651  
CDUS46 KMTR 180028  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
528 PM PDT TUE JUN 17 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JUNE 17 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 12:59 PM 99 1943 80 -2 83  
1945  
MINIMUM 53 4:40 AM 40 1895 56 -3 57  
1902  
AVERAGE 66 68 -2 70  
 
PRECIPITATION (IN)  
TODAY 0.00 0.05 1899 0.01 -0.01 0.00  
1909  
MONTH TO DATE 0.00 0.13 -0.13 0.00  
SINCE OCT 1 9.31 13.31 -4.00 17.06  
SINCE JAN 1 5.67 9.16 -3.49 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 1 -1 0  
MONTH TO DATE 14 20 -6 0  
SINCE JUN 1 14 20 -6 0  
SINCE JUL 1 1730 2180 -450 1485  
 
COOLING  
TODAY 1 3 -2 5  
MONTH TO DATE 10 43 -33 86  
SINCE JUN 1 10 43 -33 86  
SINCE JAN 1 51 94 -43 156    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.7  
 
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 83 4:00 AM  
LOWEST 34 11:00 AM  
AVERAGE 59  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 103 2017  
MINIMUM TEMPERATURE (F) 56 34 1893  
 
SUNRISE AND SUNSET  
JUNE 17 2025..........SUNRISE 5:47 AM PDT SUNSET 8:31 PM PDT  
JUNE 18 2025..........SUNRISE 5:47 AM PDT SUNSET 8:31 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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