Second Lake Weather Forecast
- 43
- 66
Becoming Sunny
- 47
- 60
Chance Rain Showers
- 51
- 58
Mostly Cloudy
- 59
- 68
Chance Rain Showers
- 50
- 74
Chance Rain Showers
- 43
- 67
Partly Sunny
- 40
- 59
Partly Sunny
Today 13 Oct Trempealeau
Mostly sunny. Highs in the mid 60s. Northwest Winds 5 to 10 Mph.
Tonight 13 Oct Trempealeau
Partly cloudy. Colder with Lows in the lower 40s. North Winds around 5 Mph.
Second Lake Temperature Statistics
October Temperature
La Crosse - La Crosse Regional Airport (11.2 miles)
Lowest 8 October, 2025
36 °FAverage October
63.1 °FHighest 3 October, 2025
89.1 °F
Climate (2020–Present)
La Crosse - La Crosse Regional Airport (11.2 miles)
Average Low 2020–2025
41 °FAverage 2020–2025
50.3 °FAverage High 2020–2025
59.9 °F