Alpena Weather Forecast

    • 58
    • 83

    Increasing Clouds

    • 58
    • 77

    Mostly Cloudy

    • 57
    • 71

    Chance Rain Showers

    • 59
    • 75

    Partly Sunny

    • 58
    • 75

    Rain Showers Likely

    • 52
    • 70

    Rain Showers Likely

Today 29 Oct Boone County Except Southwest

Mostly sunny. Highs in the lower 80s. South Winds around 5 Mph.

Tonight 29 Oct Boone County Except Southwest

Mostly cloudy. Lows in the mid 50s. South Winds around 5 Mph in the Evening, becoming light and variable.

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Alpena Temperature Statistics

October Temperature

Harrison, Boone County Airport (7.5 miles)

  • Lowest 18 October, 2026

    39.7 °F

  • Average October

    67.5 °F

  • Highest 11 October, 2026

    92.6 °F

Climate (2021–2026)

Harrison, Boone County Airport (7.5 miles)

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  • Average Low 2021–2026

    50.4 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    71.9 °F
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