Decorah Weather Forecast

    • 50
    • 74

    Increasing Clouds

    • 40
    • 65

    Slight Chance Rain Showers

    • 44
    • 61

    Chance Rain Showers

    • 49
    • 64

    Chance Rain Showers

    • 51
    • 66

    Chance Rain Showers

    • 51
    • 65

    Rain Showers Likely

Today 28 Oct Winneshiek

Mostly sunny. A slight chance of Showers this afternoon. Highs in the lower 70s. South Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 28 Oct Winneshiek

Showers with a chance of Thunderstorms. Lows around 50. South Winds 10 to 15 Mph, becoming west 5 to 10 Mph after midnight. Chance of rain 90 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Decorah Temperature Statistics

October Temperature

Decorah (2.5 miles)

  • Lowest 17 October, 2026

    32 °F

  • Average October

    58.7 °F

  • Highest 12 October, 2026

    87.8 °F

Climate (2021–2026)

Decorah (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    56.5 °F
Get WillyWeather+ to remove ads