849  
CDUS43 KLOT 170033  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
449 PM CDT WED SEP 16 2026  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 16 2026  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 76 11:56 AM 92 1931 76 0 83  
1955  
MINIMUM 64 7:03 AM 37 1984 57 7 63  
AVERAGE 70 66 4 73  
 
PRECIPITATION (IN)  
TODAY 0.01 1.16 1980 0.10 -0.09 0.00  
MONTH TO DATE 0.16 1.73 -1.57 0.28  
SINCE SEP 1 0.16 1.73 -1.57 0.28  
SINCE JAN 1 31.13 28.44 2.69 22.73  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 3 18 -15 32  
SINCE SEP 1 3 18 -15 32  
SINCE JUL 1 3 24 -21 37  
 
COOLING  
TODAY 5 4 1 8  
MONTH TO DATE 172 83 89 57  
SINCE SEP 1 172 83 89 57  
SINCE JAN 1 1098 955 143 1049    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 PM  
LOWEST 65 2:00 AM  
AVERAGE 78  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 1955  
MINIMUM TEMPERATURE (F) 57 37 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2026.....SUNRISE 6:33 AM CDT SUNSET 6:59 PM CDT  
SEPTEMBER 17 2026.....SUNRISE 6:34 AM CDT SUNSET 6:57 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