Fort Atkinson Weather Forecast

    • 41
    • 59

    Rain Likely

    • 44
    • 61

    Partly Sunny

    • 44
    • 59

    Chance Rain Showers

    • 46
    • 61

    Chance Rain Showers

    • 50
    • 70

    Mostly Cloudy

    • 56
    • 78

    Partly Sunny

Today 19 May Winneshiek

Rain this morning. Much cooler with Highs in the upper 50s. Northwest Winds 10 to 20 Mph. Chance of rain 100 percent.

Tonight 19 May Winneshiek

Mostly cloudy in the Evening, then becoming partly cloudy. Colder with Lows in the lower 40s. Northwest Winds 10 to 15 Mph.

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  • Temperature Real-Time

Fort Atkinson Temperature Statistics

May Temperature

Decorah (13.7 miles)

  • Lowest 2 May, 2026

    32 °F

  • Average May

    56 °F

  • Highest 15 May, 2026

    86 °F

Climate (2021–Present)

Decorah (13.7 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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