Thurston Lake Weather Forecast

    • 46
    • 70

    Increasing Clouds

    • 43
    • 68

    Partly Sunny

    • 44
    • 72

    Mostly Sunny

    • 44
    • 72

    Partly Sunny

    • 45
    • 73

    Mostly Sunny

    • 54
    • 73

    Mostly Cloudy

Today 24 Sep Clare

Sunny. Highs in the upper 60s. East Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 24 Sep Clare

Partly cloudy. Lows in the mid 40s. East Winds 5 to 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Thurston Lake Temperature Statistics

September Temperature

Mount Pleasant, Mount Pleasant Municipal Airport (18.6 miles)

  • Lowest 14 September, 2026

    41 °F

  • Average September

    65.3 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Mount Pleasant, Mount Pleasant Municipal Airport (18.6 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    49 °F

  • Average High 2021–2026

    58.5 °F
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