Old Agency Weather Forecast

    • 35
    • 66

    Mostly Sunny

    • 37
    • 69

    Partly Sunny

    • 40
    • 68

    Mostly Cloudy

    • 28
    • 54

    Chance Rain

    • 28
    • 53

    Chance Rain/Snow

    • 28
    • 55

    Slight Chance Rain/Snow

Today 20 Oct Flathead/Mission Valleys

Partly cloudy. Highs in the 60s.

Tonight 20 Oct Flathead/Mission Valleys

Mostly clear. Patchy fog after midnight. Lows in the 30s.

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Old Agency Temperature Statistics

October Temperature

Missoula, Missoula International Airport (29.2 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 (29.2 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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