Dewey Lake Weather Forecast

    • 53
    • 71

    Partly Sunny

    • 44
    • 66

    Partly Sunny

    • 54
    • 69

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 52
    • 73

    Chance Rain Showers

Today 7 Oct Cass

Mostly sunny. Highs in the lower 70s. Southwest Winds around 10 Mph, becoming west in the afternoon. Gusts up to 20 Mph.

Tonight 7 Oct Cass

Mostly clear. Lows in the lower 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dewey Lake Temperature Statistics

October Temperature

Southwest Michigan Regional Airport (12.4 miles)

  • Lowest 3 October, 2026

    42.1 °F

  • Average October

    58.3 °F

  • Highest 1 October, 2026

    73.7 °F

Climate (2021–2026)

Southwest Michigan Regional Airport (12.4 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    60.7 °F
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