Quarry Lakes Regional Recreation Area Weather Forecast

    • 64
    • 87

    Increasing Clouds

    • 64
    • 80

    Chance Rain Showers

    • 62
    • 78

    Chance Rain Showers

    • 61
    • 78

    Partly Sunny

    • 62
    • 81

    Mostly Sunny

    • 64
    • 87

    Partly Sunny

    • 63
    • 77

    Chance Rain Showers

Today 17 Sep San Francisco Bay Shoreline

Sunny. Highs in the 70s to upper 80s. Northwest Winds 5 to 15 Mph.

Tonight 17 Sep San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s. West Winds 10 to 15 Mph decreasing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Quarry Lakes Regional Recreation Area Temperature Statistics

September Temperature

Hayward, Hayward Air Terminal (8.1 miles)

  • Lowest 1 September, 2025

    60.1 °F

  • Average September

    66.6 °F

  • Highest 15 September, 2025

    84.9 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (8.1 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    59.3 °F

  • Average High 2020–2025

    69 °F
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