Big Sky Lake Weather Forecast

    • 43
    • 71

    Mostly Sunny

    • 44
    • 75

    Chance Rain

    • 39
    • 59

    Rain Likely

    • 33
    • 53

    Slight Chance Rain

    • 38
    • 64

    Mostly Sunny

    • 45
    • 72

    Mostly Sunny

Today 2 May Potomac/Seeley Lake Region

Mostly sunny. Highs in the upper 60s to mid 70s.

Tonight 2 May Potomac/Seeley Lake Region

Mostly clear. Lows in the 40s.

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Big Sky Lake Temperature Statistics

May Temperature

Missoula, Missoula International Airport (35.4 miles)

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  • Average May

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Climate (2020–Present)

Missoula, Missoula International Airport (35.4 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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