Mosinee Flowage Weather Forecast
- 45
- 68
Mostly Cloudy
- 52
- 67
Mostly Cloudy
Today 26 Sep Marathon
Mostly sunny. Highs in the upper 60s. Southeast wind 5 to 10 Mph.
Tonight 26 Sep Marathon
Partly cloudy in the evening then becoming mostly cloudy. Lows in the middle 40s. Southeast 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
60.5 °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