401  
CDUS43 KLOT 232134  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT SUN MAR 23 2025  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 23 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 52 11:31 AM 80 1907 50 2 38  
MINIMUM 35 2:45 AM 9 1940 33 2 28  
AVERAGE 44 41 3 33  
 
PRECIPITATION (IN)  
TODAY 0.11 1.25 2012 0.08 0.03 0.00  
MONTH TO DATE 2.69 1.78 0.91 2.29  
SINCE MAR 1 2.69 1.78 0.91 2.29  
SINCE JAN 1 5.19 5.74 -0.55 6.44  
 
SNOWFALL (IN)  
TODAY 0.0 7.0 1897 0.1 -0.1 0.0  
MONTH TO DATE 2.8 4.7 -1.9 1.0  
SINCE MAR 1 2.8 4.7 -1.9 1.0  
SINCE JUL 1 17.6 36.3 -18.7 22.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 24 -3 32  
MONTH TO DATE 504 631 -127 478  
SINCE MAR 1 504 631 -127 478  
SINCE JUL 1 4639 5100 -461 4166  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 12.8  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 PM  
LOWEST 45 10:00 AM  
AVERAGE 67  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 82 2017  
MINIMUM TEMPERATURE (F) 33 5 1974  
 
SUNRISE AND SUNSET  
MARCH 23 2025.........SUNRISE 6:49 AM CDT SUNSET 7:08 PM CDT  
MARCH 24 2025.........SUNRISE 6:47 AM CDT SUNSET 7:09 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