847  
CDUS46 KMTR 040037  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
537 PM PDT THU SEP 03 2026  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 2026
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 12:15 PM 93 1961 75 -3 73  
MINIMUM 60 5:21 AM 50 1945 56 4 58  
1947  
1970  
AVERAGE 66 65 1 66  
 
PRECIPITATION (IN)  
TODAY 0.00 T 1992 0.00 0.00 0.00  
1993  
2003  
MONTH TO DATE T 0.00 0.00 0.00  
SINCE OCT 1 19.62 19.57 0.05 16.11  
SINCE JAN 1 10.77 12.60 -1.83 7.55  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 0  
SINCE SEP 1 0 5 -5 0  
SINCE JUL 1 74 107 -33 90  
 
COOLING  
TODAY 1 2 -1 1  
MONTH TO DATE 5 6 -1 6  
SINCE SEP 1 5 6 -1 6  
SINCE JAN 1 116 116 0 56    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 4:00 AM  
LOWEST 61 3:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1961  
2004  
2008  
MINIMUM TEMPERATURE (F) 56 50 1947  
1989  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2026.....SUNRISE 6:42 AM PDT SUNSET 7:35 PM PDT  
SEPTEMBER 4 2026.....SUNRISE 6:42 AM PDT SUNSET 7:34 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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