Blue Mountain Weather Forecast

    • 52
    • 74

    Becoming Sunny

    • 51
    • 73

    Mostly Sunny

    • 50
    • 74

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 55
    • 76

    Mostly Sunny

Today 20 Aug Lower Clark Fork Region

Mostly sunny. Highs in the 80s. West Winds to 15 Mph in the afternoon.

Tonight 20 Aug Lower Clark Fork Region

Mostly clear. Lows in the upper 40s to mid 50s. West Winds to 15 Mph.

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Blue Mountain Temperature Statistics

August Temperature

Missoula, Missoula International Airport (8.1 miles)

  • Lowest 8 August, 2025

    47.6 °F

  • Average August

    68.3 °F

  • Highest 12 August, 2025

    94.6 °F

Climate (2020–Present)

Missoula, Missoula International Airport (8.1 miles)

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  • Average Low 2020–2025

    35.5 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    59.2 °F
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