Big Sky Airport Weather Forecast
- 52
- 75
Rain Showers
- 51
- 65
Rain Showers
- 49
- 72
Rain Showers Likely
- 47
- 74
Chance Thunderstorms
- 49
- 77
Partly Sunny
- 50
- 79
Partly Sunny
Today 22 Sep Estancia Valley
Mostly cloudy. A slight chance of Showers in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the afternoon. Highs in the mid 70s. Southeast Winds around 15 Mph. Chance of rain 70 percent.
Tonight 22 Sep Estancia Valley
Showers likely with a chance of Thunderstorms in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Some Thunderstorms may produce heavy rainfall after midnight. Lows in the lower 50s. Chance of rain near 100 percent.
Big Sky Airport Temperature Statistics
September Temperature
Moriarty Municipal Airport (12.4 miles)
Lowest 11 September, 2026
42.8 °FAverage September
70.8 °FHighest 11 September, 2026
93.2 °F
Climate (2021–2026)
Moriarty Municipal Airport (12.4 miles)
Average Low 2021–2026
34.9 °FAverage 2021–2026
53.5 °FAverage High 2021–2026
69.9 °F