Johnson Lake Weather Forecast

    • 53
    • 81

    Rain Showers Likely

    • 59
    • 76

    Mostly Sunny

    • 58
    • 78

    Chance Rain Showers

    • 56
    • 78

    Slight Chance Thunderstorms

    • 55
    • 77

    Slight Chance Thunderstorms

    • 52
    • 75

    Slight Chance Thunderstorms

    • 51
    • 73

    Partly Sunny

Today 7 Aug Price

Showers likely with a chance of Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. Highs in the lower 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 7 Aug Price

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Patchy fog. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall. Lows in the lower 50s. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph this evening. Chance of rain 50 percent.

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Johnson Lake Temperature Statistics

August Temperature

Tomahawk Regional Airport (18.6 miles)

  • Lowest 5 August, 2026

    48.4 °F

  • Average August

    67.6 °F

  • Highest 1 August, 2026

    84.6 °F

Climate (2021–2026)

Tomahawk Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    31.7 °F

  • Average 2021–2026

    43.6 °F

  • Average High 2021–2026

    54.2 °F
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