Hanover Weather Forecast

    • 35
    • 62

    Mostly Sunny

    • 48
    • 64

    Chance Rain Showers

    • 48
    • 77

    Mostly Sunny

    • 42
    • 66

    Mostly Sunny

    • 53
    • 72

    Chance Rain Showers

    • 57
    • 81

    Partly Sunny

Today 10 May Allamakee

Mostly sunny. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 10 May Allamakee

Mostly clear. Areas of frost after midnight. Lows in the mid 30s. North Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Hanover Temperature Statistics

May Temperature

Decorah (11.8 miles)

  • Lowest 2 May, 2026

    32 °F

  • Average May

    50.3 °F

  • Highest 4 May, 2026

    75.2 °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

    56.8 °F
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