Lilly Lake Weather Forecast

    • 43
    • 54

    Mostly Cloudy

    • 39
    • 58

    Mostly Cloudy

    • 39
    • 61

    Mostly Sunny

    • 51
    • 69

    Partly Sunny

    • 53
    • 69

    Chance Rain Showers

    • 46
    • 69

    Mostly Cloudy

Today 5 Sep Marathon

Blustery. Mostly cloudy. A chance of Sprinkles. Highs in the middle 50s. West wind 15 to 25 Mph.

Tonight 5 Sep Marathon

Mostly cloudy. A chance of Showers in the Evening, then a chance of Sprinkles after midnight. Lows in the lower 40s. West wind 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lilly Lake Temperature Statistics

September Temperature

Mosinee (20.5 miles)

  • Lowest 3 September, 2025

    44.6 °F

  • Average September

    58.2 °F

  • Highest 1 September, 2025

    73.4 °F

Climate (2020–Present)

Mosinee (20.5 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    43 °F

  • Average High 2020–2025

    53.3 °F
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