Mosinee Flowage Weather Forecast

    • 60
    • 85

    Chance Thunderstorms

    • 56
    • 76

    Chance Rain Showers

    • 53
    • 71

    Chance Rain Showers

    • 58
    • 72

    Chance Thunderstorms

    • 58
    • 74

    Chance Rain Showers

    • 55
    • 73

    Chance Rain Showers

    • 51
    • 69

    Partly Sunny

Today 17 Sep Marathon

Partly cloudy. Temperatures in the lower to mid 80s. Light and variable wind.

Tonight 17 Sep Marathon

Partly cloudy in the evening then becoming mostly cloudy. A slight chance of Showers and Thunderstorms. Patchy fog after midnight. Lows around 60. Light and variable wind. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mosinee Flowage Temperature Statistics

September Temperature

Mosinee (1.2 miles)

  • Lowest 4 September, 2025

    37.4 °F

  • Average September

    57.1 °F

  • Highest 15 September, 2025

    80.6 °F

Climate (2020–Present)

Mosinee (1.2 miles)

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  • Average Low 2020–2025

    35.7 °F

  • Average 2020–2025

    43 °F

  • Average High 2020–2025

    53.3 °F
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