San Francisco Bay - Sierra Point Marina Weather Forecast

    • 54
    • 70

    Mostly Sunny

    • 55
    • 71

    Mostly Sunny

    • 54
    • 72

    Mostly Sunny

    • 55
    • 69

    Mostly Cloudy

    • 58
    • 71

    Rain Likely

    • 56
    • 68

    Rain

    • 55
    • 68

    Partly Sunny

Today 31 Oct San Francisco Bay Shoreline

Sunny. Highs in the lower 70s. Northwest Winds 5 to 15 Mph.

Tonight 31 Oct San Francisco Bay Shoreline

Partly cloudy. Lows in the mid 50s. Southwest Winds 5 to 15 Mph.

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San Francisco Bay - Sierra Point Marina Temperature Statistics

October Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 14 October, 2025

    50 °F

  • Average October

    62 °F

  • Highest 6 October, 2025

    82.9 °F

Climate (2020–Present)

San Francisco, San Francisco International Airport (3.7 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    66.5 °F
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