Olson Airport Weather Forecast

    • 45
    • 66

    Mostly Cloudy

    • 44
    • 65

    Partly Sunny

    • 46
    • 68

    Partly Sunny

    • 43
    • 65

    Rain

    • 33
    • 49

    Rain/Snow Likely

    • 34
    • 49

    Chance Rain/Snow

Today 19 Oct Flathead/Mission Valleys

Partly cloudy. Highs in the mid 40s to lower 50s.

Tonight 19 Oct Flathead/Mission Valleys

Mostly cloudy. Lows in the 30s to lower 40s.

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Olson Airport Temperature Statistics

October Temperature

Missoula, Missoula International Airport (46 miles)

  • Lowest 15 October, 2026

    25.6 °F

  • Average October

    50.1 °F

  • Highest 5 October, 2026

    81.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (46 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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