Big Sky Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Sky Colony, a community in Glacier County, Montana.
This Afternoon
66°F
Sunny
Sunny, with a high near 66. South southeast wind around 13 mph, with gusts as high as 23 mph.
7-day forecast for Big Sky Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Sunny | 13 mph SSE | 1% |
| Tonight | 43°F | Mostly Clear | 7 to 14 mph S | 1% |
| Sunday | 73°F | Sunny | 8 mph S | 0% |
| Sunday Night | 43°F | Mostly Clear | 5 to 8 mph S | 0% |
| Monday | 75°F | Sunny | 5 to 8 mph SSW | 0% |
| Monday Night | 46°F | Mostly Clear | 8 mph WSW | 0% |
| Tuesday | 74°F | Sunny | 8 mph WSW | 0% |
| Tuesday Night | 48°F | Partly Cloudy | 7 mph WSW | 0% |
| Wednesday | 71°F | Mostly Sunny | 6 to 14 mph WSW | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 8 to 12 mph SW | 2% |
| Thursday | 68°F | Mostly Sunny | 8 to 12 mph SW | 1% |
| Thursday Night | 46°F | Partly Cloudy | 5 to 9 mph SSW | 12% |
| Friday | 64°F | Partly Sunny | 5 to 9 mph SW | 13% |
| Friday Night | 42°F | Slight Chance Light Rain | 12 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov) for Big Sky Colony (48.839, -112.768). Updated through the day.
Growing snapshot for Big Sky Colony
Last spring frost
May 24
First fall frost
Sep 15
Growing season
113 days
Hardiness zone
4a
More local growing data for Big Sky Colony: nearby ZIP 59427 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Babb
Blackfoot
Browning
East Glacier Park Village
Glendale Colony
Hidden Lake Colony
North Browning
Seville Colony
South Browning
St. Mary
Starr School
Zenith Colony
Climate data from the nearest NOAA station, Cut Bank Muni Ap, Mt (16.3 mi from Big Sky Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.