Frankville Weather Forecast

    • 44
    • 59

    Mostly Cloudy

    • 49
    • 63

    Mostly Cloudy

    • 50
    • 72

    Mostly Cloudy

    • 53
    • 77

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

Today 21 May Winneshiek

Mostly cloudy. Highs in the upper 50s. East Winds 5 to 10 Mph.

Tonight 21 May Winneshiek

Mostly cloudy. Lows in the mid 40s. East Winds 5 to 10 Mph.

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Frankville Temperature Statistics

May Temperature

Decorah (8.1 miles)

  • Lowest 2 May, 2026

    32 °F

  • Average May

    56.7 °F

  • Highest 15 May, 2026

    86 °F

Climate (2021–Present)

Decorah (8.1 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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