William Cann Neighborhood Park Weather Forecast

    • 53
    • 72

    Increasing Clouds

    • 54
    • 73

    Mostly Cloudy

    • 53
    • 66

    Mostly Cloudy

    • 52
    • 68

    Partly Sunny

    • 51
    • 67

    Slight Chance Rain

    • 53
    • 69

    Partly Sunny

Today 30 Apr San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 70s. West Winds up to 5 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 30 Apr San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. West Winds 5 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

William Cann Neighborhood Park Temperature Statistics

April Temperature

Hayward, Hayward Air Terminal (6.2 miles)

  • Lowest 3 April, 2026

    44.7 °F

  • Average April

    60.5 °F

  • Highest 5 April, 2026

    82.7 °F

Climate (2021–Present)

Hayward, Hayward Air Terminal (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    59.6 °F

  • Average High 2021–2026

    69.1 °F
Get WillyWeather+ to remove ads