High Island Lake Weather Forecast

    • 52
    • 77

    Mostly Sunny

    • 58
    • 77

    Slight Chance Rain Showers

    • 62
    • 77

    Slight Chance Thunderstorms

    • 62
    • 83

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

Today 22 Aug Sibley

Sunny. Highs in the upper 70s. Northwest Winds 5 to 15 Mph.

Tonight 22 Aug Sibley

Clear. Lows in the lower 50s. North Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

High Island Lake Temperature Statistics

August Temperature

Glencoe Municipal Airport (8.1 miles)

  • Lowest 8 August, 2026

    52.7 °F

  • Average August

    70.5 °F

  • Highest 12 August, 2026

    85.1 °F

Climate (2021–2026)

Glencoe Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    56.1 °F
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