Polson Bay Weather Forecast

    • 34
    • 61

    Partly Sunny

    • 39
    • 64

    Chance Rain

    • 32
    • 56

    Rain

    • 30
    • 50

    Rain/Snow

    • 27
    • 47

    Rain Likely

    • 27
    • 48

    Chance Rain/Snow

    • 31
    • 52

    Chance Rain

Today 23 Oct Flathead/Mission Valleys

Partly cloudy. Highs in the mid 50s to lower 60s. Southwest Winds to 15 Mph.

Tonight 23 Oct Flathead/Mission Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 30s. Southwest Winds to 15 Mph.

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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 18 October, 2025

    23 °F

  • Average October

    44.7 °F

  • Highest 9 October, 2025

    73.9 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (41.6 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    56.9 °F
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