Dewey Lake Weather Forecast

    • 51
    • 66

    Slight Chance Rain Showers

    • 52
    • 60

    Rain Showers

    • 38
    • 55

    Rain Showers

    • 36
    • 57

    Mostly Sunny

    • 44
    • 64

    Partly Sunny

    • 45
    • 65

    Mostly Cloudy

Today 14 Oct Cass

Mostly cloudy with a chance of Showers in the Morning, then partly cloudy in the afternoon. Cooler. Near steady temperature in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 14 Oct Cass

Partly cloudy. Lows in the lower 50s. Northeast Winds 5 to 10 Mph.

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Dewey Lake Temperature Statistics

October Temperature

Southwest Michigan Regional Airport (12.4 miles)

  • Lowest 6 October, 2026

    41 °F

  • Average October

    59.1 °F

  • Highest 10 October, 2026

    77 °F

Climate (2021–2026)

Southwest Michigan Regional Airport (12.4 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    60.7 °F
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