Foster City Weather Forecast

    • 47
    • 63

    Rain

    • 47
    • 65

    Mostly Sunny

    • 48
    • 66

    Mostly Sunny

    • 48
    • 65

    Partly Sunny

    • 47
    • 65

    Partly Sunny

    • 47
    • 65

    Partly Sunny

    • 49
    • 67

    Partly Sunny

Today 20 Nov San Francisco Bay Shoreline

Mostly cloudy. A slight chance of rain. Highs around 60. Northwest Winds 10 to 20 Mph.

Tonight 20 Nov San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly clear. A slight chance of rain in the evening. Lows in the mid to upper 40s. Northwest Winds 10 to 20 Mph. Becoming north 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

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Foster City Temperature Statistics

November Temperature

San Carlos Airport (3.1 miles)

  • Lowest 18 November, 2025

    50 °F

  • Average November

    58.8 °F

  • Highest 2 November, 2025

    75.2 °F

Climate (2020–Present)

San Carlos Airport (3.1 miles)

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  • Average Low 2020–2025

    51.3 °F

  • Average 2020–2025

    56.6 °F

  • Average High 2020–2025

    68.1 °F
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