CDUS43 KLOT 272139

CLIDPA



CLIMATE REPORT 

NATIONAL WEATHER SERVICE CHICAGO IL

439 PM CDT MON OCT 27 2025



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



...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 27 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         58   1:41 PM  77    2014  57      1       58        

  MINIMUM         41   7:07 AM  23    1997  38      3       32        

  AVERAGE         50                        48      2       45     



PRECIPITATION (IN)                                                    

  TODAY            0.00          0.55 1998   0.09  -0.09     0.00     

  MONTH TO DATE    3.02                      2.67   0.35     0.96     

  SINCE SEP 1      3.66                      5.67  -2.01     2.38     

  SINCE JAN 1     24.19                     29.04  -4.85    26.70     



DEGREE DAYS                                                           

 HEATING                                                              

  TODAY           15                        17     -2       20        

  MONTH TO DATE  224                       333   -109      245        

  SINCE SEP 1    271                       433   -162      278        

  SINCE JUL 1    282                       444   -162      287        



 COOLING                                                              

  TODAY            0                         0      0        0        

  MONTH TO DATE   49                         9     40        3        

  SINCE SEP 1    176                        97     79      113        

  SINCE JAN 1   1084                       821    263      911        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (70)        

  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NE (60)        

  AVERAGE WIND SPEED     9.4                                        





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED TODAY.                             

  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    89           7:00 AM                                      

 LOWEST     42           1:00 PM                                      

 AVERAGE    66                                                        



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





THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   57        78      1999                      

 MINIMUM TEMPERATURE (F)   38        21      1997                      





SUNRISE AND SUNSET                                                    

OCTOBER 27 2025.......SUNRISE   7:20 AM CDT   SUNSET   5:53 PM CDT     

OCTOBER 28 2025.......SUNRISE   7:21 AM CDT   SUNSET   5:52 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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