Polson Bay Weather Forecast

    • 59
    • 90

    Becoming Sunny

    • 61
    • 97

    Slight Chance Thunderstorms

    • 61
    • 98

    Chance Rain Showers

    • 59
    • 97

    Hot

    • 60
    • 95

    Mostly Sunny

    • 62
    • 96

    Slight Chance Rain

Today 15 Jul Flathead/Mission Valleys

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

Tonight 15 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 5 July, 2026

    40.6 °F

  • Average July

    66.3 °F

  • Highest 11 July, 2026

    89.7 °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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