Polson Bay Weather Forecast

    • 38
    • 74

    Chance Rain

    • 28
    • 55

    Chance Rain/Snow

    • 25
    • 47

    Chance Rain/Snow

    • 26
    • 50

    Mostly Sunny

    • 30
    • 56

    Partly Sunny

    • 31
    • 58

    Partly Sunny

    • 28
    • 60

    Partly Sunny

Today 9 Oct Flathead/Mission Valleys

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

Tonight 9 Oct Flathead/Mission Valleys

Mostly cloudy with a 50 percent chance of Areas of rain. Lows in the 30s to lower 40s. Southwest Winds to 15 Mph with Gusts to around 30 Mph in the evening.

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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 6 October, 2026

    32 °F

  • Average October

    50.3 °F

  • Highest 5 October, 2026

    73.9 °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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