Westport Weather Forecast

    • 39
    • 48

    Rain Showers

    • 45
    • 66

    Rain Showers

    • 34
    • 54

    Slight Chance Rain Showers

    • 43
    • 60

    Mostly Sunny

    • 43
    • 68

    Mostly Sunny

    • 28
    • 58

    Rain/Snow Likely

Today 5 Mar Dane

Mostly cloudy. A 40 percent chance of light rain in the morning. Patchy fog in the morning. Highs in the upper 40s. Northeast Winds 5 to 10 Mph.

Tonight 5 Mar Dane

Not as cool. Cloudy. A 20 percent chance of light rain early in the morning. Near steady temperature in the upper 30s. Northeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Westport Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    8.1 °F

  • Average March

    26.3 °F

  • Highest 2 March, 2026

    43 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    59 °F
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