Johnson Lake Weather Forecast

    • 57
    • 86

    Chance Thunderstorms

    • 47
    • 84

    Slight Chance Thunderstorms

    • 49
    • 77

    Sunny

    • 55
    • 85

    Mostly Sunny

    • 50
    • 82

    Slight Chance Thunderstorms

    • 51
    • 80

    Mostly Sunny

Today 26 May Price

Mostly sunny with a slight chance of Showers and Thunderstorms. Hot with Highs in the upper 80s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 26 May Price

Mostly cloudy with a chance of Thunderstorms with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows in the upper 50s. Northeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

May Temperature

Tomahawk Regional Airport (18.6 miles)

  • Lowest 2 May, 2026

    20.8 °F

  • Average May

    50.5 °F

  • Highest 15 May, 2026

    82 °F

Climate (2021–Present)

Tomahawk Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    31.5 °F

  • Average 2021–2026

    43.4 °F

  • Average High 2021–2026

    54.1 °F
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