Polson Bay Weather Forecast

    • 48
    • 80

    Mostly Sunny

    • 52
    • 83

    Mostly Cloudy

    • 52
    • 87

    Mostly Sunny

    • 47
    • 81

    Mostly Sunny

    • 49
    • 82

    Mostly Sunny

    • 53
    • 88

    Partly Sunny

Today 18 Jun Flathead/Mission Valleys

Mostly sunny. Highs in the 70s to lower 80s.

Tonight 18 Jun Flathead/Mission Valleys

Mostly clear. Lows in the mid 40s to lower 50s.

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Polson Bay Temperature Statistics

June Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 14 June, 2026

    35.7 °F

  • Average June

    54.4 °F

  • Highest 15 June, 2026

    80.1 °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

    45.5 °F

  • Average High 2021–2026

    57.2 °F
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