235  
CDUS46 KMTR 300039  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
539 PM PDT THU MAY 29 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 29 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 3:12 PM 99 1950 76 3 82  
MINIMUM 51 4:36 AM 36 1895 54 -3 54  
AVERAGE 65 65 0 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.23 1948 0.00 0.00 0.00  
MONTH TO DATE 0.11 0.37 -0.26 0.67  
SINCE OCT 1 9.31 13.16 -3.85 17.06  
SINCE JAN 1 5.67 9.01 -3.34 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 2 -2 0  
MONTH TO DATE 62 99 -37 48  
SINCE MAR 1 545 574 -29 421  
SINCE JUL 1 1716 2157 -441 1485  
 
COOLING  
TODAY 0 2 -2 3  
MONTH TO DATE 16 38 -22 39  
SINCE MAR 1 22 51 -29 54  
SINCE JAN 1 22 51 -29 54    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 2:00 AM  
LOWEST 37 11:00 AM  
AVERAGE 59  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 102 1910  
MINIMUM TEMPERATURE (F) 54 35 1893  
 
SUNRISE AND SUNSET  
MAY 29 2025...........SUNRISE 5:50 AM PDT SUNSET 8:21 PM PDT  
MAY 30 2025...........SUNRISE 5:49 AM PDT SUNSET 8:22 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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