291  
CDUS46 KMTR 290028  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
428 PM PST TUE JAN 28 2025  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 28 2025
 
 
VALID TODAY AS OF 0400 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 58 2:33 PM 69 1984 59 -1 66  
MINIMUM 41 5:21 AM 33 1948 45 -4 53  
1975  
AVERAGE 50 52 -2 60  
 
PRECIPITATION (IN)  
TODAY 0.00 1.04 1981 0.12 -0.12 0.00  
MONTH TO DATE 0.13 3.52 -3.39 3.90  
SINCE OCT 1 8.69 10.49 -1.80 9.23  
SINCE JAN 1 0.13 3.52 -3.39 3.90  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 15 13 2 5  
MONTH TO DATE 338 386 -48 308  
SINCE DEC 1 648 808 -160 581  
SINCE JUL 1 1189 1316 -127 804  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 67 3:00 PM  
AVERAGE 84  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 66 1989  
2009  
2015  
MINIMUM TEMPERATURE (F) 45 31 1979  
 
SUNRISE AND SUNSET  
JANUARY 28 2025.......SUNRISE 7:16 AM PST SUNSET 5:30 PM PST  
JANUARY 29 2025.......SUNRISE 7:15 AM PST SUNSET 5:31 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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