Rib Mountain State Park Weather Forecast

    • 54
    • 74

    Sunny

    • 61
    • 79

    Rain Showers Likely

    • 48
    • 75

    Partly Sunny

    • 50
    • 67

    Chance Rain Showers

    • 51
    • 70

    Chance Rain Showers

Today 10 Sep Marathon

Sunny. Highs in the middle 70s. Light and variable wind becoming west 5 to 10 Mph in the afternoon.

Tonight 10 Sep Marathon

Clear. Lows in the lower 50s. Light and variable wind.

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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 7 September, 2026

    56.6 °F

  • Average September

    72.1 °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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