Johnson Lake Weather Forecast

    • 48
    • 65

    Chance Rain Showers

    • 51
    • 75

    Slight Chance Thunderstorms

    • 58
    • 82

    Slight Chance Thunderstorms

    • 59
    • 89

    Slight Chance Thunderstorms

    • 55
    • 83

    Chance Rain Showers

    • 52
    • 79

    Mostly Sunny

Today 23 May Price

Cloudy with a 50 percent chance of Showers. Near steady temperature in the lower 60s. South Winds 5 to 10 Mph.

Tonight 23 May Price

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the evening. Lows in the upper 40s. South Winds around 5 Mph, becoming southwest after midnight. 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

    49.4 °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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