Ossian Weather Forecast

    • 44
    • 54

    Rain Showers

    • 29
    • 49

    Breezy

    • 40
    • 55

    Sunny

    • 44
    • 61

    Mostly Sunny

    • 44
    • 64

    Partly Sunny

    • 48
    • 67

    Partly Sunny

Today 15 Oct Winneshiek

Partly sunny with a 30 percent chance of Showers. Highs around 70.

Tonight 15 Oct Winneshiek

Rain Showers this Evening, then a slight chance of rain Showers after midnight. Lows in the mid 40s. Northwest Winds 10 to 20 Mph with Gusts up to 35 Mph. Chance of rain 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ossian Temperature Statistics

October Temperature

Decorah (9.3 miles)

  • Lowest 2 October, 2026

    41 °F

  • Average October

    62.1 °F

  • Highest 12 October, 2026

    87.8 °F

Climate (2021–2026)

Decorah (9.3 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    56.4 °F
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