022  
CDUS43 KLOT 020632  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SAT AUG 02 2025  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 1 2025
 
 
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)  
YESTERDAY  
MAXIMUM 77 2:21 PM 100 1988 84 -7 89  
MINIMUM 64 11:59 PM 52 1947 68 -4 70  
AVERAGE 71 76 -5 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.55 1961 0.12 -0.12 0.93  
MONTH TO DATE 0.00 0.12 -0.12 0.93  
SINCE JUN 1 12.03 7.68 4.35 10.68  
SINCE JAN 1 21.60 20.16 1.44 26.66  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 9 25 -16 3  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 6 11 -5 15  
MONTH TO DATE 6 11 -5 15  
SINCE JUN 1 774 586 188 689  
SINCE JAN 1 825 668 157 802    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 6:00 AM  
LOWEST 39 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 102 1991  
MINIMUM TEMPERATURE (F) 68 56 1965  
 
SUNRISE AND SUNSET  
AUGUST 2 2025........SUNRISE 5:46 AM CDT SUNSET 8:07 PM CDT  
AUGUST 3 2025........SUNRISE 5:47 AM CDT SUNSET 8:06 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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