Big Eau Pleine Reservoir Weather Forecast

    • 49
    • 74

    Becoming Sunny

    • 43
    • 64

    Partly Sunny

    • 55
    • 66

    Rain Showers

    • 48
    • 69

    Slight Chance Rain Showers

    • 50
    • 66

    Chance Rain Showers

    • 48
    • 68

    Slight Chance Thunderstorms

Today 12 Sep Marathon

Partly cloudy. Highs in the middle 70s. West wind 10 to 15 Mph.

Tonight 12 Sep Marathon

Cooler. Mostly clear. Lows in the upper 40s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Eau Pleine Reservoir Temperature Statistics

September Temperature

Mosinee (6.2 miles)

  • Lowest 7 September, 2026

    55.4 °F

  • Average September

    68.5 °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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