Ossian Weather Forecast

    • 27
    • 44

    Mostly Sunny

    • 34
    • 42

    Rain

    • 34
    • 65

    Rain Likely

    • 31
    • 50

    Partly Sunny

    • 34
    • 53

    Mostly Cloudy

    • 28
    • 50

    Partly Sunny

    • 22
    • 47

    Mostly Sunny

Today 31 Mar Winneshiek

Mostly sunny. Highs in the lower 40s. North Winds 10 to 15 Mph.

Tonight 31 Mar Winneshiek

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

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Ossian Temperature Statistics

March Temperature

Decorah (9.3 miles)

  • Lowest 2 March, 2025

    10.4 °F

  • Average March

    40.6 °F

  • Highest 28 March, 2025

    82.4 °F

Climate (2020–Present)

Decorah (9.3 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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