672  
CDUS43 KLOT 302133  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT MON JUN 30 2025  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JUNE 30 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 91 2:48 PM 101 1931 84 7 73  
MINIMUM 75 3:31 AM 45 1943 66 9 61  
AVERAGE 83 75 8 67  
 
PRECIPITATION (IN)  
TODAY 0.00 2.59 1977 0.11 -0.11 0.00  
MONTH TO DATE 5.37 4.01 1.36 3.44  
SINCE JUN 1 5.37 4.01 1.36 3.44  
SINCE JAN 1 14.94 16.49 -1.55 19.42  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 9 21 -12 3  
SINCE JUN 1 9 21 -12 3  
SINCE JUL 1 5129 5749 -620 4545  
 
COOLING  
TODAY 18 10 8 2  
MONTH TO DATE 324 222 102 322  
SINCE JUN 1 324 222 102 322  
SINCE JAN 1 375 304 71 435    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 7:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 103 1956  
MINIMUM TEMPERATURE (F) 66 49 1982  
 
SUNRISE AND SUNSET  
JUNE 30 2025..........SUNRISE 5:20 AM CDT SUNSET 8:30 PM CDT  
JULY 1 2025..........SUNRISE 5:20 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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