Lake Geneva Weather Forecast
- 58
- 80
Partly Sunny
- 68
- 83
Rain Showers Likely
- 58
- 81
Rain Showers Likely
- 54
- 77
Mostly Sunny
- 61
- 80
Chance Rain Showers
- 58
- 81
Slight Chance Rain Showers
- 58
- 77
Chance Rain Showers
Today 7 Sep Walworth
Mostly sunny. Southeast Winds 5 to 10 Mph.
Tonight 7 Sep Walworth
Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 50s. Southeast Winds up to 5 Mph.
Lake Geneva Temperature Statistics
September Temperature
Burlington Municipal Airport (9.3 miles)
Lowest 5 September, 2026
63.5 °FAverage September
78.9 °FHighest 2 September, 2026
96.3 °F
Climate (2021–2026)
Burlington Municipal Airport (9.3 miles)
Average Low 2021–2026
39.7 °FAverage 2021–2026
50.1 °FAverage High 2021–2026
59.9 °F