Lake Mendota Weather Forecast

    • 53
    • 73

    Mostly Sunny

    • 47
    • 71

    Mostly Sunny

    • 43
    • 66

    Partly Sunny

    • 51
    • 68

    Mostly Sunny

    • 58
    • 75

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

Today 6 Oct Dane

Sunny. Highs in the lower 70s. Southwest Winds 15 to 20 Mph.

Tonight 6 Oct Dane

Mostly clear. Lows in the lower 50s. Southwest Winds 5 to 15 Mph.

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Lake Mendota Temperature Statistics

October Temperature

Madison, Dane County Regional-Truax Field (4.3 miles)

  • Lowest 3 October, 2026

    39.9 °F

  • Average October

    56.6 °F

  • Highest 3 October, 2026

    69.1 °F

Climate (2021–2026)

Madison, Dane County Regional-Truax Field (4.3 miles)

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  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    49.7 °F

  • Average High 2021–2026

    59.1 °F
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