Williams Bay Weather Forecast

    • 48
    • 66

    Increasing Clouds

    • 49
    • 69

    Partly Sunny

    • 51
    • 70

    Mostly Sunny

    • 58
    • 70

    Rain Showers Likely

    • 58
    • 67

    Rain Showers Likely

    • 52
    • 67

    Chance Rain Showers

Today 26 Sep Walworth

Partly sunny. Patchy fog in the morning. Highs in the mid 60s. East Winds up to 5 Mph.

Tonight 26 Sep Walworth

Partly cloudy until early morning then becoming mostly cloudy. Lows in the upper 40s. East Winds up to 5 Mph through around midnight becoming calm.

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Williams Bay Temperature Statistics

September Temperature

Burlington Municipal Airport (13.7 miles)

  • Lowest 14 September, 2026

    41.9 °F

  • Average September

    67.3 °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

    59.8 °F
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