Polson Bay Weather Forecast

    • 52
    • 90

    Becoming Sunny

    • 52
    • 95

    Mostly Sunny

    • 61
    • 96

    Partly Sunny

    • 61
    • 93

    Partly Sunny

    • 63
    • 94

    Partly Sunny

    • 62
    • 96

    Partly Sunny

Today 9 Jul Flathead/Mission Valleys

Mostly sunny. Highs in the 80s. Southwest Winds to 15 Mph in the afternoon.

Tonight 9 Jul Flathead/Mission Valleys

Mostly clear. Lows in the upper 40s to mid 50s. Southwest Winds to 15 Mph.

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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

    63.8 °F

  • Highest 4 July, 2026

    83.6 °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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