Lake Wausau Weather Forecast

    • 61
    • 85

    Chance Thunderstorms

    • 56
    • 77

    Chance Rain Showers

    • 57
    • 71

    Chance Rain Showers

    • 58
    • 73

    Chance Thunderstorms

    • 58
    • 74

    Chance Rain Showers

    • 55
    • 73

    Chance Rain Showers

    • 51
    • 69

    Partly Sunny

Today 17 Sep Marathon

Partly cloudy. Temperatures in the lower to mid 80s. Light and variable wind.

Tonight 17 Sep Marathon

Mostly cloudy with a slight chance of Showers and Thunderstorms. Patchy fog after midnight. Lows around 60. Light and variable wind. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Wausau Temperature Statistics

September Temperature

Wausau Downtown Airport (0.6 miles)

  • Lowest 8 September, 2025

    39 °F

  • Average September

    59.9 °F

  • Highest 15 September, 2025

    82 °F

Climate (2020–Present)

Wausau Downtown Airport (0.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    55.9 °F
Get WillyWeather+ to remove ads