Williams Bay Weather Forecast

    • 57
    • 75

    Chance Rain Showers

    • 61
    • 72

    Rain Showers

    • 59
    • 76

    Rain Showers

    • 55
    • 66

    Chance Rain Showers

    • 54
    • 66

    Chance Rain Showers

    • 54
    • 66

    Slight Chance Rain Showers

Today 17 Sep Walworth

Mostly cloudy. Chance of light rain Showers and slight chance of Thunderstorms in the Morning, then chance of light rain Showers late in the morning. Highs in the mid 70s. Northeast Winds up to 5 Mph. Chance of precipitation 50 percent.

Tonight 17 Sep Walworth

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 50s. Northeast Winds up to 5 Mph.

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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

    70.5 °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

    59.8 °F
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