San Francisco Bay - Oyster Point Marina Weather Forecast

    • 60
    • 73

    Increasing Clouds

    • 60
    • 71

    Partly Sunny

    • 59
    • 75

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 59
    • 77

    Mostly Sunny

    • 58
    • 75

    Mostly Sunny

Today 12 Sep San Francisco Bay Shoreline

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

Tonight 12 Sep San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s. West Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Oyster Point Marina Temperature Statistics

September Temperature

San Francisco, San Francisco International Airport (3.1 miles)

  • Lowest 1 September, 2025

    57 °F

  • Average September

    65.6 °F

  • Highest 8 September, 2025

    77 °F

Climate (2020–Present)

San Francisco, San Francisco International Airport (3.1 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    66.7 °F
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