Polson Bay Weather Forecast

    • 48
    • 82

    Increasing Clouds

    • 51
    • 89

    Mostly Sunny

    • 54
    • 96

    Sunny

    • 54
    • 99

    Hot

    • 53
    • 94

    Mostly Sunny

    • 52
    • 92

    Mostly Sunny

Today 4 Aug Flathead/Mission Valleys

Mostly sunny. Patchy smoke early in the morning. Highs in the mid 70s to lower 80s.

Tonight 4 Aug Flathead/Mission Valleys

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

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  • Temperature Real-Time

Polson Bay Temperature Statistics

August Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 1 August, 2026

    50 °F

  • Average August

    71.5 °F

  • Highest 1 August, 2026

    93 °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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