Hanover Weather Forecast

    • 31
    • 47

    Decreasing Clouds

    • 29
    • 51

    Mostly Sunny

    • 35
    • 55

    Mostly Sunny

    • 42
    • 59

    Mostly Cloudy

    • 44
    • 59

    Slight Chance Rain Showers

    • 43
    • 57

    Rain Showers Likely

    • 40
    • 56

    Chance Rain Showers

Today 22 Oct Allamakee

Cloudy. Near steady temperature in the mid 40s. Northwest Winds 10 to 15 Mph.

Tonight 22 Oct Allamakee

Mostly cloudy this Evening, then becoming partly cloudy. Areas of frost this Evening, then widespread frost after midnight. Colder with Lows in the lower 30s. Northwest Winds 5 to 10 Mph.

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Hanover Temperature Statistics

October Temperature

Decorah (11.8 miles)

  • Lowest 8 October, 2025

    35.6 °F

  • Average October

    59.7 °F

  • Highest 3 October, 2025

    87.8 °F

Climate (2020–Present)

Decorah (11.8 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    48.1 °F

  • Average High 2020–2025

    56.6 °F
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