Glacier National Park Weather Forecast

    • 37
    • 53

    Chance Rain

    • 35
    • 55

    Chance Rain

    • 39
    • 59

    Chance Rain

    • 42
    • 63

    Chance Rain

    • 42
    • 63

    Chance Rain

    • 44
    • 68

    Mostly Sunny

Today 20 May West Glacier Region

Areas of rain and snow in the Morning, then rain Showers likely and a slight chance of Thunderstorms in the afternoon. Snow likely late in the afternoon. Chance of precipitation 70 percent. Snow level 6000 feet. Little or no new snow accumulation. Highs in the mid 40s to lower 50s. Southwest Winds to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 20 May West Glacier Region

Mostly cloudy with a slight chance of rain. Slight chance of snow in the evening. Chance of precipitation 20 percent. Lows in the 30s. Southwest Winds 15 to 20 Mph with Gusts to around 30 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Glacier National Park Temperature Statistics

May Temperature

Kalispell, Glacier Park International Airport (37.9 miles)

  • Lowest 6 May, 2025

    25.8 °F
  • Average May

    53.2 °F
  • Highest 3 May, 2025

    79.6 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (37.9 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    33 °F
  • Average 2020–2025

    44.9 °F
  • Average High 2020–2025

    56.6 °F
Get WillyWeather+ to remove ads