Decorah Lake Weather Forecast

    • 78
    • 97

    Mostly Sunny

    • 77
    • 98

    Hot

    • 67
    • 92

    Rain Showers

    • 64
    • 80

    Rain Showers

    • 65
    • 80

    Rain Showers

    • 64
    • 81

    Rain Showers Likely

    • 64
    • 81

    Chance Thunderstorms

Today 21 Jun Juneau

Mostly sunny. Warmer with Highs in the mid 90s. Southwest Winds 15 to 20 Mph with Gusts up to 40 Mph. Heat index Values up to 110.

Tonight 21 Jun Juneau

Mostly clear. Lows in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph. Heat index Values in the mid 90s early late this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decorah Lake Temperature Statistics

June Temperature

New Lisbon Mauston Airport (3.1 miles)

  • Lowest 1 June, 2025

    40.6 °F

  • Average June

    66.5 °F

  • Highest 2 June, 2025

    84.2 °F

Climate (2020–Present)

New Lisbon Mauston Airport (3.1 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    47.8 °F

  • Average High 2020–2025

    57.5 °F
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