Harpers Ferry Weather Forecast

    • 63
    • 88

    Mostly Sunny

    • 63
    • 87

    Rain Showers

    • 60
    • 75

    Rain Showers

    • 61
    • 82

    Slight Chance Thunderstorms

    • 61
    • 83

    Mostly Sunny

    • 63
    • 86

    Mostly Sunny

Today 29 Jul Allamakee

Sunny. Patchy smoke this afternoon. Highs in the upper 80s. South Winds around 5 Mph.

Tonight 29 Jul Allamakee

Mostly clear in the Evening, then becoming partly cloudy. Patchy smoke. Humid with Lows in the lower 60s. Light Winds.

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  • Temperature Real-Time

Harpers Ferry Temperature Statistics

July Temperature

Prairie Du Chien Municipal Airport (12.4 miles)

  • Lowest 23 July, 2026

    51.8 °F

  • Average July

    75.6 °F

  • Highest 27 July, 2026

    96.3 °F

Climate (2021–2026)

Prairie Du Chien Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59.5 °F
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