Foster City Weather Forecast

    • 46
    • 60

    Rain Showers Likely

    • 24
    • 56

    Rain Showers Likely

    • 20
    • 34

    Partly Sunny

    • 26
    • 45

    Partly Sunny

    • 28
    • 48

    Chance Rain/Snow

    • 20
    • 40

    Snow Showers Likely

Today 14 Mar Dickinson

Partly cloudy. A slight chance of rain Showers in the morning. Unseasonably warm with Highs in the lower 60s. Southeast Winds 5 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 14 Mar Dickinson

Partly cloudy in the Evening, then cloudy with Showers likely with a slight chance of Thunderstorms after midnight. Lows around 47. Southeast Winds 5 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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Foster City Temperature Statistics

March Temperature

Iron Mountain / Kingsford, Ford Airport (19.9 miles)

  • Lowest 2 March, 2025

    1.9 °F

  • Average March

    29 °F

  • Highest 10 March, 2025

    62.1 °F

Climate (2020–Present)

Iron Mountain / Kingsford, Ford Airport (19.9 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    44.2 °F

  • Average High 2020–2025

    54.7 °F
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