Ossian Weather Forecast

    • 59
    • 81

    Increasing Clouds

    • 62
    • 81

    Rain Showers

    • 61
    • 81

    Rain Showers Likely

    • 62
    • 84

    Partly Sunny

    • 63
    • 83

    Chance Rain Showers

    • 64
    • 85

    Chance Thunderstorms

    • 65
    • 87

    Slight Chance Thunderstorms

Today 3 Jun Winneshiek

Mostly sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 3 Jun Winneshiek

Mostly clear this Evening, then becoming mostly cloudy. Lows around 60. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ossian Temperature Statistics

June Temperature

Decorah (9.3 miles)

  • Lowest 1 June, 2026

    57.2 °F

  • Average June

    67 °F

  • Highest 1 June, 2026

    75.2 °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

    56.9 °F
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