Hanover Weather Forecast

    • 42
    • 64

    Mostly Cloudy

    • 47
    • 76

    Partly Sunny

    • 27
    • 52

    Partly Sunny

    • 37
    • 48

    Mostly Cloudy

    • 33
    • 54

    Mostly Cloudy

    • 40
    • 53

    Mostly Cloudy

Today 20 Mar Allamakee

Partly sunny. Highs in the mid 60s. Northwest Winds 5 to 10 Mph.

Tonight 20 Mar Allamakee

Mostly cloudy. Lows in the lower 40s. Northeast Winds around 5 Mph, becoming southeast after midnight.

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Hanover Temperature Statistics

March Temperature

Decorah (11.8 miles)

  • Lowest 16 March, 2026

    8.6 °F

  • Average March

    36.3 °F

  • Highest 9 March, 2026

    68 °F

Climate (2021–Present)

Decorah (11.8 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    56.7 °F
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