Dewey Lake Weather Forecast

    • 30
    • 44

    Chance Rain/Snow

    • 15
    • 33

    Rain/Snow

    • 16
    • 24

    Snow Likely

    • 19
    • 31

    Snow

    • 10
    • 24

    Snow

    • 8
    • 18

    Chance Snow

Today 13 Jan Cass

Mostly cloudy in the Morning, then partly cloudy with a slight chance of rain in the afternoon. Highs in the mid 40s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 13 Jan Cass

Mostly cloudy. A slight chance of rain in the Evening, then a chance of rain and snow after midnight. Lows in the lower 30s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dewey Lake Temperature Statistics

January Temperature

Southwest Michigan Regional Airport (12.4 miles)

  • Lowest 1 January, 2026

    19.9 °F

  • Average January

    33.9 °F

  • Highest 8 January, 2026

    61 °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

    52.1 °F

  • Average High 2021–2026

    60.7 °F
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