Lake John Weather Forecast

    • 28
    • 35

    Chance Freezing Rain

    • 31
    • 45

    Mostly Cloudy

    • 31
    • 50

    Mostly Cloudy

    • 27
    • 52

    Chance Rain/Snow

    • 15
    • 36

    Mostly Sunny

    • 21
    • 38

    Partly Sunny

Today 18 Mar Northern Oconto County

Not as cold. Cloudy. Highs in the upper 30s. Southwest wind 5 to 10 Mph.

Tonight 18 Mar Northern Oconto County

Not as cold. Cloudy. A chance of light rain. Freezing rain and snow in the Evening, then a slight chance of light freezing rain after midnight. Patchy fog after midnight. Lows in the upper 20s. Southwest wind 5 to 10 Mph in the evening becoming light and variable. Chance of precipitation 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake John Temperature Statistics

March Temperature

Langlade County Airport (32.3 miles)

  • Lowest 14 March, 2026

    2.3 °F
  • Average March

    29.9 °F
  • Highest 9 March, 2026

    59.5 °F

Climate (2021–Present)

Langlade County Airport (32.3 miles)

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  • Average Low 2021–2026

    33 °F
  • Average 2021–2026

    42.8 °F
  • Average High 2021–2026

    52.1 °F
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