Polson Bay Weather Forecast

    • 30
    • 42

    Chance Rain

    • 32
    • 44

    Chance Rain

    • 32
    • 44

    Rain Likely

    • 26
    • 43

    Rain/Snow

    • 22
    • 38

    Slight Chance Snow

    • 24
    • 37

    Mostly Cloudy

Today 23 Dec Flathead/Mission Valleys

Mostly cloudy. Areas of snow through the day. Slight chance of light freezing rain late in the Morning, then Areas of rain in the afternoon. Patchy fog late in the morning. Chance of precipitation 40 percent. Highs in the mid 30s to lower 40s.

Tonight 23 Dec Flathead/Mission Valleys

Mostly cloudy with a chance of rain. A chance of snow in the Evening, then slight chance of light freezing rain after midnight. Patchy fog through the night. Chance of precipitation 50 percent. Lows in the upper 20s to mid 30s.

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Polson Bay Temperature Statistics

December Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

  • Lowest 1 December, 2025

    19.4 °F

  • Average December

    35.6 °F

  • Highest 15 December, 2025

    53.6 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (41.6 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    57 °F
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