Perch Lake Weather Forecast
- 43
- 68
Mostly Sunny
- 45
- 71
Mostly Sunny
- 54
- 75
Slight Chance Rain Showers
- 51
- 76
Slight Chance Thunderstorms
- 50
- 74
Partly Sunny
- 51
- 74
Partly Sunny
Today 25 Aug Monroe
Mostly sunny. Highs in the upper 60s. Northwest Winds 5 to 10 Mph.
Tonight 25 Aug Monroe
Partly cloudy. Lows in the lower 40s. Light Winds.
Perch Lake Temperature Statistics
August Temperature
Sparta, Sparta / Fort McCoy Airport (3.1 miles)
Lowest 1 August, 2025
44.6 °FAverage August
70.5 °FHighest 15 August, 2025
91.2 °F
Climate (2020–Present)
Sparta, Sparta / Fort McCoy Airport (3.1 miles)
Average Low 2020–2025
34.6 °FAverage 2020–2025
47.3 °FAverage High 2020–2025
57.9 °F