San Francisco Bay - Sierra Point Marina Weather Forecast

    • 58
    • 72

    Mostly Cloudy

    • 58
    • 68

    Mostly Cloudy

    • 58
    • 68

    Mostly Cloudy

    • 58
    • 68

    Mostly Cloudy

    • 58
    • 67

    Mostly Cloudy

    • 58
    • 68

    Mostly Cloudy

Today 12 Aug San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. Highs in the 70s to lower 80s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 12 Aug San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows around 60. West Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Sierra Point Marina Temperature Statistics

August Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 3 August, 2026

    56.6 °F

  • Average August

    65.3 °F

  • Highest 2 August, 2026

    80.7 °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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