Rib Mountain State Park Weather Forecast

    • 64
    • 87

    Chance Rain Showers

    • 61
    • 82

    Chance Rain Showers

    • 64
    • 81

    Rain Showers Likely

    • 65
    • 83

    Chance Thunderstorms

    • 64
    • 82

    Chance Rain Showers

    • 58
    • 81

    Chance Rain Showers

Today 1 Sep Marathon

Humid. Partly cloudy. Widespread fog in the morning. Highs in the upper 80s. Light and variable wind becoming west 5 to 10 Mph in the afternoon.

Tonight 1 Sep Marathon

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 60s. Light and variable wind. Chance of rain 50 percent.

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Rib Mountain State Park Temperature Statistics

September Temperature

Wausau Downtown Airport (3.1 miles)

  • Lowest

  • Average September

  • Highest

Climate (2021–2026)

Wausau Downtown Airport (3.1 miles)

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  • Average Low 2021–2026

    37.3 °F
  • Average 2021–2026

    46.7 °F
  • Average High 2021–2026

    55.9 °F
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