Island Lake Weather Forecast

    • 48
    • 73

    Mostly Sunny

    • 55
    • 75

    Rain Showers

    • 52
    • 74

    Slight Chance Rain Showers

    • 48
    • 72

    Mostly Sunny

    • 48
    • 72

    Partly Sunny

    • 53
    • 76

    Chance Rain Showers

Today 19 Aug Vilas

Sunny. Highs in the middle 70s. Light and variable wind becoming northwest 5 to 10 Mph in the afternoon.

Tonight 19 Aug Vilas

Mostly clear. Lows in the upper 40s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

August Temperature

Manitowish Waters Airport (3.7 miles)

  • Lowest 17 August, 2026

    45.5 °F

  • Average August

    66 °F

  • Highest 3 August, 2026

    83.5 °F

Climate (2021–2026)

Manitowish Waters Airport (3.7 miles)

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  • Average Low 2021–2026

    29.7 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    50.2 °F
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