Jacobs Lake Weather Forecast

    • 51
    • 69

    Mostly Cloudy

    • 48
    • 63

    Partly Sunny

    • 52
    • 65

    Partly Sunny

    • 57
    • 74

    Chance Rain Showers

    • 57
    • 76

    Chance Rain Showers

    • 55
    • 74

    Chance Rain Showers

Today 18 Sep Alpena

Partly sunny. Highs around 70. North Winds 5 to 15 Mph.

Tonight 18 Sep Alpena

Partly cloudy. Lows in the lower 50s. Northeast Winds up to 10 Mph.

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Jacobs Lake Temperature Statistics

September Temperature

Alpena, Alpena County Regional Airport (6.8 miles)

  • Lowest 8 September, 2025

    39 °F

  • Average September

    58.5 °F

  • Highest 13 September, 2025

    75.9 °F

Climate (2020–Present)

Alpena, Alpena County Regional Airport (6.8 miles)

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  • Average Low 2020–2025

    37.2 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.5 °F
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