511  
CDUS46 KMTR 180040  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
440 PM PST FRI JAN 17 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JANUARY 17 2025
 
 
VALID TODAY AS OF 0400 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 62 2:12 PM 78 2021 60 2 62  
MINIMUM 40 3:41 AM 22 1917 42 -2 48  
AVERAGE 51 51 0 55  
 
PRECIPITATION (IN)  
TODAY 0.00 1.40 1921 0.09 -0.09 0.00  
MONTH TO DATE 0.11 1.55 -1.44 1.31  
SINCE OCT 1 3.75 5.70 -1.95 4.74  
SINCE JAN 1 0.11 1.55 -1.44 1.31  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 14 14 0 10  
MONTH TO DATE 168 245 -77 230  
SINCE DEC 1 441 691 -250 514  
SINCE JUL 1 667 1056 -389 707  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 2 0 2 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 8:00 AM  
LOWEST 47 2:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 78 2021  
MINIMUM TEMPERATURE (F) 42 22 1917  
 
SUNRISE AND SUNSET  
JANUARY 17 2025.......SUNRISE 7:20 AM PST SUNSET 5:16 PM PST  
JANUARY 18 2025.......SUNRISE 7:20 AM PST SUNSET 5:17 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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