Big Eau Pleine Reservoir Weather Forecast

    • 53
    • 71

    Partly Sunny

    • 53
    • 62

    Rain Showers

    • 51
    • 62

    Rain Showers

    • 47
    • 65

    Mostly Cloudy

    • 44
    • 60

    Mostly Cloudy

    • 44
    • 61

    Partly Sunny

    • 48
    • 65

    Partly Sunny

Today 17 Sep Marathon

Partly cloudy. Temperatures near 70. Light and variable wind.

Tonight 17 Sep Marathon

Partly cloudy. Lows in the lower 50s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Eau Pleine Reservoir Temperature Statistics

September Temperature

Mosinee (6.2 miles)

  • Lowest 14 September, 2026

    41 °F

  • Average September

    64.4 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Mosinee (6.2 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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