Ossian Weather Forecast

    • 30
    • 51

    Increasing Clouds

    • 31
    • 51

    Partly Sunny

    • 35
    • 53

    Partly Sunny

    • 39
    • 56

    Mostly Cloudy

    • 40
    • 55

    Chance Rain

    • 30
    • 49

    Chance Rain

Today 13 Feb Winneshiek

Mostly sunny. Highs in the lower 50s. Light Winds.

Tonight 13 Feb Winneshiek

Mostly clear. Near steady temperature in the upper 20s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ossian Temperature Statistics

February Temperature

Decorah (9.3 miles)

  • Lowest 4 February, 2026

    3.2 °F

  • Average February

    24 °F

  • Highest 9 February, 2026

    41 °F

Climate (2021–Present)

Decorah (9.3 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    56.6 °F
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