San Francisco Bay - Sierra Point Marina Weather Forecast

    • 56
    • 72

    Partly Sunny

    • 52
    • 63

    Mostly Sunny

    • 53
    • 65

    Mostly Sunny

    • 55
    • 68

    Mostly Sunny

    • 55
    • 65

    Mostly Sunny

    • 56
    • 68

    Mostly Sunny

    • 59
    • 73

    Mostly Sunny

Today 9 Oct San Francisco Bay Shoreline

Sunny. Highs in the 70s to lower 80s. West Winds 10 to 20 Mph.

Tonight 9 Oct San Francisco Bay Shoreline

Partly cloudy. Lows in the upper 50s. Southwest Winds 10 to 20 Mph.

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  • Temperature Real-Time

San Francisco Bay - Sierra Point Marina Temperature Statistics

October Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 1 October, 2026

    54.6 °F

  • Average October

    67 °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

    66.8 °F
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