Grey Lake Weather Forecast

    • 44
    • 68

    Decreasing Clouds

    • 44
    • 69

    Mostly Sunny

    • 47
    • 71

    Mostly Sunny

    • 50
    • 71

    Mostly Sunny

    • 60
    • 71

    Chance Rain Showers

    • 62
    • 71

    Chance Rain Showers

Today 25 Sep St. Joseph

Partly cloudy Early, then becoming mostly cloudy. Highs in the upper 60s. Northeast Winds around 5 Mph.

Tonight 25 Sep St. Joseph

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grey Lake Temperature Statistics

September Temperature

Sturgis, Kirsch Municipal Airport (1.9 miles)

  • Lowest 14 September, 2026

    46.4 °F

  • Average September

    68.8 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Sturgis, Kirsch Municipal Airport (1.9 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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