Polson Airport Weather Forecast

    • 45
    • 74

    Gradual Clearing

    • 46
    • 74

    Partly Sunny

    • 50
    • 80

    Partly Sunny

    • 45
    • 76

    Mostly Sunny

    • 48
    • 80

    Partly Sunny

    • 47
    • 76

    Partly Sunny

Today 8 May Flathead/Mission Valleys

Mostly cloudy. Highs in the upper 60s to mid 70s. Southwest Winds to 15 Mph.

Tonight 8 May Flathead/Mission Valleys

Mostly cloudy in the evening then becoming partly cloudy. Lows in the 40s.

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Polson Airport Temperature Statistics

May Temperature

Kalispell, Glacier Park International Airport (42.3 miles)

  • Lowest 1 May, 2026

    30.7 °F

  • Average May

    53.4 °F

  • Highest 3 May, 2026

    73.7 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (42.3 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.1 °F
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