Polson Bay Weather Forecast

    • 34
    • 61

    Increasing Clouds

    • 37
    • 64

    Mostly Cloudy

    • 36
    • 65

    Partly Sunny

    • 39
    • 66

    Partly Sunny

    • 38
    • 65

    Rain Likely

    • 31
    • 54

    Chance Rain

Today 18 Oct Flathead/Mission Valleys

Mostly sunny. Highs in the mid 50s to lower 60s.

Tonight 18 Oct Flathead/Mission Valleys

Partly cloudy. Lows in the upper 20s to mid 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

    46.9 °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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