Island Lake Weather Forecast

    • 54
    • 74

    Mostly Cloudy

    • 39
    • 64

    Decreasing Clouds

    • 35
    • 57

    Partly Sunny

    • 43
    • 59

    Chance Rain Showers

    • 34
    • 58

    Mostly Sunny

    • 35
    • 55

    Partly Sunny

    • 46
    • 63

    Mostly Cloudy

Today 30 Sep Vilas

Mostly sunny. Highs in the upper 60s.

Tonight 30 Sep Vilas

Mostly cloudy. Patchy fog after midnight. Lows in the middle 50s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

September Temperature

Manitowish Waters Airport (3.7 miles)

  • Lowest 22 September, 2026

    34.3 °F

  • Average September

    62.7 °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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