531  
CDUS46 KMTR 090027  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT THU MAY 08 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 8 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 79 3:40 PM 95 2001 72 7 81  
MINIMUM 51 5:25 AM 38 1897 51 0 52  
1925  
1930  
AVERAGE 65 62 3 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.88 1956 0.02 -0.02 0.00  
MONTH TO DATE T 0.14 -0.14 0.67  
SINCE OCT 1 9.20 12.93 -3.73 17.06  
SINCE JAN 1 5.56 8.78 -3.22 13.63  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 20 36 -16 34  
SINCE MAR 1 495 511 -16 407  
SINCE JUL 1 1666 2094 -428 1471  
 
COOLING  
TODAY 0 1 -1 2  
MONTH TO DATE 3 8 -5 2  
SINCE MAR 1 11 21 -10 17  
SINCE JAN 1 11 21 -10 17    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 42 2:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 95 1931  
MINIMUM TEMPERATURE (F) 51 35 1896  
 
SUNRISE AND SUNSET  
MAY 8 2025...........SUNRISE 6:05 AM PDT SUNSET 8:04 PM PDT  
MAY 9 2025...........SUNRISE 6:04 AM PDT SUNSET 8:05 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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