French Island Weather Forecast
- 63
- 81
Increasing Clouds
- 61
- 77
Partly Sunny
- 60
- 80
Chance Thunderstorms
- 53
- 73
Mostly Sunny
- 49
- 66
Partly Sunny
- 46
- 67
Mostly Sunny
- 48
- 70
Mostly Sunny
Today 20 Aug La Crosse
Mostly sunny. Near steady temperature in the upper 70s. Light Winds.
Tonight 20 Aug La Crosse
Partly cloudy. Patchy fog after midnight. Lows in the lower 60s. East Winds around 5 Mph.
French Island Temperature Statistics
August Temperature
La Crosse - La Crosse Regional Airport (1.2 miles)
Lowest 1 August, 2025
55.7 °FAverage August
73.6 °FHighest 8 August, 2025
92.6 °F
Climate (2020–Present)
La Crosse - La Crosse Regional Airport (1.2 miles)
Average Low 2020–2025
41 °FAverage 2020–2025
50.2 °FAverage High 2020–2025
59.8 °F