Sandy Lake Weather Forecast
- 56
- 79
Rain Showers
- 52
- 80
Partly Sunny
- 57
- 84
Mostly Sunny
- 63
- 85
Slight Chance Thunderstorms
- 66
- 88
Chance Rain Showers
- 64
- 88
Chance Thunderstorms
Today 4 Aug Monroe
Mostly cloudy with isolated Showers and Thunderstorms. Near steady temperature in the upper 70s. West Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 4 Aug Monroe
Isolated Thunderstorms in the evening. Cloudy with scattered Showers. Lows in the upper 50s. West Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.
Sandy Lake Temperature Statistics
August Temperature
Sparta, Sparta / Fort McCoy Airport (0.6 miles)
Lowest 2 August, 2026
58.5 °FAverage August
71.7 °FHighest 1 August, 2026
84.6 °F
Climate (2021–2026)
Sparta, Sparta / Fort McCoy Airport (0.6 miles)
Average Low 2021–2026
35.1 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
58.3 °F