Decker Lake Weather Forecast

    • 37
    • 63

    Becoming Sunny

    • 41
    • 70

    Mostly Sunny

    • 50
    • 75

    Partly Sunny

    • 50
    • 79

    Partly Sunny

    • 41
    • 73

    Mostly Sunny

    • 44
    • 72

    Partly Sunny

Today 7 Sep Clare

Partly sunny with a 20 percent chance of rain Showers until Midday, then mostly sunny in the afternoon. Highs in the lower 60s. Northwest Winds around 10 Mph with Gusts to around 20 Mph.

Tonight 7 Sep Clare

Mostly clear. Lows in the upper 30s. Light Winds.

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Decker Lake Temperature Statistics

September Temperature

Houghton Lake, Roscommon County Airport (21.7 miles)

  • Lowest 4 September, 2025

    42.1 °F

  • Average September

    58.3 °F

  • Highest 2 September, 2025

    78.1 °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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