Johnson Lake Weather Forecast

    • 56
    • 74

    Mostly Cloudy

    • 38
    • 64

    Gradual Clearing

    • 37
    • 59

    Mostly Sunny

    • 45
    • 60

    Chance Rain Showers

    • 35
    • 62

    Mostly Sunny

    • 37
    • 57

    Mostly Sunny

    • 47
    • 62

    Mostly Cloudy

Today 30 Sep Price

Mostly sunny with a 20 percent chance of Showers. Highs in the upper 60s.

Tonight 30 Sep Price

Mostly cloudy. Patchy fog. Lows in the mid 50s. West Winds around 5 Mph.

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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

    64.1 °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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