Polson Bay Weather Forecast

    • 40
    • 75

    Partly Sunny

    • 38
    • 73

    Decreasing Clouds

    • 44
    • 73

    Partly Sunny

    • 38
    • 76

    Chance Rain

    • 29
    • 54

    Chance Rain/Snow

    • 24
    • 46

    Slight Chance Rain/Snow

    • 25
    • 48

    Partly Sunny

Today 6 Oct Flathead/Mission Valleys

Partly cloudy. Highs in the 50s.

Tonight 6 Oct Flathead/Mission Valleys

Mostly cloudy in the evening then becoming partly cloudy. Lows in the 30s to lower 40s.

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Polson Bay Temperature Statistics

October Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 3 October, 2026

    34 °F

  • Average October

    49.9 °F

  • Highest 4 October, 2026

    70 °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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