National Weather Service Forecast for: Foster City CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Apr 26, 2025
 
This
Afternoon
This Afternoon: A 20 percent chance of rain.  Partly sunny, with a high near 63. West wind around 10 mph.
Slight Chance
Rain
Tonight

Tonight: A 30 percent chance of rain, mainly after 2am.  Mostly cloudy, with a low around 50. West wind 7 to 9 mph.  New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
Sunday

Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 62. West wind 7 to 10 mph.
Decreasing
Clouds
Sunday
Night
Sunday Night: Partly cloudy, with a low around 48. West southwest wind 3 to 8 mph.
Partly Cloudy
Monday

Monday: Sunny, with a high near 68. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 49.
Mostly Clear
Tuesday

Tuesday: Mostly sunny, with a high near 71.
Mostly Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 51.
Partly Cloudy
Wednesday

Wednesday: Mostly sunny, with a high near 71.
Mostly Sunny
Hi 63 °F Lo 50 °F Hi 62 °F Lo 48 °F Hi 68 °F Lo 49 °F Hi 71 °F Lo 51 °F Hi 71 °F

 

This Afternoon
 
A 20 percent chance of rain. Partly sunny, with a high near 63. West wind around 10 mph.
Tonight
 
A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 50. West wind 7 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
 
Mostly cloudy, then gradually becoming sunny, with a high near 62. West wind 7 to 10 mph.
Sunday Night
 
Partly cloudy, with a low around 48. West southwest wind 3 to 8 mph.
Monday
 
Sunny, with a high near 68. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 49.
Tuesday
 
Mostly sunny, with a high near 71.
Tuesday Night
 
Partly cloudy, with a low around 51.
Wednesday
 
Mostly sunny, with a high near 71.
Wednesday Night
 
Partly cloudy, with a low around 51.
Thursday
 
Mostly sunny, with a high near 67.
Thursday Night
 
Partly cloudy, with a low around 51.
Friday
 
Partly sunny, with a high near 65.
Friday Night
 
Mostly cloudy, with a low around 51.
Saturday
 
Mostly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Foster City CA.