Ossian Weather Forecast

    • 21
    • 43

    Decreasing Clouds

    • 34
    • 42

    Rain Showers Likely

    • 38
    • 62

    Rain Showers Likely

    • 36
    • 55

    Chance Rain Showers

    • 36
    • 55

    Partly Sunny

    • 50
    • 57

    Rain Showers

    • 58
    • 69

    Rain Showers

Today 6 Apr Winneshiek

Mostly sunny and Colder. Near steady temperature in the upper 30s. Northwest Winds 10 to 15 Mph.

Tonight 6 Apr Winneshiek

Partly cloudy. Colder with Lows around 20. North Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ossian Temperature Statistics

April Temperature

Decorah (9.3 miles)

  • Lowest 2 April, 2026

    32 °F

  • Average April

    38.1 °F

  • Highest 1 April, 2026

    48.2 °F

Climate (2021–Present)

Decorah (9.3 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    56.7 °F
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