774  
CDUS46 KMTR 280035  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
535 PM PDT FRI JUN 27 2025  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 27 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 72 10:47 AM 97 1956 73 -1 66  
1976  
2003  
MINIMUM 53 5:01 AM 48 1950 54 -1 52  
1962  
1965  
AVERAGE 63 63 0 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.05 1952 0.00 0.00 0.00  
1991  
MONTH TO DATE 0.00 0.13 -0.13 T  
SINCE OCT 1 16.11 19.52 -3.41 20.13  
SINCE JAN 1 7.55 12.55 -5.00 14.80  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 2 3 -1 6  
MONTH TO DATE 134 92 42 107  
SINCE JUN 1 134 92 42 107  
SINCE JUL 1 2384 2471 -87 1870  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 24 -24 6  
SINCE JUN 1 0 24 -24 6  
SINCE JAN 1 6 44 -38 17    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 3:00 AM  
LOWEST 53 11:00 AM  
AVERAGE 71  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1976  
MINIMUM TEMPERATURE (F) 54 46 1954  
 
SUNRISE AND SUNSET  
JUNE 27 2025..........SUNRISE 5:50 AM PDT SUNSET 8:35 PM PDT  
JUNE 28 2025..........SUNRISE 5:51 AM PDT SUNSET 8:35 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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