Polson Bay Weather Forecast

    • 33
    • 59

    Mostly Sunny

    • 41
    • 65

    Partly Sunny

    • 41
    • 65

    Rain Showers Likely

    • 36
    • 56

    Rain Likely

    • 35
    • 50

    Chance Rain

    • 36
    • 54

    Mostly Cloudy

Today 9 Apr Flathead/Mission Valleys

Sunny. Highs in the mid 50s to lower 60s.

Tonight 9 Apr Flathead/Mission Valleys

Mostly clear. Lows in the upper 20s to mid 30s.

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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 4 April, 2026

    25 °F

  • Average April

    43 °F

  • Highest 6 April, 2026

    66.9 °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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