Dewey Lake Weather Forecast

    • 73
    • 91

    Slight Chance Thunderstorms

    • 73
    • 94

    Slight Chance Rain Showers

    • 70
    • 89

    Chance Rain Showers

    • 68
    • 87

    Chance Thunderstorms

    • 64
    • 84

    Chance Rain Showers

    • 62
    • 83

    Slight Chance Rain Showers

Today 1 Sep Cass

Mostly sunny with a slight chance of Showers and Thunderstorms. Hot with Highs in the lower 90s. West Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent. Heat index Values up to 100.

Tonight 1 Sep Cass

Partly cloudy in the Evening, then clearing. A slight chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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Dewey Lake Temperature Statistics

September Temperature

Southwest Michigan Regional Airport (12.4 miles)

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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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