San Francisco Bay - San Lorenzo Creek Entrance Weather Forecast

    • 59
    • 83

    Mostly Cloudy

    • 60
    • 77

    Partly Sunny

    • 60
    • 75

    Partly Sunny

    • 59
    • 73

    Partly Sunny

    • 60
    • 73

    Partly Sunny

    • 60
    • 73

    Partly Sunny

Today 21 Aug San Francisco Bay Shoreline

Partly cloudy. Highs in the upper 70s to lower 90s. West Winds around 5 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 21 Aug San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows around 60. West Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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San Francisco Bay - San Lorenzo Creek Entrance Temperature Statistics

August Temperature

Hayward, Hayward Air Terminal (2.5 miles)

  • Lowest 4 August, 2025

    56.6 °F

  • Average August

    64.9 °F

  • Highest 8 August, 2025

    84.7 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (2.5 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    59.3 °F

  • Average High 2020–2025

    69 °F
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