOV 21 2025  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 21 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 48 1:04 PM 72 1913 46 2 39  
MINIMUM 42 7:48 AM 1 1880 32 10 30  
AVERAGE 45 39 6 35  
 
PRECIPITATION (IN)  
TODAY T 1.49 1906 0.08 -0.08 0.28  
MONTH TO DATE 1.05 1.73 -0.68 3.63  
SINCE SEP 1 4.21 8.35 -4.14 6.13  
SINCE JAN 1 26.66 35.06 -8.40 32.99  
 
SNOWFALL (IN)  
TODAY 0.0 7.0 2015 0.1 -0.1 2.9  
MONTH TO DATE 1.7 0.8 0.9 2.9  
SINCE SEP 1 1.7 1.0 0.7 2.9  
SINCE JUL 1 1.7 1.0 0.7 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 20 26 -6 30  
MONTH TO DATE 410 458 -48 290  
SINCE SEP 1 701 890 -189 499  
SINCE JUL 1 706 896 -190 499  
 
COOLING  
TODAY 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 N (360)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 65 3:00 PM  
AVERAGE 79  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 69 1913  
MINIMUM TEMPERATURE (F) 32 4 1880  
 
SUNRISE AND SUNSET  
NOVEMBER 21 2025......SUNRISE 6:49 AM CST SUNSET 4:26 PM CST  
NOVEMBER 22 2025......SUNRISE 6:50 AM CST SUNSET 4:25 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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