Marion Weather Forecast

    • 40
    • 60

    Rain

    • 43
    • 70

    Partly Sunny

    • 42
    • 70

    Partly Sunny

    • 38
    • 59

    Chance Rain

    • 34
    • 55

    Chance Rain

    • 34
    • 56

    Chance Rain

Today 8 Sep Kootenai/Cabinet Region

Mostly cloudy. A 50 percent chance of Areas of rain in the morning. Areas of fog early in the morning. Patchy fog late in the morning. Highs in the 60s to lower 70s.

Tonight 8 Sep Kootenai/Cabinet Region

Partly cloudy. Patchy fog after midnight. Lows in the upper 30s to mid 40s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Marion Temperature Statistics

September Temperature

Kalispell, Glacier Park International Airport (22.4 miles)

  • Lowest 1 September, 2026

    41.6 °F

  • Average September

    59.1 °F

  • Highest 1 September, 2026

    84.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (22.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
Get WillyWeather+ to remove ads