Polson Bay Weather Forecast

    • 30
    • 51

    Increasing Clouds

    • 29
    • 49

    Chance Rain

    • 28
    • 49

    Partly Sunny

    • 29
    • 51

    Mostly Cloudy

    • 30
    • 51

    Mostly Cloudy

    • 31
    • 51

    Chance Rain

    • 30
    • 50

    Chance Rain

Today 31 Oct Flathead/Mission Valleys

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

Tonight 31 Oct Flathead/Mission Valleys

Mostly cloudy. Patchy fog late in the night. 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

    45.5 °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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