Island Lake Weather Forecast

    • 54
    • 80

    Decreasing Clouds

    • 51
    • 81

    Mostly Sunny

    • 47
    • 73

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

    • 52
    • 80

    Partly Sunny

    • 51
    • 76

    Slight Chance Rain

Today 15 Jun Kootenai/Cabinet Region

Mostly cloudy. Highs in the 80s.

Tonight 15 Jun Kootenai/Cabinet Region

Mostly cloudy in the evening then becoming partly cloudy. Lows in the 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

June Temperature

Kalispell, Glacier Park International Airport (32.3 miles)

  • Lowest 8 June, 2026

    36.6 °F

  • Average June

    54 °F

  • Highest 5 June, 2026

    73.7 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (32.3 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
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