Foster City Weather Forecast

    • 48
    • 64

    Increasing Clouds

    • 47
    • 65

    Partly Sunny

    • 45
    • 66

    Mostly Sunny

    • 47
    • 66

    Partly Sunny

    • 49
    • 66

    Partly Sunny

    • 49
    • 65

    Mostly Cloudy

    • 47
    • 62

    Slight Chance Rain

Today 23 Nov San Francisco Bay Shoreline

Partly cloudy late in the morning then becoming sunny. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 23 Nov San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. West Winds 5 to 10 Mph. Becoming southeast after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Foster City Temperature Statistics

November Temperature

San Carlos Airport (3.1 miles)

  • Lowest 19 November, 2025

    46.4 °F

  • Average November

    57.9 °F

  • Highest 2 November, 2025

    75.2 °F

Climate (2020–Present)

San Carlos Airport (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    51.3 °F

  • Average 2020–2025

    56.6 °F

  • Average High 2020–2025

    68.1 °F
Get WillyWeather+ to remove ads