McDonald Peak Weather Forecast

    • 41
    • 53

    Partly Sunny

    • 42
    • 50

    Partly Sunny

    • 47
    • 57

    Mostly Cloudy

    • 32
    • 53

    Chance Snow

    • 29
    • 36

    Slight Chance Snow

    • 32
    • 40

    Partly Sunny

Today 22 Sep Potomac/Seeley Lake Region

Partly cloudy. Highs in the mid 50s to lower 60s.

Tonight 22 Sep Potomac/Seeley Lake Region

Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McDonald Peak Temperature Statistics

September Temperature

Missoula, Missoula International Airport (32.9 miles)

  • Lowest 9 September, 2026

    38.6 °F

  • Average September

    58.5 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (32.9 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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