452  
CDUS46 KMTR 220029  
CLIOAK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
529 PM PDT TUE OCT 21 2025  
   
...............................
 
 
   
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 12:41 PM 85 1998 71 2 70  
2020  
MINIMUM 51 4:44 AM 37 1949 50 1 50  
AVERAGE 62 61 1 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.13 1985 0.03 -0.03 0.00  
MONTH TO DATE 1.64 0.52 1.12 T  
SINCE OCT 1 1.64 0.52 1.12 T  
SINCE JAN 1 6.19 12.46 -6.27 12.39  
 
SNOWFALL (IN)  
TODAY MM 0.0 1985  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 3 5 -2 5  
MONTH TO DATE 63 77 -14 10  
SINCE SEP 1 65 133 -68 23  
SINCE JUL 1 152 242 -90 45  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 10 19 -9 105  
SINCE SEP 1 88 69 19 169  
SINCE JAN 1 136 174 -38 371    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.5  
 
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 89 6:00 AM  
LOWEST 44 12:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE OAKLAND AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 84 2011  
MINIMUM TEMPERATURE (F) 50 40 1949  
 
SUNRISE AND SUNSET  
OCTOBER 21 2025.......SUNRISE 7:23 AM PDT SUNSET 6:23 PM PDT  
OCTOBER 22 2025.......SUNRISE 7:24 AM PDT SUNSET 6:22 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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