Big Sky Park Weather Forecast

    • 33
    • 61

    Mostly Sunny

    • 33
    • 63

    Mostly Sunny

    • 43
    • 71

    Mostly Cloudy

    • 40
    • 71

    Rain Likely

    • 36
    • 56

    Rain Likely

    • 33
    • 50

    Chance Rain/Snow

    • 34
    • 55

    Mostly Cloudy

Today 8 Apr Missoula/Bitterroot Valleys

Mostly sunny. Highs near 60.

Tonight 8 Apr Missoula/Bitterroot Valleys

Mostly clear. Lows in the lower to mid 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sky Park Temperature Statistics

April Temperature

Missoula, Missoula International Airport (4.3 miles)

  • Lowest 4 April, 2026

    27 °F

  • Average April

    45.3 °F

  • Highest 6 April, 2026

    70 °F

Climate (2021–Present)

Missoula, Missoula International Airport (4.3 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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