779  
CDUS46 KMTR 110825  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
125 AM PDT SAT OCT 11 2025  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 10 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 4:09 PM 89 1958 74 -5 66  
1992  
MINIMUM 62 11:59 PM 44 1968 54 8 54  
AVERAGE 66 64 2 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.26 1957 0.02 -0.02 0.00  
MONTH TO DATE 0.13 0.14 -0.01 0.00  
SINCE OCT 1 0.13 0.14 -0.01 0.00  
SINCE JAN 1 7.75 12.81 -5.06 14.90  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 5  
MONTH TO DATE 0 20 -20 13  
SINCE SEP 1 3 66 -63 87  
SINCE JUL 1 93 168 -75 217  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 14 18 -4 83  
SINCE SEP 1 92 74 18 107  
SINCE JAN 1 142 184 -42 181    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.6  
 
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 84 11:00 PM  
LOWEST 44 2:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 88 2010  
MINIMUM TEMPERATURE (F) 54 46 1953  
1955  
 
SUNRISE AND SUNSET  
OCTOBER 11 2025.......SUNRISE 7:14 AM PDT SUNSET 6:37 PM PDT  
OCTOBER 12 2025.......SUNRISE 7:15 AM PDT SUNSET 6:36 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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