305  
CDUS43 KLOT 042132  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT FRI JUL 04 2025  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 4 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 90 2:12 PM 102 1911 84 6 84  
2012  
MINIMUM 74 9:18 AM 50 1972 66 8 69  
AVERAGE 82 75 7 77  
 
PRECIPITATION (IN)  
TODAY 0.05 1.72 1995 0.11 -0.06 T  
MONTH TO DATE 0.05 0.43 -0.38 0.10  
SINCE JUN 1 3.68 4.53 -0.85 3.20  
SINCE JAN 1 13.18 19.18 -6.00 18.47  
 
SNOWFALL (IN)  
TODAY 0.0 T 1995 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 13 31 -18 6  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 17 10 7 12  
MONTH TO DATE 66 40 26 39  
SINCE JUN 1 362 239 123 317  
SINCE JAN 1 396 309 87 397    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 8:00 AM  
LOWEST 55 3:00 PM  
AVERAGE 71  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 103 2012  
MINIMUM TEMPERATURE (F) 66 46 1972  
 
SUNRISE AND SUNSET  
JULY 4 2025..........SUNRISE 5:22 AM CDT SUNSET 8:30 PM CDT  
JULY 5 2025..........SUNRISE 5:22 AM CDT SUNSET 8:30 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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