Johnson Lake Weather Forecast

    • 51
    • 66

    Mostly Cloudy

    • 54
    • 74

    Mostly Sunny

    • 57
    • 68

    Rain Showers Likely

    • 55
    • 68

    Chance Rain Showers

    • 41
    • 63

    Partly Sunny

    • 38
    • 61

    Partly Sunny

    • 42
    • 60

    Mostly Cloudy

Today 27 Sep Price

Mostly cloudy. A 20 percent chance of Showers. Lows in the upper 30s. Highs in the upper 50s.

Tonight 27 Sep Price

Mostly cloudy. Areas of fog after midnight. Lows in the upper 40s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

September Temperature

Tomahawk Regional Airport (18.6 miles)

  • Lowest 14 September, 2026

    34.3 °F

  • Average September

    64.5 °F

  • Highest 1 September, 2026

    93.4 °F

Climate (2021–2026)

Tomahawk Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    31.8 °F

  • Average 2021–2026

    43.7 °F

  • Average High 2021–2026

    54.4 °F
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