Glacier National Park Weather Forecast

    • 58
    • 87

    Increasing Clouds

    • 58
    • 86

    Slight Chance Thunderstorms

    • 50
    • 76

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 52
    • 79

    Slight Chance Thunderstorms

Today 21 Aug West Glacier Region

Partly cloudy. Highs in the 80s.

Tonight 21 Aug West Glacier Region

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s to lower 60s. East Winds to 15 Mph.

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Glacier National Park Temperature Statistics

August Temperature

Kalispell, Glacier Park International Airport (37.9 miles)

  • Lowest 5 August, 2026

    38.6 °F

  • Average August

    63.8 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (37.9 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    45.3 °F

  • Average High 2021–2026

    56.9 °F
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