235  
CDUS46 KMTR 260039  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
539 PM PDT THU SEP 25 2025  
   
...............................  
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 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 86 2:21 PM 99 2019 84 2 74  
MINIMUM 65 7:00 AM 48 2005 57 8 57  
AVERAGE 76 70 6 66  
 
PRECIPITATION (IN)  
TODAY T 0.00  
MONTH TO DATE 0.03 0.00  
SINCE OCT 1 4.33 12.46  
SINCE JAN 1 2.07 9.33  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 0 1  
SINCE SEP 1 0 1  
SINCE JUL 1 0 4  
 
COOLING  
TODAY 11 1  
MONTH TO DATE 226 184  
SINCE SEP 1 226 184  
SINCE JAN 1 977 1232    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 20 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.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 12:00 AM  
LOWEST 29 2:00 PM  
AVERAGE 58  
   
......................................................  
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 102 2009  
MINIMUM TEMPERATURE (F) 57 47 2013  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2025.....SUNRISE 6:59 AM PDT SUNSET 7:00 PM PDT  
SEPTEMBER 26 2025.....SUNRISE 7:00 AM PDT SUNSET 6:58 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab CA Page
Main Text Page