Johnson Lake Weather Forecast

    • 43
    • 71

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 60
    • 77

    Chance Thunderstorms

    • 56
    • 77

    Chance Rain Showers

    • 53
    • 76

    Mostly Sunny

    • 56
    • 77

    Partly Sunny

Today 23 Aug Price

Sunny. Highs in the lower 70s. North Winds 5 to 10 Mph.

Tonight 23 Aug Price

Clear. Patchy fog. Lows in the mid 40s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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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