Island Lake Weather Forecast

    • 45
    • 61

    Partly Sunny

    • 31
    • 56

    Increasing Clouds

    • 44
    • 53

    Rain Likely

    • 33
    • 59

    Mostly Cloudy

    • 27
    • 45

    Rain/Snow Likely

    • 20
    • 36

    Partly Sunny

    • 21
    • 37

    Partly Sunny

Today 4 Nov Dane

Sunny. Southeast Winds 5 to 15 Mph.

Tonight 4 Nov Dane

Partly cloudy. Lows in the mid 40s. South Winds 5 to 10 Mph shifting to the southwest 5 to 15 Mph after midnight.

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Island Lake Temperature Statistics

November Temperature

Madison, Dane County Regional-Truax Field (14.9 miles)

  • Lowest 2 November, 2025

    26.1 °F

  • Average November

    39.7 °F

  • Highest 2 November, 2025

    50 °F

Climate (2020–Present)

Madison, Dane County Regional-Truax Field (14.9 miles)

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  • Average Low 2020–2025

    40.1 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    59 °F
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