Westport Weather Forecast

    • 69
    • 87

    Rain Showers

    • 59
    • 77

    Mostly Cloudy

    • 69
    • 86

    Slight Chance Thunderstorms

    • 69
    • 92

    Chance Thunderstorms

    • 64
    • 85

    Slight Chance Thunderstorms

    • 63
    • 84

    Mostly Sunny

Today 26 Jun Dane

Warm and humid. Partly sunny. Chance of light Showers and Thunderstorms early in the Afternoon, then Showers and Thunderstorms likely late in the afternoon. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of precipitation 60 percent. Heat index Readings 95 to 97.

Tonight 26 Jun Dane

Mostly cloudy. Showers and Thunderstorms likely through around Midnight, then chance of light Showers and slight chance of Thunderstorms after midnight. Lows in the upper 60s. South Winds 5 to 10 Mph. Chance of precipitation 70 percent.

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Westport Temperature Statistics

June Temperature

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

  • Lowest 1 June, 2025

    43.6 °F

  • Average June

    70.4 °F

  • Highest 22 June, 2025

    93.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    58.7 °F
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