Big Sky Park Weather Forecast

    • 45
    • 80

    Mostly Sunny

    • 48
    • 86

    Partly Sunny

    • 42
    • 63

    Chance Rain

    • 36
    • 64

    Slight Chance Rain

    • 42
    • 75

    Mostly Sunny

    • 48
    • 81

    Mostly Sunny

Today 2 May Missoula/Bitterroot Valleys

Mostly sunny. Highs in the mid 70s to lower 80s.

Tonight 2 May Missoula/Bitterroot Valleys

Mostly clear. Lows in the 40s.

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Big Sky Park Temperature Statistics

May Temperature

Missoula, Missoula International Airport (4.3 miles)

  • Lowest

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  • Average May

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Climate (2020–Present)

Missoula, Missoula International Airport (4.3 miles)

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  • Average Low 2020–2025

    35.4 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    58.9 °F
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