William Cann Neighborhood Park Weather Forecast

    • 53
    • 68

    Increasing Clouds

    • 54
    • 71

    Partly Sunny

    • 54
    • 73

    Mostly Sunny

    • 56
    • 74

    Partly Sunny

    • 56
    • 74

    Partly Sunny

    • 56
    • 78

    Partly Sunny

Today 4 Jul San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the mid 60s to lower 70s. West Winds 10 to 20 Mph with Gusts to around 35 Mph.

Tonight 4 Jul San Francisco Bay Shoreline

Mostly clear. Lows in the mid 50s. West Winds 10 to 20 Mph.

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William Cann Neighborhood Park Temperature Statistics

July Temperature

Hayward, Hayward Air Terminal (6.2 miles)

  • Lowest 1 July, 2025

    55 °F

  • Average July

    62 °F

  • Highest 1 July, 2025

    73.9 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (6.2 miles)

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  • Average Low 2020–2025

    52.1 °F

  • Average 2020–2025

    59.4 °F

  • Average High 2020–2025

    69.2 °F
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