Big Sky Airport Weather Forecast

    • 27
    • 57

    Decreasing Clouds

    • 26
    • 56

    Mostly Sunny

    • 34
    • 60

    Mostly Sunny

    • 30
    • 59

    Mostly Sunny

    • 33
    • 62

    Mostly Sunny

    • 31
    • 63

    Mostly Sunny

    • 31
    • 61

    Mostly Sunny

Today 15 Dec Estancia Valley

Partly cloudy. Highs in the upper 50s. West Winds around 15 Mph this afternoon.

Tonight 15 Dec Estancia Valley

Cold. Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 20s.

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Big Sky Airport Temperature Statistics

December Temperature

Moriarty Municipal Airport (12.4 miles)

  • Lowest 5 December, 2025

    17.2 °F

  • Average December

    38.7 °F

  • Highest 11 December, 2025

    65.7 °F

Climate (2020–Present)

Moriarty Municipal Airport (12.4 miles)

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  • Average Low 2020–2025

    34.7 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    69.2 °F
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