Mission Lake County Park Weather Forecast

    • 60
    • 84

    Mostly Sunny

    • 60
    • 86

    Slight Chance Thunderstorms

    • 55
    • 77

    Slight Chance Thunderstorms

    • 55
    • 74

    Chance Rain Showers

    • 58
    • 71

    Chance Thunderstorms

    • 58
    • 74

    Chance Rain Showers

    • 55
    • 73

    Chance Rain Showers

Today 16 Sep Marathon

Mostly sunny. Temperatures in the lower to mid 80s. South wind 5 to 10 Mph.

Tonight 16 Sep Marathon

Mostly clear. Lows in the lower 60s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mission Lake County Park Temperature Statistics

September Temperature

Mosinee (14.9 miles)

  • Lowest 4 September, 2025

    37.4 °F

  • Average September

    56.4 °F

  • Highest 13 September, 2025

    78.8 °F

Climate (2020–Present)

Mosinee (14.9 miles)

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  • Average Low 2020–2025

    35.7 °F

  • Average 2020–2025

    43 °F

  • Average High 2020–2025

    53.3 °F
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