North Lake Mendota Weather Forecast

    • 59
    • 70

    Rain Showers

    • 58
    • 72

    Rain Showers

    • 52
    • 68

    Chance Rain Showers

    • 48
    • 63

    Chance Rain Showers

    • 46
    • 62

    Partly Sunny

    • 48
    • 65

    Mostly Cloudy

    • 50
    • 68

    Partly Sunny

Today 18 Sep Dane

Partly sunny. Highs around 70.

Tonight 18 Sep Dane

Rain Showers likely through around midnight. Chance of Thunderstorms through the night. Rain Showers after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the lower 60s. East Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

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North Lake Mendota Temperature Statistics

September Temperature

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

  • Lowest 14 September, 2026

    41.6 °F

  • Average September

    69.8 °F

  • Highest 2 September, 2026

    88.6 °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

    49.8 °F

  • Average High 2021–2026

    59.1 °F
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