Westport Weather Forecast

    • 63
    • 70

    Rain Showers

    • 53
    • 75

    Chance Rain Showers

    • 60
    • 68

    Rain Showers

    • 58
    • 74

    Chance Rain Showers

    • 60
    • 75

    Rain Showers Likely

    • 56
    • 73

    Chance Rain Showers

Today 14 Sep Dane

Mostly sunny in the Morning, then mostly cloudy with a 40 percent chance of light rain Showers in the afternoon. Highs in the lower 70s. Southeast Winds 5 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 14 Sep Dane

Warmer, Breezy, cloudy. Chance of light Showers and Thunderstorms through around Midnight, then Showers and chance of Thunderstorms after midnight. Lows in the lower 60s. South Winds 15 to 25 Mph. Chance of precipitation 90 percent.

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Westport Temperature Statistics

September Temperature

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

  • Lowest 7 September, 2026

    55.7 °F

  • Average September

    72.8 °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

    59.2 °F
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