North Lake Mendota Weather Forecast

    • 69
    • 88

    Rain Showers

    • 69
    • 88

    Chance Thunderstorms

    • 64
    • 83

    Partly Sunny

    • 62
    • 82

    Partly Sunny

    • 64
    • 81

    Partly Sunny

    • 68
    • 83

    Chance Rain Showers

Today 3 Sep Dane

Warm and humid. Partly sunny. Numerous light Showers and Thunderstorms late in the Morning, then chance of light Showers and Thunderstorms early in the afternoon. Highs in the upper 80s. West Winds around 5 Mph shifting to the south in the afternoon. Chance of precipitation 70 percent. Highest heat index Readings around 95 in the afternoon.

Tonight 3 Sep Dane

Partly cloudy with chance of light Showers and Thunderstorms in the Evening, then Showers and chance of Thunderstorms in the late evening and overnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of precipitation 90 percent.

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North Lake Mendota Temperature Statistics

September Temperature

Madison, Dane County Regional-Truax Field (2.5 miles)

  • Lowest 1 September, 2026

    70 °F

  • Average September

    78.1 °F

  • Highest 1 September, 2026

    86 °F

Climate (2021–2026)

Madison, Dane County Regional-Truax Field (2.5 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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