Polson Weather Forecast

    • 58
    • 90

    Slight Chance Thunderstorms

    • 56
    • 93

    Mostly Sunny

    • 57
    • 92

    Mostly Sunny

    • 54
    • 89

    Mostly Sunny

    • 55
    • 85

    Partly Sunny

    • 54
    • 85

    Partly Sunny

Today 1 Sep Flathead/Mission Valleys

Partly cloudy. Areas of smoke in the afternoon. A 20 percent chance of Showers and Thunderstorms late in the afternoon. Highs in the upper 80s to mid 90s.

Tonight 1 Sep Flathead/Mission Valleys

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Areas of smoke in the evening. Lows in the 50s to lower 60s.

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Polson Temperature Statistics

September Temperature

Kalispell, Glacier Park International Airport (42.3 miles)

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Climate (2020–Present)

Kalispell, Glacier Park International Airport (42.3 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    45.1 °F

  • Average High 2020–2025

    56.8 °F
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