William Cann Neighborhood Park Weather Forecast

    • 53
    • 70

    Chance Rain Showers

    • 52
    • 67

    Mostly Cloudy

    • 50
    • 71

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 55
    • 78

    Partly Sunny

Today 28 May San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. A chance of rain in the morning. Highs around 70. Southeast Winds 5 to 15 Mph.

Tonight 28 May San Francisco Bay Shoreline

Partly cloudy. Lows in the lower 50s. West Winds 10 to 15 Mph. Becoming southwest up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

William Cann Neighborhood Park Temperature Statistics

May Temperature

Hayward, Hayward Air Terminal (6.2 miles)

  • Lowest 16 May, 2026

    50.6 °F

  • Average May

    62.1 °F

  • Highest 19 May, 2026

    84.7 °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

    69.2 °F
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