082  
CDUS46 KMTR 130040  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
540 PM PDT SAT JUL 12 2025  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 12 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 71 2:37 PM 88 1983 73 -2 70  
MINIMUM 55 5:29 AM 47 1950 55 0 54  
AVERAGE 63 64 -1 62  
 
PRECIPITATION (IN)  
TODAY 0.00 T 1989 0.00 0.00 0.00  
1991  
1995  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE OCT 1 16.11 19.53 -3.42 20.13  
SINCE JAN 1 7.55 12.56 -5.01 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 2 0 3  
MONTH TO DATE 36 24 12 6  
SINCE JUN 1 179 121 58 119  
SINCE JUL 1 36 24 12 6  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 12 -12 31  
SINCE JUN 1 1 35 -34 37  
SINCE JAN 1 7 55 -48 48    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 63 3:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 97 1972  
MINIMUM TEMPERATURE (F) 55 49 1955  
1981  
 
SUNRISE AND SUNSET  
JULY 12 2025..........SUNRISE 5:58 AM PDT SUNSET 8:32 PM PDT  
JULY 13 2025..........SUNRISE 5:59 AM PDT SUNSET 8:31 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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