Thurston Lake Weather Forecast

    • 54
    • 79

    Decreasing Clouds

    • 53
    • 83

    Mostly Sunny

    • 51
    • 83

    Mostly Sunny

    • 54
    • 86

    Mostly Sunny

    • 54
    • 87

    Mostly Sunny

    • 56
    • 85

    Mostly Cloudy

Today 13 Sep Clare

Mostly sunny with a 20 percent chance of Showers. Highs around 80. Light Winds.

Tonight 13 Sep Clare

Mostly clear. Lows in the lower 50s. Light Winds.

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Thurston Lake Temperature Statistics

September Temperature

Mount Pleasant, Mount Pleasant Municipal Airport (18.6 miles)

  • Lowest 8 September, 2025

    37.4 °F

  • Average September

    58.3 °F

  • Highest 2 September, 2025

    80.1 °F

Climate (2020–Present)

Mount Pleasant, Mount Pleasant Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    58.4 °F
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