San Francisco Bay - Sierra Point Marina Weather Forecast

    • 58
    • 72

    Increasing Clouds

    • 58
    • 74

    Mostly Cloudy

    • 57
    • 71

    Mostly Cloudy

    • 58
    • 70

    Mostly Cloudy

    • 58
    • 67

    Partly Sunny

    • 59
    • 68

    Partly Sunny

    • 58
    • 66

    Partly Sunny

Today 22 Aug San Francisco Bay Shoreline

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

Tonight 22 Aug San Francisco Bay Shoreline

Partly cloudy late in the evening then becoming mostly cloudy. Lows in the upper 50s. East Winds 10 to 20 Mph. Becoming west 10 to 15 Mph after midnight.

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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 20 August, 2026

    55.9 °F

  • Average August

    65.1 °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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