Westport Weather Forecast

    • 60
    • 80

    Partly Sunny

    • 69
    • 82

    Rain Showers

    • 57
    • 81

    Partly Sunny

    • 56
    • 77

    Mostly Sunny

    • 62
    • 79

    Partly Sunny

    • 59
    • 80

    Chance Rain Showers

Today 7 Sep Dane

Mostly sunny. Areas of fog in the morning. Highs around 80. Southeast Winds up to 10 Mph.

Tonight 7 Sep Dane

Partly cloudy until early morning then becoming mostly cloudy. Lows around 60. Southeast Winds 5 to 10 Mph.

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Westport Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2026

    69.7 °F

  • Average September

    77.7 °F

  • Highest 2 September, 2026

    88.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    59.1 °F
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