Lake Mendota Weather Forecast

    • 50
    • 66

    Decreasing Clouds

    • 57
    • 74

    Rain Showers Likely

    • 43
    • 70

    Partly Sunny

    • 49
    • 66

    Chance Rain Showers

    • 51
    • 66

    Chance Rain Showers

    • 51
    • 68

    Slight Chance Rain Showers

Today 27 Oct Dane

Mostly cloudy. Chance of Sprinkles in the afternoon. Highs in the mid 60s. Southeast Winds 5 to 10 Mph.

Tonight 27 Oct Dane

Mostly cloudy through around midnight then becoming partly cloudy. Lows around 50. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Mendota Temperature Statistics

October Temperature

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

  • Lowest 17 October, 2026

    29.6 °F

  • Average October

    58.2 °F

  • Highest 12 October, 2026

    85.6 °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

    49.8 °F

  • Average High 2021–2026

    59.2 °F
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