San Francisco Bay - Sierra Point Marina Weather Forecast

    • 50
    • 72

    Becoming Sunny

    • 51
    • 70

    Mostly Sunny

    • 52
    • 70

    Mostly Sunny

    • 52
    • 72

    Mostly Sunny

    • 51
    • 71

    Mostly Sunny

    • 51
    • 70

    Partly Sunny

Today 21 Mar San Francisco Bay Shoreline

Partly cloudy. Highs in the 70s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 21 Mar San Francisco Bay Shoreline

Partly cloudy. Lows in the mid 50s. West Winds up to 5 Mph.

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  • Temperature Real-Time

San Francisco Bay - Sierra Point Marina Temperature Statistics

March Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 5 March, 2026

    46.7 °F

  • Average March

    61.5 °F

  • Highest 17 March, 2026

    85.6 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (3.7 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    66.6 °F
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