Mission Lake County Park Weather Forecast

    • 37
    • 66

    Becoming Sunny

    • 56
    • 68

    Rain Showers

    • 46
    • 70

    Mostly Cloudy

    • 52
    • 67

    Chance Rain Showers

    • 50
    • 70

    Slight Chance Rain Showers

    • 50
    • 69

    Chance Rain Showers

Today 13 Sep Marathon

Mostly cloudy in the morning then clearing. Highs in the middle 60s. Northwest wind 10 to 15 Mph.

Tonight 13 Sep Marathon

Colder. Clear. Lows in the upper 30s. 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 11 September, 2026

    50 °F

  • Average September

    67 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Mosinee (14.9 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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