437  
CDUS46 KMTR 080040  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
540 PM PDT MON SEP 07 2026  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 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 83 2:14 PM 97 2020 75 8 76  
MINIMUM 56 6:15 AM 50 1960 56 0 62  
AVERAGE 70 66 4 69  
 
PRECIPITATION (IN)  
TODAY 0.00 T 1966 0.00 0.00 0.00  
1979  
1980  
MONTH TO DATE 0.01 0.01 0.00 0.00  
SINCE OCT 1 19.63 19.58 0.05 16.11  
SINCE JAN 1 10.78 12.61 -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 9 -9 1  
SINCE SEP 1 0 9 -9 1  
SINCE JUL 1 74 111 -37 91  
 
COOLING  
TODAY 5 2 3 4  
MONTH TO DATE 12 14 -2 13  
SINCE SEP 1 12 14 -2 13  
SINCE JAN 1 123 124 -1 63    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 3:00 AM  
LOWEST 36 2:00 PM  
AVERAGE 62  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 100 1984  
MINIMUM TEMPERATURE (F) 56 48 1946  
 
SUNRISE AND SUNSET  
SEPTEMBER 7 2026.....SUNRISE 6:45 AM PDT SUNSET 7:29 PM PDT  
SEPTEMBER 8 2026.....SUNRISE 6:46 AM PDT SUNSET 7:28 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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