Mosinee Flowage Weather Forecast

    • 58
    • 72

    Rain Showers Likely

    • 59
    • 70

    Rain Showers Likely

    • 42
    • 67

    Partly Sunny

    • 39
    • 64

    Mostly Sunny

    • 43
    • 63

    Partly Sunny

    • 37
    • 62

    Partly Sunny

Today 29 Sep Marathon

Mostly cloudy. Highs in the lower 70s. South wind 10 to 15 Mph.

Tonight 29 Sep Marathon

Showers. Lows in the upper 50s. South wind 10 to 15 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mosinee Flowage Temperature Statistics

September Temperature

Mosinee (1.2 miles)

  • Lowest 14 September, 2026

    41 °F

  • Average September

    59.9 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Mosinee (1.2 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    53.6 °F
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