Polson Bay Weather Forecast

    • 50
    • 89

    Smoke

    • 51
    • 88

    Areas Smoke

    • 48
    • 85

    Chance Rain

    • 46
    • 79

    Chance Rain

    • 47
    • 80

    Partly Sunny

    • 50
    • 84

    Partly Sunny

Today 10 Aug Flathead/Mission Valleys

Mostly sunny. Smoke. Highs in the 80s.

Tonight 10 Aug Flathead/Mission Valleys

Mostly clear. Smoke in the Evening, then patchy smoke after midnight. Lows in the upper 40s to mid 50s. Southwest Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Polson Bay Temperature Statistics

August Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 5 August, 2026

    38.6 °F

  • Average August

    63 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (41.6 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    45.3 °F

  • Average High 2021–2026

    57 °F
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