Polson Bay Weather Forecast

    • 24
    • 47

    Becoming Sunny

    • 34
    • 55

    Partly Sunny

    • 36
    • 61

    Mostly Cloudy

    • 38
    • 58

    Mostly Cloudy

    • 32
    • 55

    Chance Rain/Snow

    • 32
    • 52

    Chance Snow

    • 35
    • 53

    Chance Rain

Today 26 Mar Flathead/Mission Valleys

Partly cloudy. Highs in the 40s. West Winds 15 to 25 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 26 Mar Flathead/Mission Valleys

Mostly clear. Lows in the 20s. Southwest Winds to 15 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Polson Bay Temperature Statistics

March Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 15 March, 2026

    5.6 °F

  • Average March

    38.4 °F

  • Highest 20 March, 2026

    68.6 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (41.6 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
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