Decorah Weather Forecast

    • 25
    • 43

    Mostly Sunny

    • 35
    • 44

    Rain/Snow

    • 34
    • 66

    Chance Rain

    • 30
    • 51

    Partly Sunny

    • 32
    • 54

    Mostly Cloudy

    • 30
    • 56

    Partly Sunny

Today 31 Mar Winneshiek

Mostly sunny. Highs in the lower 40s. North Winds 5 to 10 Mph.

Tonight 31 Mar Winneshiek

Partly cloudy. Lows in the mid 20s. North Winds 5 to 10 Mph, becoming east after midnight.

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Decorah Temperature Statistics

March Temperature

Decorah (2.5 miles)

  • Lowest 2 March, 2025

    10.4 °F

  • Average March

    40.3 °F

  • Highest 28 March, 2025

    82.4 °F

Climate (2020–Present)

Decorah (2.5 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    56.4 °F
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