San Francisco Bay - South San Francisco Weather Forecast

    • 57
    • 72

    Increasing Clouds

    • 58
    • 72

    Partly Sunny

    • 59
    • 71

    Partly Sunny

    • 59
    • 71

    Partly Sunny

    • 58
    • 72

    Partly Sunny

    • 58
    • 73

    Partly Sunny

    • 58
    • 72

    Mostly Sunny

Today 22 Aug San Francisco Bay Shoreline

Partly cloudy late in the morning then becoming sunny. Highs in the 70s to mid 80s. Northwest Winds 10 to 20 Mph.

Tonight 22 Aug San Francisco Bay Shoreline

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

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San Francisco Bay - South San Francisco Temperature Statistics

August Temperature

San Francisco, San Francisco International Airport (3.1 miles)

  • Lowest 2 August, 2025

    56.6 °F

  • Average August

    63.6 °F

  • Highest 6 August, 2025

    81.6 °F

Climate (2020–Present)

San Francisco, San Francisco International Airport (3.1 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    66.6 °F
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