Polson Bay Weather Forecast

    • 40
    • 76

    Partly Sunny

    • 40
    • 75

    Partly Sunny

    • 43
    • 73

    Mostly Sunny

    • 44
    • 74

    Mostly Sunny

    • 42
    • 77

    Mostly Cloudy

    • 31
    • 61

    Chance Rain/Snow

    • 28
    • 51

    Slight Chance Rain/Snow

Today 5 Oct Flathead/Mission Valleys

Mostly sunny. Highs in the upper 60s to mid 70s. Southwest Winds to 15 Mph.

Tonight 5 Oct Flathead/Mission Valleys

Partly cloudy. Lows in the mid 30s to lower 40s. Southwest Winds to 15 Mph.

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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

    34 °F

  • Average October

    48.5 °F

  • Highest 3 October, 2026

    69.1 °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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