508  
CDUS46 KMTR 030038  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
538 PM PDT THU OCT 02 2025  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 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 72 3:41 PM 103 2024 82 -10 103  
MINIMUM 63 8:43 AM 47 2019 56 7 64  
AVERAGE 68 69 -1 84  
 
PRECIPITATION (IN)  
TODAY 0.06 0.00  
MONTH TO DATE 0.06 0.00  
SINCE OCT 1 0.06 0.00  
SINCE JAN 1 2.13 9.33  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 0 1  
SINCE JUL 1 0 4  
 
COOLING  
TODAY 3 19  
MONTH TO DATE 6 36  
SINCE SEP 1 255 259  
SINCE JAN 1 1006 1307    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 51 1:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 102 2024  
MINIMUM TEMPERATURE (F) 55 45 2013  
 
SUNRISE AND SUNSET  
OCTOBER 2 2025.......SUNRISE 7:05 AM PDT SUNSET 6:49 PM PDT  
OCTOBER 3 2025.......SUNRISE 7:06 AM PDT SUNSET 6:47 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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