Ossian Weather Forecast

    • 58
    • 74

    Increasing Clouds

    • 62
    • 75

    Partly Sunny

    • 69
    • 84

    Partly Sunny

    • 70
    • 89

    Partly Sunny

    • 67
    • 89

    Partly Sunny

    • 65
    • 86

    Partly Sunny

Today 23 Jul Winneshiek

Mostly sunny. Highs in the mid 70s. Southwest Winds around 5 Mph.

Tonight 23 Jul Winneshiek

Mostly cloudy. Lows in the upper 50s. Light Winds.

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Ossian Temperature Statistics

July Temperature

Decorah (9.3 miles)

  • Lowest 6 July, 2026

    62.6 °F

  • Average July

    74 °F

  • Highest 7 July, 2026

    86 °F

Climate (2021–2026)

Decorah (9.3 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    56.7 °F
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