Harpers Ferry Weather Forecast

    • 49
    • 78

    Mostly Sunny

    • 54
    • 77

    Mostly Cloudy

    • 53
    • 76

    Mostly Cloudy

    • 48
    • 70

    Partly Sunny

Today 22 Oct Allamakee

Patchy fog this morning. Mostly sunny. Highs in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 22 Oct Allamakee

Partly cloudy. Lows around 50. Southeast Winds around 5 Mph.

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  • Temperature Real-Time

Harpers Ferry Temperature Statistics

October Temperature

Prairie Du Chien Municipal Airport (12.4 miles)

  • Lowest 19 October, 2026

    40.1 °F

  • Average October

    56.7 °F

  • Highest 6 October, 2026

    78.8 °F

Climate (2021–2026)

Prairie Du Chien Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    59.4 °F
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