Lake Du Bay Weather Forecast

    • 49
    • 71

    Gradual Clearing

    • 52
    • 63

    Rain Showers

    • 48
    • 64

    Rain Showers

    • 44
    • 65

    Mostly Cloudy

    • 43
    • 61

    Slight Chance Rain Showers

    • 45
    • 62

    Mostly Cloudy

Today 17 Sep Marathon

Cloudy in the morning then becoming partly sunny. Highs in the lower 70s. Light and variable wind.

Tonight 17 Sep Marathon

Mostly clear. Lows in the upper 40s. Light and variable wind.

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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

    64.4 °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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