Island Lake Weather Forecast

    • 52
    • 70

    Chance Thunderstorms

    • 53
    • 67

    Chance Rain Showers

    • 55
    • 64

    Rain Showers Likely

    • 54
    • 68

    Chance Thunderstorms

    • 54
    • 69

    Slight Chance Thunderstorms

    • 51
    • 67

    Slight Chance Rain Showers

Today 18 Sep Vilas

Cooler. Mostly cloudy with a slight chance of Showers and Thunderstorms. Highs around 70. East wind 5 to 10 Mph. Chance of rain 20 percent.

Tonight 18 Sep Vilas

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 50s. East wind 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

September Temperature

Manitowish Waters Airport (3.7 miles)

  • Lowest 7 September, 2025

    36.9 °F

  • Average September

    56.8 °F

  • Highest 16 September, 2025

    81.5 °F

Climate (2020–Present)

Manitowish Waters Airport (3.7 miles)

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  • Average Low 2020–2025

    29.7 °F

  • Average 2020–2025

    40.5 °F

  • Average High 2020–2025

    50.1 °F
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