Williams Bay Weather Forecast
- 61
- 84
Increasing Clouds
- 62
- 82
Chance Thunderstorms
- 61
- 76
Chance Thunderstorms
- 61
- 76
Chance Thunderstorms
- 59
- 77
Chance Rain Showers
- 55
- 75
Slight Chance Thunderstorms
Today 18 Sep Walworth
Sunny. Highs in the mid 80s. East Winds around 5 Mph.
Tonight 18 Sep Walworth
Partly cloudy through around midnight then becoming mostly cloudy. Lows in the lower 60s. East Winds up to 5 Mph.
Williams Bay Temperature Statistics
September Temperature
Burlington Municipal Airport (13.7 miles)
Lowest 8 September, 2025
36.9 °FAverage September
60.4 °FHighest 16 September, 2025
82.4 °F
Climate (2020–Present)
Burlington Municipal Airport (13.7 miles)
Average Low 2020–2025
39.4 °FAverage 2020–2025
49.8 °FAverage High 2020–2025
59.5 °F