CDUS43 KLOT 152143
CLIDPA

CLIMATE REPORT 
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT THU OCT 15 2026

...................................

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026


WEATHER ITEM   OBSERVED RECORD YEAR NORMAL DEPARTURE LAST             
                VALUE   VALUE       VALUE  FROM      YEAR            
                                           NORMAL                  
............................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         63     79    1999  63      0       60               
  MINIMUM         58     27    1997  42     16       55               
                               2006                                  
  AVERAGE         61                 53      8       58            

PRECIPITATION (IN)                                                    
  TODAY            0.05   0.31 2008   0.10  -0.05     0.05            
  MONTH TO DATE    1.68               1.56   0.12     1.85            
  SINCE SEP 1      6.42               4.56   1.86     2.49            
  SINCE JAN 1     35.56              27.93   7.63    23.02            

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            4                 13     -9        7               
  MONTH TO DATE   56                151    -95       71               
  SINCE SEP 1    109                251   -142      118               
  SINCE JUL 1    110                262   -152      129               

 COOLING                                                              
  TODAY            0                  0      0        0               
  MONTH TO DATE   20                  9     11       47               
  SINCE SEP 1    169                 97     72      174               
  SINCE JAN 1    850                821     29     1082               
............................................................


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          10:00 AM                                      
 LOWEST     77           2:00 AM                                      
 AVERAGE    85                                                        

..........................................................


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   62        78      1998                      
 MINIMUM TEMPERATURE (F)   42        29      2018                      


SUNRISE AND SUNSET                                                    
OCTOBER 15 2026.......SUNRISE   7:05 AM CDT   SUNSET   6:11 PM CDT     
OCTOBER 16 2026.......SUNRISE   7:07 AM CDT   SUNSET   6:10 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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