Williams Bay Weather Forecast

    • 69
    • 83

    Increasing Clouds

    • 59
    • 79

    Rain Showers Likely

    • 54
    • 76

    Mostly Sunny

    • 61
    • 79

    Partly Sunny

    • 59
    • 81

    Slight Chance Rain Showers

    • 58
    • 77

    Chance Rain Showers

Today 8 Sep Walworth

Partly sunny. Highs in the lower 80s. South Winds up to 10 Mph.

Tonight 8 Sep Walworth

Partly cloudy after midnight then becoming mostly cloudy. Lows in the upper 50s. Southeast Winds up to 5 Mph.

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Williams Bay Temperature Statistics

September Temperature

Burlington Municipal Airport (13.7 miles)

  • Lowest 5 September, 2026

    63.5 °F

  • Average September

    78.9 °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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