Lilly Lake Weather Forecast

    • 54
    • 78

    Mostly Sunny

    • 55
    • 78

    Partly Sunny

    • 59
    • 78

    Rain Showers Likely

    • 65
    • 80

    Rain Showers Likely

    • 53
    • 78

    Partly Sunny

    • 51
    • 74

    Mostly Sunny

    • 55
    • 76

    Slight Chance Thunderstorms

Today 5 Sep Marathon

Partly sunny. Highs in the upper 70s. East wind 5 to 10 Mph.

Tonight 5 Sep Marathon

Cooler. Mostly clear. Patchy fog after midnight. Lows in the middle 50s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lilly Lake Temperature Statistics

September Temperature

Mosinee (20.5 miles)

  • Lowest 1 September, 2026

    62.6 °F

  • Average September

    70.9 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Mosinee (20.5 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    53.6 °F
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