Olson Airport Weather Forecast

    • 49
    • 79

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 52
    • 73

    Partly Sunny

    • 49
    • 75

    Chance Rain

Today 4 Oct Flathead/Mission Valleys

Mostly sunny. Highs in the upper 60s to mid 70s.

Tonight 4 Oct Flathead/Mission Valleys

Mostly clear. Lows in the mid 30s to lower 40s.

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Olson Airport Temperature Statistics

October Temperature

Missoula, Missoula International Airport (46 miles)

  • Lowest 1 October, 2026

    39.9 °F

  • Average October

    54.3 °F

  • Highest 2 October, 2026

    78.1 °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

    59.7 °F
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