San Francisco Bay - Bay Slough Weather Forecast

    • 59
    • 75

    Decreasing Clouds

    • 58
    • 72

    Mostly Cloudy

    • 57
    • 73

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

Today 16 Aug San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. Highs in the 70s. West Winds 10 to 20 Mph.

Tonight 16 Aug San Francisco Bay Shoreline

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

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San Francisco Bay - Bay Slough Temperature Statistics

August Temperature

San Carlos Airport (1.9 miles)

  • Lowest 2 August, 2025

    57.2 °F

  • Average August

    68.6 °F

  • Highest 6 August, 2025

    87.8 °F

Climate (2020–Present)

San Carlos Airport (1.9 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    56.5 °F

  • Average High 2020–2025

    68.2 °F
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