Polson Bay Weather Forecast

    • 37
    • 61

    Mostly Cloudy

    • 43
    • 69

    Mostly Cloudy

    • 31
    • 57

    Chance Rain

    • 32
    • 55

    Partly Sunny

    • 33
    • 59

    Mostly Sunny

    • 37
    • 63

    Mostly Sunny

    • 37
    • 65

    Partly Sunny

Today 5 Apr Flathead/Mission Valleys

Partly cloudy. Highs in the mid 50s to lower 60s.

Tonight 5 Apr Flathead/Mission Valleys

Mostly cloudy. Lows in the 30s to lower 40s. East Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Polson Bay Temperature Statistics

April Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 1 April, 2026

    27.6 °F

  • Average April

    41.2 °F

  • Highest 1 April, 2026

    54.6 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (41.6 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.1 °F
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