179  
CDUS46 KMTR 110031  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
531 PM PDT FRI OCT 10 2025  
   
...............................  
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR OCTOBER 10 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 75 12:03 PM 89 1999 80 -5 85  
MINIMUM 53 6:25 AM 46 2019 54 -1 57  
AVERAGE 64 67 -3 71  
 
PRECIPITATION (IN)  
TODAY 0.00 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 1 0  
MONTH TO DATE 2 0  
SINCE SEP 1 2 1  
SINCE JUL 1 2 4  
 
COOLING  
TODAY 0 6  
MONTH TO DATE 27 148  
SINCE SEP 1 276 371  
SINCE JAN 1 1027 1419    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 AM  
LOWEST 35 11:00 AM  
AVERAGE 62  
   
......................................................  
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 93 2010  
MINIMUM TEMPERATURE (F) 54 45 2013  
 
SUNRISE AND SUNSET  
OCTOBER 10 2025.......SUNRISE 7:12 AM PDT SUNSET 6:37 PM PDT  
OCTOBER 11 2025.......SUNRISE 7:13 AM PDT SUNSET 6:36 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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