725  
CDUS46 KMTR 300040  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
540 PM PDT FRI AUG 29 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 29 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 1:56 PM 100 2009 82 -4 83  
MINIMUM 60 4:27 AM 44 1895 58 2 59  
1912  
AVERAGE 69 70 -1 71  
 
PRECIPITATION (IN)  
TODAY 0.00 0.05 1953 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.04 -0.04 T  
SINCE OCT 1 9.31 13.40 -4.09 17.06  
SINCE JAN 1 5.67 9.25 -3.58 13.63  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 24 28 -4 0  
SINCE JUL 1 1 4 -3 0  
 
COOLING  
TODAY 4 5 -1 6  
MONTH TO DATE 156 145 11 225  
SINCE JUN 1 285 380 -95 728  
SINCE JAN 1 326 431 -105 798    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 4:00 AM  
LOWEST 54 2:00 PM  
AVERAGE 71  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1968  
MINIMUM TEMPERATURE (F) 58 43 1895  
 
SUNRISE AND SUNSET  
AUGUST 29 2025........SUNRISE 6:36 AM PDT SUNSET 7:40 PM PDT  
AUGUST 30 2025........SUNRISE 6:37 AM PDT SUNSET 7:39 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