Mosinee Flowage Weather Forecast
- 44
- 65
Mostly Sunny
- 48
- 65
Patchy Fog
- 45
- 68
Patchy Fog
- 49
- 65
Mostly Cloudy
- 51
- 66
Mostly Cloudy
Today 23 Sep Marathon
Sunny. Highs in the middle 60s. East wind 5 to 10 Mph.
Tonight 23 Sep Marathon
Mostly clear. Lows in the middle 40s. East wind 5 to 10 Mph in the evening becoming light and variable.
Mosinee Flowage Temperature Statistics
September Temperature
Mosinee (1.2 miles)
Lowest 14 September, 2026
41 °FAverage September
61.9 °FHighest 1 September, 2026
87.8 °F
Climate (2021–2026)
Mosinee (1.2 miles)
Average Low 2021–2026
35.9 °FAverage 2021–2026
43.2 °FAverage High 2021–2026
53.6 °F