Polson Bay Weather Forecast

    • 48
    • 86

    Increasing Clouds

    • 41
    • 77

    Chance Rain

    • 40
    • 70

    Chance Rain

    • 45
    • 79

    Mostly Sunny

    • 46
    • 83

    Partly Sunny

    • 43
    • 77

    Chance Rain

Today 28 Aug Flathead/Mission Valleys

Mostly sunny. Highs in the upper 70s to mid 80s. Southwest Winds to 15 Mph.

Tonight 28 Aug Flathead/Mission Valleys

Partly cloudy. Lows in the mid 40s to lower 50s. West Winds to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Polson Bay Temperature Statistics

August Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 5 August, 2026

    38.6 °F

  • Average August

    64.8 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (41.6 miles)

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

  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
Get WillyWeather+ to remove ads