Cull Canyon Regional Recreation Area Weather Forecast

    • 60
    • 78

    Mostly Cloudy

    • 63
    • 88

    Partly Sunny

    • 61
    • 84

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 57
    • 78

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

Today 20 Jul San Francisco Bay Shoreline

Mostly cloudy. A slight chance of Showers. Highs in the 70s to lower 80s. Northwest Winds 5 to 15 Mph.

Tonight 20 Jul San Francisco Bay Shoreline

Mostly cloudy. A slight chance of Showers. Lows in the lower 60s. Northwest Winds 5 to 10 Mph.

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Cull Canyon Regional Recreation Area Temperature Statistics

July Temperature

Hayward, Hayward Air Terminal (5.6 miles)

  • Lowest 11 July, 2026

    54.6 °F

  • Average July

    65.5 °F

  • Highest 14 July, 2026

    90.6 °F

Climate (2021–2026)

Hayward, Hayward Air Terminal (5.6 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    69.2 °F
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