Johnson Lake Weather Forecast

    • 53
    • 76

    Thunderstorms Likely

    • 53
    • 75

    Partly Sunny

    • 59
    • 80

    Mostly Sunny

    • 61
    • 82

    Slight Chance Thunderstorms

    • 61
    • 81

    Chance Thunderstorms

    • 58
    • 80

    Chance Rain Showers

Today 4 Aug Price

Mostly cloudy with Showers and Thunderstorms likely in the Morning, then mostly sunny in the afternoon. Humid with Highs in the mid 70s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph, becoming northwest in the afternoon. Chance of rain 70 percent.

Tonight 4 Aug Price

Partly cloudy and not as cool. Near steady temperature in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Johnson Lake Temperature Statistics

August Temperature

Tomahawk Regional Airport (18.6 miles)

  • Lowest 1 August, 2026

    58.8 °F

  • Average August

    70.9 °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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