Williams Bay Weather Forecast

    • 60
    • 74

    Increasing Clouds

    • 62
    • 68

    Rain Showers

    • 51
    • 69

    Rain Showers

    • 45
    • 63

    Slight Chance Rain Showers

    • 46
    • 64

    Slight Chance Rain Showers

    • 42
    • 64

    Mostly Sunny

Today 29 Sep Walworth

Sunny in the morning then becoming partly sunny. Patchy fog in the morning. Highs in the mid 70s. South Winds up to 10 Mph.

Tonight 29 Sep Walworth

Warmer, cloudy. A 40 percent chance of light Showers in the late evening and overnight. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williams Bay Temperature Statistics

September Temperature

Burlington Municipal Airport (13.7 miles)

  • Lowest 27 September, 2026

    41.2 °F

  • Average September

    65.8 °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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