Glacier National Park Weather Forecast

    • 37
    • 55

    Chance Rain Showers

    • 44
    • 63

    Mostly Sunny

    • 42
    • 69

    Breezy

    • 41
    • 64

    Partly Sunny

    • 46
    • 69

    Mostly Sunny

    • 47
    • 72

    Mostly Sunny

    • 47
    • 70

    Partly Sunny

Today 20 Sep West Glacier Region

Slight chance of Thunderstorms until late afternoon. Rain Showers likely in the Morning, then chance of rain Showers in the afternoon. Chance of precipitation 70 percent. Highs in the mid 40s to lower 50s. Southwest Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Glacier National Park Temperature Statistics

September Temperature

Kalispell, Glacier Park International Airport (37.9 miles)

  • Lowest 17 September, 2021

    28 °F
  • Average September

    57.4 °F
  • Highest 5 September, 2021

    86 °F

Climate (2010–Present)

Kalispell, Glacier Park International Airport (37.9 miles)

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  • Average Low 2010–Present

    33.8 °F
  • Average 2010–Present

    45.2 °F
  • Average High 2010–Present

    56.5 °F
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