Island Lake Weather Forecast

    • 49
    • 71

    Increasing Clouds

    • 45
    • 73

    Partly Sunny

    • 48
    • 62

    Rain Showers Likely

    • 47
    • 66

    Chance Rain Showers

    • 46
    • 68

    Mostly Cloudy

    • 46
    • 67

    Patchy Fog

Today 16 Sep Vilas

Partly cloudy. Highs in the lower 70s. Light and variable wind.

Tonight 16 Sep Vilas

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 40s. Light and variable wind. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

September Temperature

Manitowish Waters Airport (3.7 miles)

  • Lowest 14 September, 2026

    37 °F

  • Average September

    68.4 °F

  • Highest 1 September, 2026

    92.7 °F

Climate (2021–2026)

Manitowish Waters Airport (3.7 miles)

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  • Average Low 2021–2026

    29.8 °F

  • Average 2021–2026

    40.7 °F

  • Average High 2021–2026

    50.3 °F
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