408  
CDUS46 KMTR 040043  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
543 PM PDT SUN AUG 03 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 3 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 77 3:59 PM 99 1998 81 -4 90  
MINIMUM 56 5:34 AM 46 1893 59 -3 63  
1896  
AVERAGE 67 70 -3 77  
 
PRECIPITATION (IN)  
TODAY 0.00 0.06 1999 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 T  
SINCE OCT 1 9.31 13.36 -4.05 17.06  
SINCE JAN 1 5.67 9.21 -3.54 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 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 24 28 -4 0  
SINCE JUL 1 1 4 -3 0  
 
COOLING  
TODAY 2 5 -3 12  
MONTH TO DATE 9 15 -6 30  
SINCE JUN 1 138 250 -112 533  
SINCE JAN 1 179 301 -122 603    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 2:00 AM  
LOWEST 39 4:00 PM  
AVERAGE 63  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 1998  
MINIMUM TEMPERATURE (F) 59 46 1915  
 
SUNRISE AND SUNSET  
AUGUST 3 2025........SUNRISE 6:14 AM PDT SUNSET 8:13 PM PDT  
AUGUST 4 2025........SUNRISE 6:15 AM PDT SUNSET 8:12 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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