Westport Weather Forecast

    • 22
    • 24

    Wintry Mix Likely

    • 12
    • 34

    Snow Likely

    • 3
    • 18

    Chance Snow

    • 2
    • 15

    Slight Chance Snow

    • -1
    • 8

    Cold

    • 5
    • 15

    Mostly Cloudy

Today 15 Jan Dane

Mostly sunny until late Afternoon, then cloudy with a 40 percent chance of light snow late in the afternoon. Highs in the mid 20s. West Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 15 Jan Dane

Colder. Partly cloudy. Near steady temperature around 14. Northwest Winds 10 to 15 Mph.

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Westport Temperature Statistics

January Temperature

Madison, Dane County Regional-Truax Field (3.7 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 (3.7 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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