688  
CDUS43 KLOT 292135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT SAT MAR 29 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MARCH 29 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 12:03 PM 78 1998 53 19 57  
MINIMUM 59 5:03 AM 19 2008 32 27 27  
AVERAGE 66 42 24 42  
 
PRECIPITATION (IN)  
TODAY 0.00 0.53 2002 0.07 -0.07 0.04  
MONTH TO DATE 2.84 1.82 1.02 3.48  
SINCE MAR 1 2.84 1.82 1.02 3.48  
SINCE JAN 1 4.41 4.33 0.08 5.93  
 
DEGREE DAYS  
HEATING  
TODAY 0 22 -22 23  
MONTH TO DATE 624 805 -181 645  
SINCE MAR 1 624 805 -181 645  
SINCE JUL 1 4944 5582 -638 4706  
 
COOLING  
TODAY 1 0 1 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 12.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 10:00 AM  
LOWEST 56 12:00 AM  
AVERAGE 65  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 78 1998  
MINIMUM TEMPERATURE (F) 33 21 2003  
2011  
2014  
 
SUNRISE AND SUNSET  
MARCH 29 2025.........SUNRISE 6:40 AM CDT SUNSET 7:16 PM CDT  
MARCH 30 2025.........SUNRISE 6:39 AM CDT SUNSET 7:17 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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