National Weather Service Forecast for: Foster City CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Jun 13, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 52. West wind 7 to 15 mph, with gusts as high as 20 mph.
Partly Cloudy
Saturday

Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 69. West wind 7 to 14 mph, with gusts as high as 18 mph.
Decreasing
Clouds
Saturday
Night
Saturday Night: Partly cloudy, with a low around 52. West southwest wind 7 to 11 mph.
Partly Cloudy
Sunday

Sunday: Mostly sunny, with a high near 71. West wind 7 to 13 mph.
Mostly Sunny
Sunday
Night
Sunday Night: Partly cloudy, with a low around 52. West wind 7 to 14 mph.
Partly Cloudy
Monday

Monday: Mostly sunny, with a high near 69.
Mostly Sunny
Monday
Night
Monday Night: Clear, with a low around 52.
Clear
Tuesday

Tuesday: Sunny, with a high near 74.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 54.
Mostly Clear
Lo 52 °F Hi 69 °F Lo 52 °F Hi 71 °F Lo 52 °F Hi 69 °F Lo 52 °F Hi 74 °F Lo 54 °F

 

Tonight
 
Partly cloudy, with a low around 52. West wind 7 to 15 mph, with gusts as high as 20 mph.
Saturday
 
Mostly cloudy, then gradually becoming sunny, with a high near 69. West wind 7 to 14 mph, with gusts as high as 18 mph.
Saturday Night
 
Partly cloudy, with a low around 52. West southwest wind 7 to 11 mph.
Sunday
 
Mostly sunny, with a high near 71. West wind 7 to 13 mph.
Sunday Night
 
Partly cloudy, with a low around 52. West wind 7 to 14 mph.
Monday
 
Mostly sunny, with a high near 69.
Monday Night
 
Clear, with a low around 52.
Tuesday
 
Sunny, with a high near 74.
Tuesday Night
 
Mostly clear, with a low around 54.
Wednesday
 
Sunny, with a high near 75.
Wednesday Night
 
Mostly clear, with a low around 53.
Juneteenth
 
Sunny, with a high near 72.
Thursday Night
 
Clear, with a low around 52.
Friday
 
Sunny, with a high near 70.

 

Forecast from NOAA-NWS for Foster City CA.