Johnson Lake Weather Forecast

    • 56
    • 77

    Increasing Clouds

    • 59
    • 71

    Rain Showers Likely

    • 65
    • 79

    Chance Rain Showers

    • 62
    • 83

    Slight Chance Thunderstorms

    • 58
    • 81

    Slight Chance Thunderstorms

    • 58
    • 80

    Partly Sunny

Today 28 Aug Price

Patchy fog this morning. Sunny. Highs in the upper 70s. West Winds around 5 Mph.

Tonight 28 Aug Price

Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the mid 50s. East Winds around 5 Mph, becoming south after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

August Temperature

Tomahawk Regional Airport (18.6 miles)

  • Lowest 24 August, 2026

    34.9 °F

  • Average August

    66.1 °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

    31.6 °F

  • Average 2021–2026

    43.6 °F

  • Average High 2021–2026

    54.3 °F
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