Polson Bay Weather Forecast

    • 28
    • 52

    Rain

    • 27
    • 52

    Partly Sunny

    • 26
    • 52

    Partly Sunny

    • 28
    • 52

    Rain Likely

    • 26
    • 50

    Rain Likely

    • 23
    • 48

    Chance Rain/Snow

Today 23 Oct Flathead/Mission Valleys

Partly cloudy. Highs in the mid 40s to lower 50s.

Tonight 23 Oct Flathead/Mission Valleys

Mostly cloudy early in the evening then becoming partly cloudy. Lows in the mid 20s to lower 30s.

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  • Temperature Forecast NOAA

  • 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

    46.3 °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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