Waukon Weather Forecast

    • 63
    • 84

    Decreasing Clouds

    • 62
    • 80

    Mostly Cloudy

    • 64
    • 80

    Mostly Cloudy

    • 66
    • 87

    Rain Showers Likely

    • 57
    • 80

    Partly Sunny

    • 59
    • 77

    Partly Sunny

Today 5 Sep Allamakee

Mostly cloudy this Morning, then becoming mostly sunny. Areas of fog this morning. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 5 Sep Allamakee

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the lower 60s. East Winds around 5 Mph.

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Waukon Temperature Statistics

September Temperature

Decorah (12.4 miles)

  • Lowest 2 September, 2026

    66.2 °F

  • Average September

    75.9 °F

  • Highest 1 September, 2026

    86 °F

Climate (2021–2026)

Decorah (12.4 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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