Decorah Municipal Airport Weather Forecast

    • 54
    • 68

    Rain Showers Likely

    • 55
    • 75

    Partly Sunny

    • 60
    • 75

    Rain Showers

    • 57
    • 74

    Slight Chance Thunderstorms

    • 56
    • 74

    Partly Sunny

    • 61
    • 76

    Slight Chance Thunderstorms

Today 21 Jun Winneshiek

Mostly cloudy. A chance of Showers in the Morning, then Showers likely in the afternoon. Highs around 70. East Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 21 Jun Winneshiek

Mostly cloudy. Lows in the mid 50s. Light Winds.

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Decorah Municipal Airport Temperature Statistics

June Temperature

Decorah (0 miles)

  • Lowest 15 June, 2026

    51.8 °F

  • Average June

    68.2 °F

  • Highest 4 June, 2026

    82.4 °F

Climate (2021–2026)

Decorah (0 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    56.8 °F
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