Bay-O-Vista Weather Forecast

    • 58
    • 78

    Increasing Clouds

    • 58
    • 76

    Partly Sunny

    • 59
    • 81

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 59
    • 77

    Partly Sunny

    • 59
    • 79

    Partly Sunny

Today 28 Aug San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Highs in the 70s to lower 80s. West Winds up to 5 Mph increasing to 5 to 15 Mph in the afternoon.

Tonight 28 Aug San Francisco Bay Shoreline

Mostly cloudy. Lows in the upper 50s. Light Winds.

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Bay-O-Vista Temperature Statistics

August Temperature

Hayward, Hayward Air Terminal (4.3 miles)

  • Lowest 4 August, 2025

    56.6 °F

  • Average August

    65.2 °F

  • Highest 20 August, 2025

    85.6 °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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