Frankville Weather Forecast

    • 66
    • 80

    Rain Showers

    • 56
    • 81

    Partly Sunny

    • 55
    • 77

    Mostly Sunny

    • 62
    • 79

    Chance Thunderstorms

    • 53
    • 77

    Chance Thunderstorms

    • 54
    • 70

    Chance Rain Showers

Today 8 Sep Winneshiek

Mostly cloudy with a chance of Showers and Thunderstorms. Highs around 80. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 8 Sep Winneshiek

Mostly cloudy with a chance of Thunderstorms. Showers this Evening, then a chance of Showers after midnight. Patchy fog after midnight. Lows in the mid 60s. Southwest Winds around 5 Mph. Chance of rain 90 percent.

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Frankville Temperature Statistics

September Temperature

Decorah (8.1 miles)

  • Lowest 2 September, 2026

    66.2 °F

  • Average September

    74.7 °F

  • Highest 4 September, 2026

    87.8 °F

Climate (2021–2026)

Decorah (8.1 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    56.4 °F
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