Lake Mendota Weather Forecast

    • 10
    • 22

    Partly Sunny

    • 22
    • 25

    Snow

    • 10
    • 35

    Snow Likely

    • 3
    • 16

    Chance Snow

    • 2
    • 15

    Slight Chance Snow

    • -1
    • 8

    Cold

    • 6
    • 15

    Mostly Cloudy

Today 14 Jan Dane

Sunny. Northwest Winds 15 to 20 Mph.

Tonight 14 Jan Dane

Colder. Mostly clear. Lows around 10. North Winds 5 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Mendota Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    6.1 °F

  • Average January

    28.3 °F

  • Highest 9 January, 2026

    55.9 °F

Climate (2021–Present)

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

    58.9 °F
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