Missoula International Airport Weather Forecast

    • 37
    • 55

    Rain

    • 36
    • 52

    Rain

    • 29
    • 52

    Chance Rain

    • 32
    • 57

    Partly Sunny

    • 36
    • 60

    Slight Chance Rain

    • 40
    • 60

    Chance Rain

Today 18 Oct Missoula/Bitterroot Valleys

Partly cloudy. Patchy fog early in the morning. Highs in the 50s.

Tonight 18 Oct Missoula/Bitterroot Valleys

Mostly cloudy. A 50 percent chance of rain after midnight. Lows in the mid to upper 30s. South Winds to 15 Mph.

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Missoula International Airport Temperature Statistics

October Temperature

Missoula, Missoula International Airport (0 miles)

  • Lowest 6 October, 2025

    27 °F

  • Average October

    47.5 °F

  • Highest 10 October, 2025

    81 °F

Climate (2020–Present)

Missoula, Missoula International Airport (0 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    59.2 °F
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