Harpers Ferry Weather Forecast

    • 54
    • 73

    Rain Showers

    • 51
    • 75

    Partly Sunny

    • 54
    • 78

    Slight Chance Thunderstorms

    • 56
    • 79

    Chance Thunderstorms

    • 55
    • 76

    Chance Thunderstorms

    • 55
    • 77

    Partly Sunny

Today 17 Jun Allamakee

Showers with a slight chance of Thunderstorms in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Highs in the lower 70s. South Winds 10 to 15 Mph. Chance of rain 100 percent.

Tonight 17 Jun Allamakee

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows in the mid 50s. West Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harpers Ferry Temperature Statistics

June Temperature

Prairie Du Chien Municipal Airport (12.4 miles)

  • Lowest 3 June, 2026

    50.2 °F

  • Average June

    70.6 °F

  • Highest 4 June, 2026

    87.3 °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

    50 °F

  • Average High 2021–2026

    59.5 °F
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