Johnson Lake Weather Forecast

    • 64
    • 81

    Slight Chance Rain Showers

    • 59
    • 80

    Partly Sunny

    • 61
    • 77

    Mostly Cloudy

    • 61
    • 75

    Rain Showers

    • 63
    • 74

    Chance Rain Showers

    • 57
    • 78

    Slight Chance Thunderstorms

Today 4 Sep Price

Areas of dense fog this morning. Mostly cloudy with a slight chance of Showers this Morning, then partly sunny this afternoon. Hot with Highs in the lower 80s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 4 Sep Price

Mostly cloudy. A slight chance of Showers in the evening. Patchy dense fog after midnight. Humid with Lows in the lower 60s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Johnson Lake Temperature Statistics

September Temperature

Tomahawk Regional Airport (18.6 miles)

  • Lowest 1 September, 2026

    55.9 °F

  • Average September

    74.6 °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

    31.7 °F

  • Average 2021–2026

    43.6 °F

  • Average High 2021–2026

    54.3 °F
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