Johnson Lake Weather Forecast

    • 61
    • 86

    Decreasing Clouds

    • 61
    • 84

    Chance Rain Showers

    • 58
    • 79

    Chance Rain Showers

    • 60
    • 79

    Chance Rain Showers

    • 62
    • 81

    Slight Chance Thunderstorms

    • 61
    • 82

    Chance Rain Showers

Today 31 Aug Price

Mostly cloudy this Morning, then becoming partly sunny. Hot with Highs in the upper 80s. South Winds around 5 Mph, becoming west around 5 Mph this afternoon.

Tonight 31 Aug Price

Partly cloudy. Patchy fog after midnight. Humid with Lows in the upper 50s. West Winds around 5 Mph in the Evening, becoming light and variable.

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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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