Polson Airport Weather Forecast

    • 34
    • 59

    Increasing Clouds

    • 38
    • 61

    Mostly Cloudy

    • 40
    • 67

    Mostly Sunny

    • 45
    • 66

    Mostly Cloudy

    • 42
    • 67

    Partly Sunny

    • 43
    • 68

    Partly Sunny

    • 42
    • 66

    Partly Sunny

Today 26 Sep Flathead/Mission Valleys

Partly cloudy. Highs in the 60s.

Tonight 26 Sep Flathead/Mission Valleys

Mostly clear until early morning then becoming mostly cloudy. Lows in the 30s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Polson Airport Temperature Statistics

September Temperature

Kalispell, Glacier Park International Airport (42.3 miles)

  • Lowest 24 September, 2026

    37.9 °F

  • Average September

    56.8 °F

  • Highest 1 September, 2026

    84.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (42.3 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