Lake John Weather Forecast

    • 53
    • 72

    Mostly Cloudy

    • 57
    • 77

    Partly Sunny

    • 55
    • 77

    Partly Sunny

    • 51
    • 69

    Partly Sunny

    • 46
    • 62

    Partly Sunny

    • 44
    • 64

    Mostly Sunny

Today 20 Aug Northern Oconto County

Mostly cloudy. Patchy fog in the morning. Highs in the middle 70s. Light and variable wind becoming northeast around 5 Mph in the afternoon.

Tonight 20 Aug Northern Oconto County

Partly cloudy. Patchy fog after midnight. Lows in the middle 50s. Light and variable wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake John Temperature Statistics

August Temperature

Langlade County Airport (32.3 miles)

  • Lowest 1 August, 2025

    45.5 °F

  • Average August

    67.3 °F

  • Highest 8 August, 2025

    84.4 °F

Climate (2020–Present)

Langlade County Airport (32.3 miles)

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

  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    52 °F
Get WillyWeather+ to remove ads