Lake John Weather Forecast

    • 9
    • 39

    Rain/Snow

    • 10
    • 18

    Chance Snow

    • 1
    • 29

    Chance Snow

    • 2
    • 16

    Partly Sunny

    • 20
    • 27

    Mostly Cloudy

    • 15
    • 35

    Mostly Cloudy

Today 18 Dec Northern Oconto County

Light rain. Areas of fog. Highs around 40. Southwest wind 10 to 15 Mph. Chance of rain near 100 percent.

Tonight 18 Dec Northern Oconto County

Much Colder. Mostly cloudy. Light snow likely in the Evening, then a chance of light snow after midnight. Snow accumulation around 1 inch. Lows around 10 above zero. Northwest wind 10 to 20 Mph with Gusts to around 35 Mph. Chance of snow 60 percent. Lowest wind chill Readings to 10 below zero after midnight.

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Lake John Temperature Statistics

December Temperature

Langlade County Airport (32.3 miles)

  • Lowest 8 December, 2025

    -13.5 °F

  • Average December

    11.2 °F

  • Highest 16 December, 2025

    37.4 °F

Climate (2020–Present)

Langlade County Airport (32.3 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    52.1 °F
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