Polson Bay Weather Forecast

    • 43
    • 74

    Rain Showers

    • 41
    • 68

    Rain Likely

    • 41
    • 69

    Rain Showers Likely

    • 42
    • 71

    Chance Rain

    • 45
    • 75

    Chance Rain

    • 43
    • 71

    Rain Showers Likely

Today 2 Sep Flathead/Mission Valleys

Areas of rain in the Morning, then rain Showers likely and a chance of Thunderstorms in the afternoon. Chance of precipitation 80 percent. Some Thunderstorms may produce gusty Winds. Highs in the upper 60s to mid 70s. Southwest Winds to 15 Mph in the afternoon.

Tonight 2 Sep Flathead/Mission Valleys

Mostly cloudy with a 50 percent chance of rain. Patchy fog after midnight. Lows in the 40s.

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Polson Bay Temperature Statistics

September Temperature

Kalispell, Glacier Park International Airport (41.6 miles)

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  • Average September

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Climate (2021–2026)

Kalispell, Glacier Park International Airport (41.6 miles)

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  • Average Low 2021–2026

    33.3 °F
  • Average 2021–2026

    45.4 °F
  • Average High 2021–2026

    57 °F
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