Lake Du Bay Weather Forecast

    • 51
    • 61

    Rain Showers

    • 46
    • 60

    Rain Showers Likely

    • 42
    • 66

    Mostly Cloudy

    • 40
    • 60

    Mostly Cloudy

    • 41
    • 61

    Partly Sunny

    • 42
    • 65

    Partly Sunny

Today 18 Sep Marathon

Cooler. A chance of Showers in the Morning, then Showers in the afternoon. Highs in the lower 60s. East wind 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 18 Sep Marathon

Showers in the Evening, then Showers and a slight chance of Thunderstorms after midnight. Lows around 50. East wind 10 to 15 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Du Bay Temperature Statistics

September Temperature

Mosinee (4.3 miles)

  • Lowest 14 September, 2026

    41 °F

  • Average September

    63.9 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Mosinee (4.3 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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