683  
CDUS46 KMTR 030038  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
438 PM PST TUE DEC 02 2025  
   
...............................  
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 2 2025  
 
VALID TODAY AS OF 0400 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 59 2:46 PM 75 2011 60 -1 67  
MINIMUM 39 1:42 AM 32 2004 42 -3 41  
2022  
AVERAGE 49 51 -2 54  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 1.72 0.78  
SINCE JAN 1 3.79 10.11  
 
DEGREE DAYS  
HEATING  
TODAY 16 11  
MONTH TO DATE 35 21  
SINCE DEC 1 35 21  
SINCE JUL 1 332 360  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 1035 1454    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 9:00 AM  
LOWEST 67 2:00 PM  
AVERAGE 82  
   
......................................................  
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 67 2007  
2024  
MINIMUM TEMPERATURE (F) 42 34 2004  
 
SUNRISE AND SUNSET  
DECEMBER 2 2025......SUNRISE 7:07 AM PST SUNSET 4:49 PM PST  
DECEMBER 3 2025......SUNRISE 7:08 AM PST SUNSET 4:49 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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