632  
CDUS46 KMTR 200827  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT SUN APR 20 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR APRIL 19 2025
 
 
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)  
YESTERDAY  
MAXIMUM 69 1:42 PM 90 1950 70 -1 73  
2009  
MINIMUM 49 4:33 AM 31 1896 49 0 50  
AVERAGE 59 59 0 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.66 1988 0.03 -0.03 0.00  
MONTH TO DATE 0.25 0.81 -0.56 0.81  
SINCE OCT 1 9.14 12.53 -3.39 16.39  
SINCE JAN 1 5.50 8.38 -2.88 12.96  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 6 0 3  
MONTH TO DATE 106 136 -30 107  
SINCE MAR 1 418 414 4 343  
SINCE JUL 1 1589 1997 -408 1407  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 9  
SINCE MAR 1 6 2 4 9  
SINCE JAN 1 6 2 4 9    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 50 1:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 95 2009  
MINIMUM TEMPERATURE (F) 49 28 1896  
 
SUNRISE AND SUNSET  
APRIL 20 2025.........SUNRISE 6:26 AM PDT SUNSET 7:48 PM PDT  
APRIL 21 2025.........SUNRISE 6:24 AM PDT SUNSET 7:49 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page