Big Eau Pleine Reservoir Weather Forecast

    • 60
    • 71

    Areas Fog

    • 44
    • 67

    Mostly Cloudy

    • 40
    • 63

    Mostly Sunny

    • 45
    • 63

    Chance Rain Showers

    • 36
    • 61

    Mostly Sunny

    • 40
    • 58

    Mostly Sunny

Today 30 Sep Marathon

Humid. Cloudy. Patchy fog. Highs in the lower 70s. Southwest wind 5 to 10 Mph.

Tonight 30 Sep Marathon

Cloudy. Patchy fog in the Evening, then Areas of fog after midnight. Lows in the upper 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

    59.9 °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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