559  
CDUS43 KLOT 040633  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT FRI JUL 04 2025  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 3 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 92 12:20 PM 102 1949 85 7 90  
MINIMUM 73 4:56 AM 50 1930 67 6 75  
1940  
AVERAGE 83 76 7 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.38 1942 0.11 -0.11 T  
MONTH TO DATE 0.00 0.33 -0.33 0.01  
SINCE JUN 1 5.37 4.34 1.03 3.45  
SINCE JAN 1 14.94 16.82 -1.88 19.43  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 9 24 -15 3  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 11 7 18  
MONTH TO DATE 49 32 17 32  
SINCE JUN 1 373 254 119 354  
SINCE JAN 1 424 336 88 467    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 5:00 AM  
LOWEST 36 12:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 101 2012  
MINIMUM TEMPERATURE (F) 67 49 1940  
 
SUNRISE AND SUNSET  
JULY 4 2025..........SUNRISE 5:22 AM CDT SUNSET 8:29 PM CDT  
JULY 5 2025..........SUNRISE 5:22 AM CDT SUNSET 8:29 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page