Hanover Weather Forecast

    • 66
    • 78

    Rain Showers Likely

    • 67
    • 83

    Chance Rain Showers

    • 59
    • 80

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 63
    • 80

    Rain Showers Likely

    • 58
    • 77

    Slight Chance Thunderstorms

Today 14 Aug Allamakee

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers late this Morning, then a chance of Showers this afternoon. Highs in the upper 70s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 14 Aug Allamakee

Showers likely with a chance of Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. East Winds 5 to 10 Mph. Chance of rain 70 percent.

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Hanover Temperature Statistics

August Temperature

Decorah (11.8 miles)

  • Lowest 12 August, 2026

    69.8 °F

  • Average August

    77.5 °F

  • Highest 12 August, 2026

    84.2 °F

Climate (2021–2026)

Decorah (11.8 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    56.4 °F
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