San Francisco Bay - Sierra Point Marina Weather Forecast

    • 51
    • 64

    Becoming Sunny

    • 51
    • 66

    Partly Sunny

    • 51
    • 65

    Mostly Cloudy

    • 54
    • 62

    Partly Sunny

    • 52
    • 59

    Chance Rain

    • 53
    • 62

    Mostly Sunny

Today 27 Oct San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 60s. West Winds 10 to 20 Mph.

Tonight 27 Oct San Francisco Bay Shoreline

Mostly clear except patchy fog after midnight. Lows in the mid 40s to lower 50s. West Winds 10 to 20 Mph becoming northeast 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 12 October, 2026

    50.6 °F

  • Average October

    65.3 °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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