Polson Bay Weather Forecast

    • 57
    • 97

    Hot

    • 56
    • 93

    Mostly Sunny

    • 61
    • 91

    Mostly Cloudy

    • 61
    • 95

    Partly Sunny

    • 62
    • 96

    Partly Sunny

    • 62
    • 96

    Partly Sunny

Today 18 Jul Flathead/Mission Valleys

Mostly sunny. Patchy fog early in the morning. Highs in the upper 80s to mid 90s.

Tonight 18 Jul Flathead/Mission Valleys

Mostly clear. Patchy smoke through the night. Lows in the 50s. Southwest Winds to 15 Mph in the evening.

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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

    66.5 °F

  • Highest 16 July, 2026

    91 °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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