Polson Bay Weather Forecast

    • 34
    • 70

    Decreasing Clouds

    • 33
    • 60

    Mostly Sunny

    • 39
    • 63

    Mostly Cloudy

    • 37
    • 61

    Partly Sunny

    • 38
    • 62

    Partly Sunny

    • 37
    • 62

    Mostly Cloudy

Today 17 Oct Flathead/Mission Valleys

Partly cloudy. Areas of frost in the morning. Highs in the 60s to lower 70s. Southwest Winds 15 to 25 Mph with Gusts to around 35 Mph in the afternoon.

Tonight 17 Oct Flathead/Mission Valleys

Mostly clear. Patchy fog after midnight. Lows in the upper 20s to mid 30s. Southwest Winds 15 to 20 Mph with Gusts to around 30 Mph.

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  • Temperature Real-Time

Polson Bay Temperature Statistics

October Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 13 October, 2026

    21.9 °F

  • Average October

    47.5 °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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