High 61° · Low 41°
Up to 5% chance of rainSunny, with a high near 61. West southwest wind 6 to 10 mph, with gusts as high as 26 mph.
Ski resort
Big Sky, MT
58° now
Today: Sunny, high 61°, 5% chance of rain
Current observed weather and the available forecast for Big Sky Resort. Conditions can change quickly; check local alerts before travel.
Big Sky Resort is usually closed in October. Check the official calendar before you go.
Winter 2026-27 operating dates are November 25, 2026 to April 11, 2027, plus bonus weekends through April 25.
From Big Sky Winter 2026-27 operating dates, checked . Dates change each year.
Scheduled to open (official announcement). Opening dates depend on snow and can change.
This forecast is for the main base area at about 7,500 feet. The summit is 3,666 feet higher and is usually colder and windier.
For snow depth, lifts and trails, see the official Big Sky Resort snow report.
Current conditions
Broken clouds
Observed at 10:55 AM local time
At a glance
High 61° · Low 41°
Up to 5% chance of rainSunny, with a high near 61. West southwest wind 6 to 10 mph, with gusts as high as 26 mph.
High 60° · Low 41°
0% chance of rainMostly sunny, with a high near 60. West northwest wind around 3 mph.
Hour by hour
Day by day
Forecast from the National Weather Service, updated 10:46 AM local time. Hourly values are for the forecast grid cell containing this location. Current conditions from OpenWeather.
Averages, not a forecast
In an average October, highs are near 53° and lows near 25°, with measurable precipitation on about 10 days.
July is usually the warmest month (average high 78°), and January the coldest (average low 9°). June has the most days with precipitation, and September the fewest.
| Month | Avg high | Avg low | Precip. days | Precip. |
|---|---|---|---|---|
| January | 30° | 9° | 13 | 1.8 in |
| February | 34° | 9° | 12 | 1.5 in |
| March | 42° | 17° | 12 | 1.9 in |
| April | 48° | 23° | 12 | 2.4 in |
| May | 58° | 30° | 13 | 2.8 in |
| June | 67° | 36° | 14 | 3.2 in |
| July | 78° | 41° | 10 | 1.3 in |
| August | 77° | 39° | 11 | 1.6 in |
| September | 68° | 33° | 10 | 1.7 in |
| October | 53° | 25° | 10 | 1.8 in |
| November | 37° | 16° | 11 | 1.6 in |
| December | 28° | 9° | 14 | 1.7 in |
NOAA 1991–2020 U.S. Climate Normals from the BIG SKY 2WNW, MT US station, 4 miles away and about 1000 feet lower than Big Sky Resort. Precipitation days count days with at least 0.01 inch.
Confirm before you go
Check current hours, access, fees, closures, and local guidance with the destination itself.