Lilly Lake Weather Forecast

    • 44
    • 68

    Mostly Cloudy

    • 54
    • 67

    Mostly Cloudy

    • 51
    • 73

    Partly Sunny

    • 57
    • 71

    Rain Showers Likely

    • 55
    • 70

    Chance Rain Showers

    • 48
    • 69

    Chance Rain Showers

    • 46
    • 64

    Slight Chance Rain Showers

Today 26 Sep Marathon

Partly cloudy. Highs in the middle 60s.

Tonight 26 Sep Marathon

Partly cloudy in the evening then becoming mostly cloudy. Lows in the middle 40s. Southeast wind 5 to 10 Mph in the evening becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lilly Lake Temperature Statistics

September Temperature

Mosinee (20.5 miles)

  • Lowest 14 September, 2026

    41 °F

  • Average September

    60.5 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Mosinee (20.5 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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