Lake Du Bay Weather Forecast

    • 59
    • 73

    Rain Showers

    • 58
    • 72

    Chance Rain Showers

    • 41
    • 68

    Chance Rain Showers

    • 39
    • 64

    Mostly Sunny

    • 43
    • 64

    Partly Sunny

    • 36
    • 63

    Mostly Sunny

    • 39
    • 61

    Mostly Sunny

Today 29 Sep Marathon

Mostly clear. Lows in the upper 30s. Highs in the lower 60s.

Tonight 29 Sep Marathon

Showers and a slight chance of Thunderstorms in the Evening, then Showers after midnight. Patchy fog. Lows in the upper 50s. South 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

    59.9 °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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