Rib Mountain Weather Forecast

    • 56
    • 77

    Chance Rain Showers

    • 56
    • 71

    Chance Rain Showers

    • 58
    • 73

    Chance Thunderstorms

    • 58
    • 74

    Chance Rain Showers

    • 55
    • 73

    Chance Rain Showers

    • 51
    • 70

    Slight Chance Rain Showers

Today 18 Sep Marathon

Mostly cloudy. Patchy fog in the morning. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. Light and variable wind becoming east around 5 Mph in the afternoon. Chance of rain 20 percent.

Tonight 18 Sep Marathon

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the middle 50s. East wind 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rib Mountain Temperature Statistics

September Temperature

Wausau Downtown Airport (1.2 miles)

  • Lowest 8 September, 2025

    39 °F

  • Average September

    59.9 °F

  • Highest 15 September, 2025

    82 °F

Climate (2020–Present)

Wausau Downtown Airport (1.2 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    55.9 °F
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