Harpers Ferry Weather Forecast

    • 53
    • 75

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

    • 62
    • 82

    Mostly Sunny

    • 70
    • 89

    Mostly Sunny

    • 70
    • 93

    Mostly Sunny

    • 66
    • 91

    Mostly Sunny

Today 22 Jul Allamakee

Mostly sunny. Highs in the mid 70s. North Winds around 5 Mph.

Tonight 22 Jul Allamakee

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 50s. North Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Harpers Ferry Temperature Statistics

July Temperature

Prairie Du Chien Municipal Airport (12.4 miles)

  • Lowest 12 July, 2026

    62.1 °F

  • Average July

    76.4 °F

  • Highest 17 July, 2026

    91.9 °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

    59.6 °F
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