Westport Weather Forecast

    • 16
    • 27

    Snow Likely

    • 14
    • 22

    Snow

    • -1
    • 19

    Partly Sunny

    • 13
    • 21

    Chance Snow

    • 24
    • 34

    Rain/Snow

    • 11
    • 33

    Chance Snow

    • 7
    • 22

    Slight Chance Snow

Today 5 Dec Dane

Cloudy with light snow likely. Little new snow accumulation. Southwest Winds 10 to 15 Mph. Chance of snow 60 percent.

Tonight 5 Dec Dane

Not as cold. Cloudy. Light snow Likely, possibly mixed with freezing drizzle in the Evening, then chance of light Snow, possibly mixed with freezing drizzle late in the evening. Little snow accumulation. Lows around 16. Southwest Winds 5 to 15 Mph shifting to the northwest 5 to 10 Mph after midnight. Chance of precipitation 70 percent.

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Westport Temperature Statistics

December Temperature

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

  • Lowest 1 December, 2025

    3 °F

  • Average December

    19.4 °F

  • Highest 3 December, 2025

    30 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    49.7 °F

  • Average High 2020–2025

    58.9 °F
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