Big Eau Pleine Reservoir Weather Forecast
- 57
- 78
Increasing Clouds
- 61
- 79
Rain Showers Likely
- 65
- 79
Rain Showers Likely
- 53
- 77
Partly Sunny
- 51
- 73
Mostly Sunny
- 55
- 76
Chance Rain Showers
Today 6 Sep Marathon
Mostly sunny in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the upper 70s. Light and variable wind becoming southeast around 5 Mph in the afternoon.
Tonight 6 Sep Marathon
Cooler. Partly cloudy. Patchy fog. Lows in the middle 50s. Light and variable wind.
Big Eau Pleine Reservoir Temperature Statistics
September Temperature
Mosinee (6.2 miles)
Lowest 1 September, 2026
62.6 °FAverage September
70.9 °FHighest 1 September, 2026
87.8 °F
Climate (2021–2026)
Mosinee (6.2 miles)
Average Low 2021–2026
35.8 °FAverage 2021–2026
43.2 °FAverage High 2021–2026
53.6 °F