Island Lake Weather Forecast

    • 39
    • 64

    Increasing Clouds

    • 41
    • 68

    Partly Sunny

    • 41
    • 64

    Mostly Sunny

    • 46
    • 64

    Partly Sunny

    • 49
    • 66

    Mostly Cloudy

    • 41
    • 65

    Partly Sunny

Today 20 Oct Northern Marinette County

Sunny. Highs in the lower 60s. Light and variable wind becoming southeast 5 to 10 Mph in the afternoon.

Tonight 20 Oct Northern Marinette County

Clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 30s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

October Temperature

Menominee - Marinette Twin County Airport (24.9 miles)

  • Lowest 17 October, 2026

    28.9 °F

  • Average October

    56 °F

  • Highest 11 October, 2026

    77 °F

Climate (2021–2026)

Menominee - Marinette Twin County Airport (24.9 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    54.5 °F
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