San Francisco Bay - Alameda Creek Entrance Weather Forecast

    • 59
    • 81

    Mostly Cloudy

    • 60
    • 77

    Partly Sunny

    • 59
    • 75

    Partly Sunny

    • 60
    • 73

    Partly Sunny

    • 59
    • 72

    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. Lows in the lower 60s. Northwest Winds 5 to 10 Mph.

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San Francisco Bay - Alameda Creek Entrance Temperature Statistics

August Temperature

Hayward, Hayward Air Terminal (4.3 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 (4.3 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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