Polson Bay Weather Forecast

    • 56
    • 90

    Mostly Sunny

    • 58
    • 93

    Mostly Sunny

    • 57
    • 93

    Partly Sunny

    • 53
    • 87

    Partly Sunny

    • 53
    • 85

    Slight Chance Rain

    • 54
    • 85

    Partly Sunny

Today 30 Jun Flathead/Mission Valleys

Mostly sunny. Highs in the 80s to lower 90s.

Tonight 30 Jun Flathead/Mission Valleys

Mostly clear. Lows in the 50s.

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Polson Bay Temperature Statistics

June Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 3 June, 2025

    33.7 °F

  • Average June

    61.6 °F

  • Highest 9 June, 2025

    91.7 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (41.6 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    45 °F

  • Average High 2020–2025

    56.7 °F
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