Glacier National Park Weather Forecast

    • 48
    • 77

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 56
    • 84

    Partly Sunny

Today 21 Aug West Glacier Region

Mostly sunny. Highs in the 70s.

Tonight 21 Aug West Glacier Region

Mostly clear. Lows in the mid 40s to lower 50s. Northeast Winds to 15 Mph.

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Glacier National Park Temperature Statistics

August Temperature

Kalispell, Glacier Park International Airport (37.9 miles)

  • Lowest 15 August, 2025

    43.6 °F

  • Average August

    65.9 °F

  • Highest 12 August, 2025

    91.7 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (37.9 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    45 °F

  • Average High 2020–2025

    56.7 °F
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