Johnson Lake Weather Forecast

    • 47
    • 72

    Becoming Sunny

    • 43
    • 70

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 59
    • 77

    Chance Thunderstorms

    • 55
    • 77

    Chance Rain Showers

    • 54
    • 77

    Partly Sunny

Today 22 Aug Price

Mostly sunny. Scattered Sprinkles this afternoon. Highs in the lower 70s. Northwest Winds 10 to 15 Mph.

Tonight 22 Aug Price

Mostly clear. Cold with Lows in the mid 40s. North Winds 5 to 10 Mph.

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Johnson Lake Temperature Statistics

August Temperature

Tomahawk Regional Airport (18.6 miles)

  • Lowest 20 August, 2026

    38.5 °F

  • Average August

    67 °F

  • Highest 12 August, 2026

    85.5 °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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