Thompson Lake Weather Forecast

    • 44
    • 70

    Mostly Sunny

    • 46
    • 71

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 56
    • 72

    Chance Rain Showers

    • 61
    • 70

    Chance Rain Showers

    • 56
    • 71

    Chance Rain Showers

Today 26 Sep St. Joseph

Sunny. Highs around 70. Northeast Winds around 5 Mph.

Tonight 26 Sep St. Joseph

Clear. Lows in the mid 40s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Thompson Lake Temperature Statistics

September Temperature

Sturgis, Kirsch Municipal Airport (2.5 miles)

  • Lowest 14 September, 2026

    46.4 °F

  • Average September

    68.4 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Sturgis, Kirsch Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.7 °F
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