Deweys Bay Weather Forecast

    • 37
    • 51

    Mostly Cloudy

    • 36
    • 55

    Mostly Sunny

    • 41
    • 58

    Mostly Sunny

    • 42
    • 58

    Mostly Cloudy

    • 44
    • 62

    Rain Likely

    • 38
    • 52

    Rain Likely

Today 20 Oct Flathead/Mission Valleys

Partly cloudy. Areas of rain early in the morning. Slight chance of rain in the afternoon. Chance of rain 50 percent. Highs in the mid 40s to lower 50s. Southwest Winds to 15 Mph.

Tonight 20 Oct Flathead/Mission Valleys

Mostly cloudy with a 20 percent chance of rain in the Evening, then partly cloudy after midnight. Lows in the mid 20s to lower 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deweys Bay Temperature Statistics

October Temperature

Kalispell, Glacier Park International Airport (27.3 miles)

  • Lowest 18 October, 2025

    23 °F

  • Average October

    44.9 °F

  • Highest 9 October, 2025

    73.9 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (27.3 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    56.8 °F
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