Big Eau Pleine Reservoir Weather Forecast

    • 46
    • 69

    Increasing Clouds

    • 51
    • 66

    Mostly Cloudy

    • 48
    • 68

    Partly Sunny

    • 49
    • 66

    Chance Rain Showers

    • 49
    • 64

    Mostly Cloudy

    • 53
    • 69

    Partly Sunny

    • 53
    • 67

    Rain Showers Likely

Today 23 Sep Marathon

Mostly cloudy with a 50 percent chance of Showers. Highs in the lower 60s.

Tonight 23 Sep Marathon

Clear in the evening then becoming partly cloudy. Lows in the middle 40s. East wind 5 to 10 Mph in the evening becoming light and variable.

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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

    61.9 °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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