Decorah Weather Forecast

    • 6
    • 22

    Mostly Sunny

    • 17
    • 30

    Mostly Cloudy

    • 29
    • 38

    Partly Sunny

    • 32
    • 45

    Slight Chance Rain

    • 31
    • 45

    Chance Rain

    • 27
    • 44

    Chance Rain/Snow

Today 21 Feb Winneshiek

Sunny. Highs around 20. Southwest Winds 10 to 15 Mph.

Tonight 21 Feb Winneshiek

Mostly clear in the Evening, then becoming partly cloudy. Not as cold with Lows around 6 above. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decorah Temperature Statistics

February Temperature

Decorah (2.5 miles)

  • Lowest 18 February, 2025

    -14.8 °F

  • Average February

    13.2 °F

  • Highest 2 February, 2025

    39.2 °F

Climate (2020–Present)

Decorah (2.5 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    47.8 °F

  • Average High 2020–2025

    56.2 °F
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