San Francisco Bay - Sierra Point Marina Weather Forecast

    • 58
    • 80

    Mostly Sunny

    • 57
    • 73

    Mostly Sunny

    • 53
    • 63

    Mostly Sunny

    • 55
    • 66

    Mostly Sunny

    • 55
    • 65

    Mostly Sunny

    • 55
    • 64

    Mostly Sunny

    • 57
    • 67

    Mostly Sunny

Today 8 Oct San Francisco Bay Shoreline

Sunny. Highs in the 70s to upper 80s. Light Winds. Becoming northwest 5 to 15 Mph in the afternoon.

Tonight 8 Oct San Francisco Bay Shoreline

Mostly clear. Lows around 60. West Winds 10 to 15 Mph decreasing to up to 5 Mph 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 1 October, 2026

    54.6 °F

  • Average October

    67.8 °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

    52.5 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    66.8 °F
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