328 
CDUS46 KMTR 010027
CLICCR

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
527 PM PDT FRI OCT 31 2025

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR OCTOBER 31 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1999 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         79   3:44 PM  87    2015  73      6       67        
  MINIMUM         50   6:36 AM  39    2019  49      1       49        
  AVERAGE         65                        61      4       58     

PRECIPITATION (IN)                                                    
  TODAY            0.00                                       T       
  MONTH TO DATE    0.48                                       T       
  SINCE OCT 1      0.48                                       T       
  SINCE JAN 1      2.55                                      9.33     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                                         7        
  MONTH TO DATE   60                                        29        
  SINCE SEP 1     60                                        30        
  SINCE JUL 1     60                                        33        

 COOLING                                                              
  TODAY            0                                         0        
  MONTH TO DATE   35                                       183        
  SINCE SEP 1    284                                       406        
  SINCE JAN 1   1035                                      1454        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (230)       
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (290)       
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (200)       
  AVERAGE WIND SPEED     5.2                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.2                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           7:00 AM                                      
 LOWEST     39           4:00 PM                                      
 AVERAGE    68                                                        

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   72        85      2018                      
 MINIMUM TEMPERATURE (F)   49        38      2003                      


SUNRISE AND SUNSET                                                    
OCTOBER 31 2025.......SUNRISE   7:33 AM PDT   SUNSET   6:10 PM PDT     
NOVEMBER  1 2025......SUNRISE   7:34 AM PDT   SUNSET   6:09 PM PDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$