Cull Canyon Regional Recreation Area Weather Forecast

    • 56
    • 67

    Mostly Cloudy

    • 55
    • 68

    Cloudy

    • 56
    • 70

    Mostly Cloudy

    • 55
    • 70

    Mostly Cloudy

    • 55
    • 70

    Mostly Cloudy

    • 55
    • 68

    Mostly Cloudy

    • 55
    • 73

    Partly Sunny

Today 21 Jul San Francisco Bay Shoreline

Partly cloudy. Highs near 70. West Winds 10 to 20 Mph.

Tonight 21 Jul San Francisco Bay Shoreline

Mostly cloudy. Lows in the upper 50s. West Winds 10 to 20 Mph.

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  • Temperature Real-Time

Cull Canyon Regional Recreation Area Temperature Statistics

July Temperature

Hayward, Hayward Air Terminal (5.6 miles)

  • Lowest 1 July, 2025

    54.6 °F

  • Average July

    62.6 °F

  • Highest 10 July, 2025

    83.6 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (5.6 miles)

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  • Average Low 2020–2025

    52.1 °F

  • Average 2020–2025

    59.4 °F

  • Average High 2020–2025

    69.1 °F
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