Decker Lake Weather Forecast

    • 54
    • 82

    Chance Thunderstorms

    • 48
    • 71

    Mostly Cloudy

    • 51
    • 74

    Partly Sunny

    • 57
    • 80

    Chance Rain Showers

    • 56
    • 79

    Chance Rain Showers

    • 54
    • 77

    Chance Rain Showers

Today 18 Sep Clare

Patchy fog in the morning. Mostly sunny in the Morning, then partly sunny with a 40 percent chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. Light Winds becoming northwest 5 to 10 Mph in the afternoon.

Tonight 18 Sep Clare

Partly cloudy. Lows in the mid 50s. Light Winds.

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Decker Lake Temperature Statistics

September Temperature

Houghton Lake, Roscommon County Airport (21.7 miles)

  • Lowest 8 September, 2025

    32 °F

  • Average September

    57.7 °F

  • Highest 14 September, 2025

    80.1 °F

Climate (2020–Present)

Houghton Lake, Roscommon County Airport (21.7 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    46.1 °F

  • Average High 2020–2025

    55.6 °F
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