582  
CDUS46 KMTR 210036  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
536 PM PDT MON APR 20 2026  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR APRIL 20 2026
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 10:35 AM 95 2009 70 3 71  
MINIMUM 51 12:55 AM 28 1896 49 2 53  
AVERAGE 62 59 3 62  
 
PRECIPITATION (IN)  
TODAY 0.10 0.57 1963 0.04 0.06 0.00  
MONTH TO DATE 0.91 0.85 0.06 0.25  
SINCE OCT 1 11.65 12.57 -0.92 9.14  
SINCE JAN 1 6.29 8.42 -2.13 5.50  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 3 6 -3 3  
MONTH TO DATE 80 142 -62 109  
SINCE MAR 1 158 420 -262 421  
SINCE JUL 1 1415 2003 -588 1592  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 4 0 4 1  
SINCE MAR 1 53 2 51 6  
SINCE JAN 1 57 2 55 6    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 4:00 PM  
LOWEST 22 11:00 AM  
AVERAGE 50  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 2009  
MINIMUM TEMPERATURE (F) 49 33 1920  
 
SUNRISE AND SUNSET  
APRIL 20 2026.........SUNRISE 6:26 AM PDT SUNSET 7:48 PM PDT  
APRIL 21 2026.........SUNRISE 6:25 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.  
 

 
 
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