Polson Bay Weather Forecast

    • 38
    • 67

    Rain

    • 29
    • 52

    Rain

    • 28
    • 53

    Partly Sunny

    • 25
    • 52

    Mostly Cloudy

    • 26
    • 52

    Chance Rain/Snow

    • 26
    • 52

    Chance Rain

Today 22 Oct Flathead/Mission Valleys

Partly cloudy with a 20 percent chance of rain and snow. Highs in the mid 40s to lower 50s.

Tonight 22 Oct Flathead/Mission Valleys

Partly cloudy early in the Evening, then mostly cloudy with Areas of rain in the late evening and early morning. Rain likely late in the night. Patchy fog after midnight. Chance of rain 70 percent. Lows in the mid 30s to lower 40s.

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Polson Bay Temperature Statistics

October Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 13 October, 2026

    21.7 °F

  • Average October

    46.6 °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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