Isle of Ferns Park Weather Forecast

    • 17
    • 35

    Increasing Clouds

    • 22
    • 33

    Mostly Cloudy

    • 25
    • 31

    Chance Wintry Mix

    • 31
    • 36

    Cloudy

    • 9
    • 37

    Slight Chance Rain/Snow

    • 3
    • 16

    Mostly Cloudy

Today 23 Dec Marathon

Partly cloudy in the morning then becoming mostly sunny. Highs in the middle 30s. Northwest wind 10 to 15 Mph.

Tonight 23 Dec Marathon

Partly cloudy in the evening then becoming mostly cloudy. Lows in the middle teens. Northwest wind 5 to 10 Mph in the evening becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle of Ferns Park Temperature Statistics

December Temperature

Wausau Downtown Airport (1.2 miles)

  • Lowest 13 December, 2025

    -13 °F

  • Average December

    13.9 °F

  • Highest 16 December, 2025

    39 °F

Climate (2020–Present)

Wausau Downtown Airport (1.2 miles)

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

  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    56 °F
Get WillyWeather+ to remove ads