Westport Weather Forecast

    • 56
    • 78

    Mostly Sunny

    • 63
    • 81

    Partly Sunny

    • 61
    • 83

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 64
    • 81

    Chance Rain Showers

Today 24 Aug Dane

Mostly sunny. Highs in the upper 70s. Northwest Winds up to 5 Mph.

Tonight 24 Aug Dane

Mostly clear. Lows in the mid 50s. South Winds up to 5 Mph.

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Westport Temperature Statistics

August Temperature

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

  • Lowest 20 August, 2026

    53.7 °F

  • Average August

    71.7 °F

  • Highest 10 August, 2026

    85.6 °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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