Polson Bay Weather Forecast

    • 26
    • 50

    Chance Rain/Snow

    • 32
    • 59

    Mostly Sunny

    • 39
    • 68

    Partly Sunny

    • 43
    • 74

    Mostly Sunny

    • 44
    • 74

    Partly Sunny

    • 41
    • 66

    Chance Rain

Today 17 Apr Flathead/Mission Valleys

Mostly cloudy. Areas of snow in the Morning, then chance of rain Showers, snow Showers and a slight chance of Thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the mid 40s to lower 50s. West Winds to 15 Mph.

Tonight 17 Apr Flathead/Mission Valleys

Mostly clear. Lows in the 20s to lower 30s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Polson Bay Temperature Statistics

April Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 8 April, 2026

    20.6 °F

  • Average April

    44.7 °F

  • Highest 6 April, 2026

    67.6 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (41.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
Get WillyWeather+ to remove ads