Williams Bay Weather Forecast

    • 40
    • 60

    Partly Sunny

    • 42
    • 62

    Partly Sunny

    • 42
    • 65

    Mostly Sunny

    • 51
    • 70

    Partly Sunny

    • 56
    • 75

    Chance Rain Showers

    • 52
    • 75

    Mostly Cloudy

Today 5 Sep Walworth

Partly sunny. Highs in the lower 60s. West Winds 15 to 20 Mph with Gusts to around 35 Mph.

Tonight 5 Sep Walworth

Colder. Mostly clear. Lows in the lower 40s. West Winds 5 to 10 Mph.

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Williams Bay Temperature Statistics

September Temperature

Burlington Municipal Airport (13.7 miles)

  • Lowest 1 September, 2025

    45.5 °F

  • Average September

    60.3 °F

  • Highest 1 September, 2025

    75.9 °F

Climate (2020–Present)

Burlington Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    59.5 °F
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