Mariners Island Park Weather Forecast

    • 59
    • 81

    Mostly Sunny

    • 58
    • 80

    Partly Sunny

    • 59
    • 77

    Partly Sunny

    • 59
    • 77

    Partly Sunny

    • 59
    • 76

    Partly Sunny

    • 58
    • 75

    Partly Sunny

Today 20 Aug San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the 70s to mid 80s. West Winds around 5 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 20 Aug San Francisco Bay Shoreline

Mostly clear. Lows around 60. West Winds 10 to 20 Mph. Becoming southwest 5 to 10 Mph after midnight.

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Mariners Island Park Temperature Statistics

August Temperature

San Carlos Airport (3.7 miles)

  • Lowest 2 August, 2025

    57.2 °F

  • Average August

    68.1 °F

  • Highest 6 August, 2025

    87.8 °F

Climate (2020–Present)

San Carlos Airport (3.7 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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