322  
CDUS46 KMTR 050830  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT SUN OCT 05 2025  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 4 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 73 1:36 PM 95 1987 74 -1 82  
MINIMUM 56 6:41 AM 47 1989 55 1 58  
AVERAGE 65 65 0 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.33 1994 0.01 -0.01 0.00  
MONTH TO DATE 0.13 0.05 0.08 0.00  
SINCE OCT 1 0.13 0.05 0.08 0.00  
SINCE JAN 1 7.75 12.72 -4.97 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 0  
MONTH TO DATE 0 8 -8 0  
SINCE SEP 1 3 54 -51 74  
SINCE JUL 1 93 156 -63 204  
 
COOLING  
YESTERDAY 0 2 -2 5  
MONTH TO DATE 3 8 -5 42  
SINCE SEP 1 81 64 17 66  
SINCE JAN 1 131 174 -43 140    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 57 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 99 1987  
MINIMUM TEMPERATURE (F) 55 47 1962  
1969  
2009  
 
SUNRISE AND SUNSET  
OCTOBER 5 2025.......SUNRISE 7:09 AM PDT SUNSET 6:46 PM PDT  
OCTOBER 6 2025.......SUNRISE 7:10 AM PDT SUNSET 6:44 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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