Island Lake Weather Forecast

    • 54
    • 74

    Decreasing Clouds

    • 58
    • 80

    Partly Sunny

    • 57
    • 81

    Chance Rain Showers

    • 53
    • 73

    Mostly Sunny

    • 48
    • 66

    Slight Chance Thunderstorms

    • 45
    • 66

    Partly Sunny

Today 20 Aug Northern Marinette County

Mostly cloudy. Patchy fog in the morning. Highs in the lower 70s. Light and variable wind becoming north around 5 Mph in the afternoon.

Tonight 20 Aug Northern Marinette County

Partly 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

August Temperature

Menominee - Marinette Twin County Airport (24.9 miles)

  • Lowest 1 August, 2025

    52 °F

  • Average August

    71.3 °F

  • Highest 8 August, 2025

    87.1 °F

Climate (2020–Present)

Menominee - Marinette Twin County Airport (24.9 miles)

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  • Average Low 2020–2025

    37.8 °F

  • Average 2020–2025

    46.5 °F

  • Average High 2020–2025

    54.6 °F
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