Lake Arrowhead Weather Forecast

    • 59
    • 74

    Rain Showers

    • 59
    • 72

    Chance Rain Showers

    • 46
    • 68

    Chance Rain Showers

    • 40
    • 64

    Mostly Sunny

    • 44
    • 64

    Partly Sunny

    • 39
    • 64

    Mostly Sunny

    • 41
    • 61

    Mostly Sunny

Today 29 Sep Adams

Mostly sunny. Highs in the lower 60s.

Tonight 29 Sep Adams

Showers with a slight chance of Thunderstorms. Lows in the upper 50s. South Winds 10 to 15 Mph. Gusts up to 30 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Arrowhead Temperature Statistics

September Temperature

Wisconsin Rapids, Alexander Field South Wood County Airport (9.9 miles)

  • Lowest 14 September, 2026

    39.7 °F

  • Average September

    63.8 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Wisconsin Rapids, Alexander Field South Wood County Airport (9.9 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    57.4 °F
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