Lake Mendota Weather Forecast

    • 13
    • 34

    Snow Likely

    • 4
    • 20

    Chance Snow

    • -2
    • 17

    Slight Chance Snow

    • -1
    • 5

    Cold

    • 8
    • 15

    Mostly Cloudy

    • 9
    • 24

    Mostly Cloudy

Today 16 Jan Dane

Not as cold. Light snow in the Morning, then chance of light snow late in the morning. Scattered snow Showers in the afternoon. Snow accumulation up to 1 inch. Total snow accumulation up to 2 Inches. Highs in the mid 30s. West Winds 10 to 15 Mph. Chance of snow near 100 percent.

Tonight 16 Jan Dane

Mostly cloudy with scattered snow Showers. Lows around 13. West Winds 10 to 15 Mph. Chance of snow 50 percent.

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Lake Mendota Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    6.1 °F

  • Average January

    28.8 °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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