Decorah Lake Weather Forecast

    • 63
    • 82

    Increasing Clouds

    • 61
    • 85

    Becoming Sunny

    • 50
    • 73

    Partly Sunny

    • 44
    • 67

    Partly Sunny

    • 43
    • 63

    Chance Rain Showers

    • 30
    • 56

    Breezy

    • 34
    • 55

    Mostly Sunny

Today 11 Oct Juneau

Mostly sunny. Highs in the lower 60s.

Tonight 11 Oct Juneau

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decorah Lake Temperature Statistics

October Temperature

New Lisbon Mauston Airport (3.1 miles)

  • Lowest 5 October, 2026

    37.2 °F

  • Average October

    57.2 °F

  • Highest 6 October, 2026

    76.1 °F

Climate (2021–2026)

New Lisbon Mauston Airport (3.1 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57.8 °F
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