San Francisco Bay - Sierra Point Marina Weather Forecast

    • 58
    • 78

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 59
    • 77

    Partly Sunny

    • 60
    • 71

    Mostly Sunny

    • 61
    • 72

    Mostly Sunny

    • 59
    • 68

    Mostly Sunny

Today 4 Aug San Francisco Bay Shoreline

Sunny. Haze in the morning. Highs in the 80s. Northwest Winds up to 5 Mph increasing to 5 to 15 Mph in the afternoon.

Tonight 4 Aug 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

August Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 1 August, 2026

    57 °F

  • Average August

    64.4 °F

  • Highest 1 August, 2026

    73 °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

    58.7 °F

  • Average High 2021–2026

    66.8 °F
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