Harpers Ferry Weather Forecast

    • 70
    • 85

    Rain Showers

    • 64
    • 84

    Partly Sunny

    • 65
    • 84

    Slight Chance Thunderstorms

    • 65
    • 87

    Chance Thunderstorms

    • 65
    • 87

    Chance Thunderstorms

    • 67
    • 87

    Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

Today 5 Jul Allamakee

Showers and scattered Thunderstorms. Near steady temperature in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 100 percent.

Tonight 5 Jul Allamakee

Mostly cloudy. Numerous Showers and scattered Thunderstorms this Evening, then scattered Showers after midnight. Lows in the upper 60s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harpers Ferry Temperature Statistics

July Temperature

Prairie Du Chien Municipal Airport (12.4 miles)

  • Lowest 2 July, 2025

    62.1 °F

  • Average July

    75.9 °F

  • Highest 3 July, 2025

    90.5 °F

Climate (2020–Present)

Prairie Du Chien Municipal Airport (12.4 miles)

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  • Average Low 2020–2025

    40.1 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    58.9 °F
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