Rib Mountain State Park Weather Forecast

    • 60
    • 79

    Chance Rain Showers

    • 65
    • 75

    Rain Showers

    • 51
    • 79

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 58
    • 79

    Chance Rain Showers

    • 52
    • 75

    Chance Rain Showers

Today 7 Sep Marathon

Partly cloudy. Highs in the upper 70s. South wind 5 to 10 Mph.

Tonight 7 Sep Marathon

Mostly cloudy. A chance of Showers after midnight. Lows in the upper 50s. Southeast wind 10 to 15 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rib Mountain State Park Temperature Statistics

September Temperature

Wausau Downtown Airport (3.1 miles)

  • Lowest 1 September, 2026

    63.6 °F

  • Average September

    73.9 °F

  • Highest 1 September, 2026

    89.7 °F

Climate (2021–2026)

Wausau Downtown Airport (3.1 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    46.8 °F

  • Average High 2021–2026

    56 °F
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