Lake Mendota Weather Forecast

    • 34
    • 65

    Rain Showers Likely

    • 33
    • 42

    Rain/Snow

    • 38
    • 53

    Rain

    • 40
    • 58

    Rain Likely

    • 33
    • 55

    Rain Likely

    • 30
    • 48

    Partly Sunny

Today 31 Mar Dane

Cooler. Mostly cloudy. Light rain Showers likely and chance of Thunderstorms. Highs in the mid 60s. Southwest Winds 5 to 15 Mph shifting to the northwest 10 to 15 Mph in the afternoon. Chance of precipitation 70 percent.

Tonight 31 Mar Dane

Colder. Mostly cloudy with a 30 percent chance of light rain Showers. Lows in the mid 30s. North Winds 5 to 15 Mph.

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Lake Mendota Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    3.7 °F

  • Average March

    38.6 °F

  • Highest 21 March, 2026

    76.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    49.7 °F

  • Average High 2021–2026

    59 °F
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