118  
CDUS46 KMTR 230036  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
536 PM PDT MON SEP 22 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 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 89 3:02 PM 101 1939 80 9 84  
MINIMUM 60 5:58 AM 36 1895 57 3 57  
AVERAGE 75 68 7 71  
 
PRECIPITATION (IN)  
TODAY 0.00 1.15 1904 0.01 -0.01 0.00  
MONTH TO DATE 0.41 0.04 0.37 0.00  
SINCE OCT 1 9.72 13.45 -3.73 17.06  
SINCE JAN 1 6.08 9.30 -3.22 13.63  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 1 6 -5 0  
 
COOLING  
TODAY 10 4 6 6  
MONTH TO DATE 146 101 45 142  
SINCE SEP 1 146 101 45 142  
SINCE JAN 1 495 544 -49 952    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 30 2:00 PM  
AVERAGE 58  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 100 1939  
MINIMUM TEMPERATURE (F) 57 35 1903  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2025.....SUNRISE 6:56 AM PDT SUNSET 7:04 PM PDT  
SEPTEMBER 23 2025.....SUNRISE 6:57 AM PDT SUNSET 7:02 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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