Williams Bay Weather Forecast

    • 60
    • 80

    Mostly Sunny

    • 55
    • 82

    Partly Sunny

    • 55
    • 74

    Chance Rain Showers

    • 64
    • 76

    Rain Showers Likely

    • 56
    • 76

    Chance Rain Showers

    • 56
    • 70

    Chance Rain Showers

Today 11 Sep Walworth

Sunny. Highs around 80. South Winds up to 10 Mph.

Tonight 11 Sep Walworth

Partly cloudy. Lows around 60. South Winds 5 to 10 Mph.

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Williams Bay Temperature Statistics

September Temperature

Burlington Municipal Airport (13.7 miles)

  • Lowest 7 September, 2026

    54.5 °F

  • Average September

    74.5 °F

  • Highest 2 September, 2026

    96.3 °F

Climate (2021–2026)

Burlington Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.9 °F
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