San Francisco Bay - Sierra Point Marina Weather Forecast

    • 54
    • 69

    Mostly Cloudy

    • 52
    • 66

    Partly Sunny

    • 50
    • 64

    Mostly Cloudy

    • 54
    • 66

    Mostly Sunny

    • 56
    • 66

    Mostly Cloudy

    • 56
    • 67

    Slight Chance Rain

Today 29 Oct San Francisco Bay Shoreline

Mostly cloudy. Highs around 70. Light Winds. Becoming west 5 to 10 Mph in the afternoon.

Tonight 29 Oct San Francisco Bay Shoreline

Mostly cloudy. Lows in the lower 50s. West Winds 5 to 10 Mph. Becoming south after midnight.

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San Francisco Bay - Sierra Point Marina Temperature Statistics

October Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 12 October, 2026

    50.6 °F

  • Average October

    65 °F

  • Highest 3 October, 2026

    90.6 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (3.7 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    66.9 °F
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