871  
CDUS46 KMTR 160827  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT THU OCT 16 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 2025  
 
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)  
YESTERDAY  
MAXIMUM 66 1:32 PM 94 1961 76 -10 81  
2020  
MINIMUM 54 11:59 PM 36 1913 53 1 55  
AVERAGE 60 65 -5 68  
 
PRECIPITATION (IN)  
YESTERDAY T 0.38 1993 0.02 -0.02 0.00  
MONTH TO DATE 1.97 0.18 1.79 0.00  
SINCE OCT 1 1.97 0.18 1.79 0.00  
SINCE JAN 1 8.08 9.51 -1.43 13.63  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 2 3 0  
MONTH TO DATE 22 21 1 0  
SINCE SEP 1 22 33 -11 0  
SINCE JUL 1 23 39 -16 0  
 
COOLING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 32 36 -4 168  
SINCE SEP 1 242 166 76 381  
SINCE JAN 1 591 609 -18 1191    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 8:00 AM  
LOWEST 56 2:00 PM  
AVERAGE 71  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 2020  
MINIMUM TEMPERATURE (F) 53 40 1920  
 
SUNRISE AND SUNSET  
OCTOBER 16 2025.......SUNRISE 7:17 AM PDT SUNSET 6:29 PM PDT  
OCTOBER 17 2025.......SUNRISE 7:18 AM PDT SUNSET 6:27 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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