Decorah Weather Forecast

    • 65
    • 80

    Chance Thunderstorms

    • 67
    • 84

    Rain Showers Likely

    • 63
    • 85

    Rain Showers

    • 61
    • 80

    Chance Thunderstorms

    • 63
    • 83

    Chance Rain Showers

    • 71
    • 86

    Chance Thunderstorms

Today 15 Jun Winneshiek

Cloudy with a chance of Thunderstorms. Numerous Showers this Morning, then a chance of Showers this afternoon. Highs in the upper 70s. South Winds around 5 Mph. Chance of rain 70 percent.

Tonight 15 Jun Winneshiek

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the mid 60s. South Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decorah Temperature Statistics

June Temperature

Decorah (2.5 miles)

  • Lowest 1 June, 2025

    50 °F

  • Average June

    66.2 °F

  • Highest 2 June, 2025

    87.8 °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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