Harpers Ferry Weather Forecast

    • 25
    • 48

    Becoming Sunny

    • 34
    • 51

    Partly Sunny

    • 38
    • 58

    Mostly Cloudy

    • 44
    • 66

    Mostly Cloudy

    • 27
    • 66

    Mostly Cloudy

    • 25
    • 45

    Mostly Sunny

    • 33
    • 54

    Partly Sunny

Today 22 Mar Allamakee

Mostly cloudy and much cooler. Near steady temperature in the lower 40s. North Winds 10 to 15 Mph.

Tonight 22 Mar Allamakee

Partly cloudy this Evening, then clearing. Much Colder with Lows in the mid 20s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harpers Ferry Temperature Statistics

March Temperature

Prairie Du Chien Municipal Airport (12.4 miles)

  • Lowest 1 March, 2026

    9.7 °F

  • Average March

    39.1 °F

  • Highest 20 March, 2026

    68.9 °F

Climate (2021–Present)

Prairie Du Chien Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    59.5 °F
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