Olson Airport Weather Forecast

    • 36
    • 51

    Increasing Clouds

    • 36
    • 47

    Chance Rain

    • 34
    • 49

    Partly Sunny

    • 36
    • 51

    Mostly Cloudy

    • 37
    • 51

    Mostly Cloudy

    • 37
    • 51

    Chance Rain/Snow

    • 36
    • 50

    Chance Rain/Snow

Today 31 Oct Flathead/Mission Valleys

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

Tonight 31 Oct Flathead/Mission Valleys

Mostly cloudy. Patchy fog late in the night. Lows in the mid 20s to lower 30s.

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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

    48.3 °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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