Denton Lake Weather Forecast

    • 46
    • 68

    Mostly Sunny

    • 44
    • 70

    Mostly Sunny

    • 53
    • 74

    Partly Sunny

    • 55
    • 70

    Chance Rain Showers

    • 44
    • 69

    Chance Rain Showers

    • 41
    • 63

    Partly Sunny

Today 27 Sep Alpena

Sunny. Highs in the upper 60s. Northeast Winds up to 10 Mph.

Tonight 27 Sep Alpena

Mostly clear. Lows in the mid 40s. Light Winds.

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  • Temperature Real-Time

Denton Lake Temperature Statistics

September Temperature

Alpena, Alpena County Regional Airport (6.8 miles)

  • Lowest 24 September, 2026

    39.7 °F

  • Average September

    60.7 °F

  • Highest 1 September, 2026

    86.6 °F

Climate (2021–2026)

Alpena, Alpena County Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    36.8 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    56.2 °F
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