834  
CDUS46 KMTR 040032  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
532 PM PDT FRI OCT 03 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 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 71 MM 101 2024 79 -8 101  
MINIMUM 59 MM 40 1908 55 4 68  
1911  
1916  
AVERAGE 65 67 -2 85  
 
PRECIPITATION (IN)  
TODAY 0.00 0.25 1898 0.01 -0.01 0.00  
MONTH TO DATE 0.45 0.03 0.42 0.00  
SINCE OCT 1 0.45 0.03 0.42 0.00  
SINCE JAN 1 6.56 9.36 -2.80 13.63  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 3 -3 0  
SINCE SEP 1 0 15 -15 0  
SINCE JUL 1 1 21 -20 0  
 
COOLING  
TODAY 0 3 -3 20  
MONTH TO DATE 10 9 1 57  
SINCE SEP 1 220 139 81 270  
SINCE JAN 1 569 582 -13 1080    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 12:00 AM  
LOWEST 53 3:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 98 2024  
MINIMUM TEMPERATURE (F) 55 41 1931  
 
SUNRISE AND SUNSET  
OCTOBER 3 2025.......SUNRISE 7:05 AM PDT SUNSET 6:47 PM PDT  
OCTOBER 4 2025.......SUNRISE 7:06 AM PDT SUNSET 6:46 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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