Lake John Weather Forecast

    • 64
    • 79

    Chance Rain Showers

    • 54
    • 79

    Partly Sunny

    • 58
    • 79

    Slight Chance Thunderstorms

    • 52
    • 80

    Chance Thunderstorms

    • 48
    • 75

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

    • 56
    • 78

    Slight Chance Rain Showers

Today 15 Aug Northern Oconto County

Mostly sunny. Nearly steady temperature around 80. Southeast wind 5 to 10 Mph.

Tonight 15 Aug Northern Oconto County

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Patchy fog after midnight. Lows in the middle 60s. Light and variable wind. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake John Temperature Statistics

August Temperature

Langlade County Airport (32.3 miles)

  • Lowest 6 August, 2026

    47.8 °F

  • Average August

    67.1 °F

  • Highest 12 August, 2026

    81.7 °F

Climate (2021–2026)

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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