Polson Bay Weather Forecast

    • 38
    • 73

    Mostly Sunny

    • 43
    • 73

    Increasing Clouds

    • 39
    • 71

    Chance Rain

    • 27
    • 55

    Chance Rain/Snow

    • 25
    • 47

    Mostly Cloudy

    • 26
    • 52

    Partly Sunny

    • 32
    • 57

    Partly Sunny

Today 7 Oct Flathead/Mission Valleys

Mostly cloudy with a 30 percent chance of rain. Highs in the 50s.

Tonight 7 Oct Flathead/Mission Valleys

Mostly clear. Lows in the 30s to lower 40s.

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  • Temperature Real-Time

Polson Bay Temperature Statistics

October Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 3 October, 2026

    33.7 °F

  • Average October

    50.4 °F

  • Highest 5 October, 2026

    73.9 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (41.6 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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