Big Sky Weather Forecast

    • 38
    • 58

    Rain Showers Likely

    • 49
    • 73

    Mostly Sunny

    • 51
    • 78

    Slight Chance Thunderstorms

    • 48
    • 74

    Chance Thunderstorms

    • 48
    • 71

    Chance Thunderstorms

    • 50
    • 74

    Mostly Sunny

Today 20 Jun Gallatin

Cooler. Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms in the Morning, then chance of Thunderstorms in the afternoon. Highs 60 to 70. Northwest Winds up to 10 Mph shifting to the north in the afternoon. Chance of precipitation 50 percent.

Tonight 20 Jun Gallatin

Colder. Partly cloudy. Lows 40 to 45. East Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sky Temperature Statistics

June Temperature

Ennis - Big Sky Airport (13.7 miles)

  • Lowest 11 June, 2021

    32 °F

  • Average June

    65.4 °F

  • Highest 14 June, 2021

    93.2 °F

Climate (2015–Present)

Ennis - Big Sky Airport (13.7 miles)

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  • Average Low 2015–Present

    30.1 °F

  • Average 2015–Present

    42.3 °F

  • Average High 2015–Present

    53.8 °F
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