539  
CDUS43 KLOT 292133  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT SUN JUN 29 2025  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 29 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 94 2:28 PM 97 1954 84 10 88  
MINIMUM 73 4:44 AM 48 1989 65 8 70  
AVERAGE 84 74 10 79  
 
PRECIPITATION (IN)  
TODAY 0.00 2.81 1933 0.12 -0.12 0.01  
MONTH TO DATE 3.60 3.98 -0.38 3.10  
SINCE JUN 1 3.60 3.98 -0.38 3.10  
SINCE JAN 1 13.10 18.63 -5.53 18.37  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE JUN 1 0.0 0.0 0.0 T  
SINCE JUL 1 17.6 38.4 -20.8 22.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 13 29 -16 6  
SINCE JUN 1 13 29 -16 6  
SINCE JUL 1 5441 5972 -531 4775  
 
COOLING  
TODAY 19 9 10 14  
MONTH TO DATE 279 188 91 278  
SINCE JUN 1 279 188 91 278  
SINCE JAN 1 313 258 55 358    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 4:00 AM  
LOWEST 44 1:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 1913  
1953  
MINIMUM TEMPERATURE (F) 65 45 1943  
 
SUNRISE AND SUNSET  
JUNE 29 2025..........SUNRISE 5:19 AM CDT SUNSET 8:31 PM CDT  
JUNE 30 2025..........SUNRISE 5:20 AM CDT SUNSET 8:31 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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