Polson Bay Weather Forecast

    • 61
    • 89

    Mostly Cloudy

    • 61
    • 92

    Patchy Smoke

    • 62
    • 96

    Partly Sunny

    • 61
    • 99

    Chance Rain

    • 61
    • 96

    Hot

    • 58
    • 94

    Mostly Sunny

    • 57
    • 94

    Mostly Sunny

Today 20 Jul Flathead/Mission Valleys

Mostly cloudy. Patchy smoke through the day. Highs in the 80s to lower 90s.

Tonight 20 Jul Flathead/Mission Valleys

Mostly cloudy with a 20 percent chance of rain Showers. Patchy smoke through the night. Lows in the upper 50s to mid 60s. Northeast 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

    67.6 °F

  • Highest 16 July, 2026

    92.6 °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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