Dewey Lake Weather Forecast

    • 28
    • 57

    Mostly Cloudy

    • 22
    • 36

    Rain/Snow

    • 24
    • 31

    Snow Showers Likely

    • 29
    • 37

    Partly Sunny

    • 28
    • 42

    Rain/Snow Likely

    • 16
    • 34

    Rain/Snow Likely

    • 18
    • 26

    Chance Snow Showers

Today 9 Jan Cass

Partly cloudy. Near steady temperature around 40. Temperature falling into the upper 30s late. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 Jan Cass

Cloudy. Much cooler with Lows in the upper 20s. North Winds around 5 Mph, becoming east.

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Dewey Lake Temperature Statistics

January Temperature

Southwest Michigan Regional Airport (12.4 miles)

  • Lowest 1 January, 2026

    19.9 °F

  • Average January

    30.3 °F

  • Highest 6 January, 2026

    41 °F

Climate (2021–Present)

Southwest Michigan Regional Airport (12.4 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    60.6 °F
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