William Cann Neighborhood Park Weather Forecast

    • 51
    • 76

    Becoming Sunny

    • 52
    • 77

    Mostly Sunny

    • 51
    • 71

    Mostly Sunny

    • 54
    • 72

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

Today 14 May San Francisco Bay Shoreline

Sunny. Highs in the 70s. Southwest Winds up to 5 Mph increasing to west 10 to 20 Mph in the afternoon.

Tonight 14 May San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. Southwest Winds 10 to 20 Mph.

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William Cann Neighborhood Park Temperature Statistics

May Temperature

Hayward, Hayward Air Terminal (6.2 miles)

  • Lowest 11 May, 2026

    51.1 °F

  • Average May

    60.3 °F

  • Highest 11 May, 2026

    77 °F

Climate (2021–Present)

Hayward, Hayward Air Terminal (6.2 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    59.6 °F

  • Average High 2021–2026

    69.1 °F
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