Polson Bay Weather Forecast

    • 58
    • 91

    Mostly Sunny

    • 57
    • 93

    Partly Sunny

    • 54
    • 89

    Mostly Sunny

    • 58
    • 91

    Mostly Sunny

    • 58
    • 92

    Mostly Sunny

    • 60
    • 92

    Partly Sunny

Today 7 Jul Flathead/Mission Valleys

Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the 80s to lower 90s.

Tonight 7 Jul Flathead/Mission Valleys

Mostly clear. Lows in the mid 50s to lower 60s.

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Polson Bay Temperature Statistics

July Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 2 July, 2026

    43.6 °F

  • Average July

    63.2 °F

  • Highest 4 July, 2026

    82 °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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