Polson Bay Weather Forecast

    • 37
    • 64

    Partly Sunny

    • 35
    • 64

    Partly Sunny

    • 38
    • 66

    Partly Sunny

    • 36
    • 64

    Rain

    • 27
    • 51

    Chance Rain

    • 27
    • 50

    Chance Rain/Snow

Today 19 Oct Flathead/Mission Valleys

Partly cloudy. Highs in the upper 50s to mid 60s.

Tonight 19 Oct Flathead/Mission Valleys

Mostly cloudy. Lows in the 30s.

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  • Temperature Real-Time

Polson Bay Temperature Statistics

October Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 13 October, 2026

    21.7 °F

  • Average October

    46.8 °F

  • Highest 5 October, 2026

    74.6 °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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