Foster City, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Clear
    55°
    Friday 5/10
    Forecast night icon
    55°
    Clear
    Hourly
    Night Details
    Clear. Lows in the mid 50s. Northwest winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    Sunny
    81°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Saturday 5/11
    Day
    81°
    Sunny
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the 70s to mid 80s. Northwest winds around 5 mph increasing to 10 to 20 mph in the afternoon.
    Night Details
    Clear in the evening then becoming partly cloudy. Lows in the mid 50s. Northwest winds 10 to 20 mph. . . Becoming west 5 to 10 mph after midnight.
  • Forecast day icon
    Sunday
    Sunny
    78°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Sunday 5/12
    Day
    78°
    Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 60s to lower 80s. West winds around 5 mph increasing to 10 to 20 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the lower 50s. West winds 10 to 20 mph.
  • Forecast day icon
    Monday
    Mostly Cloudy
    70°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Monday 5/13
    Day
    70°
    Mostly Cloudy
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming sunny. Highs in the 60s to mid 70s.
    Night Details
    Mostly clear. Lows in the mid 50s. Highs in the 60s to upper 70s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    52°
    Tuesday 5/14
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    52°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the mid 50s. Highs in the 60s to upper 70s.
    Night Details
    Mostly clear. Lows in the mid 50s. Highs in the 60s to upper 70s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Wednesday 5/15
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the mid 50s. Highs in the 60s to upper 70s.
    Night Details
    Mostly clear. Lows in the mid 50s. Highs in the 60s to upper 70s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    73°
    Forecast night icon
    Night
    Mostly Clear
    52°
    Thursday 5/16
    Day
    73°
    Mostly Sunny
    Forecast day icon
    Night
    52°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the mid 50s. Highs in the 60s to upper 70s.
    Night Details
    Mostly clear. Lows in the mid 50s. Highs in the 60s to upper 70s.
  • Forecast day icon
    Friday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    Clear
    51°
    Friday 5/17
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the mid 50s. Highs in the 60s to upper 70s.
    Night Details
    Clear. Low temperature around 51F. Dew point will be around 52F with an average humidity of 88%. Winds will be 6 mph from the W.
  • Forecast day icon
    Saturday
    Sunny
    68°
    Forecast night icon
    Night
    Clear
    50°
    Saturday 5/18
    Day
    68°
    Sunny
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 68F. Dew point will be around 53F with an average humidity of 70%. Winds will be 7 mph from the W.
    Night Details
    Clear. Low temperature around 50F. Dew point will be around 52F with an average humidity of 87%. Winds will be 6 mph from the W.
  • Forecast day icon
    Sunday
    Sunny
    67°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Sunday 5/19
    Day
    67°
    Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 67F. Dew point will be around 54F with an average humidity of 72%. Winds will be 7 mph from the W.
    Night Details
    Mostly clear. Low temperature around 49F. Dew point will be around 51F with an average humidity of 90%. Winds will be 6 mph from the W.