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.
Today
73°F
Mostly Sunny
Mostly sunny, with a high near 73. West southwest wind around 5 mph.
7-day forecast for Big Sky Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 5 mph WSW | 1% |
| Tonight | 47°F | Mostly Clear | 3 to 9 mph W | 1% |
| Wednesday | 79°F | Sunny | 6 to 10 mph WNW | 0% |
| Wednesday Night | 50°F | Mostly Clear | 8 mph WSW | 0% |
| Thursday | 86°F | Sunny | 9 to 13 mph NW | 0% |
| Thursday Night | 51°F | Mostly Clear | 5 to 12 mph SW | 0% |
| Friday | 90°F | Sunny | 3 to 23 mph W | 0% |
| Friday Night | 53°F | Clear | 15 to 21 mph W | 0% |
| Saturday | 85°F | Sunny | 6 to 14 mph W | 0% |
| Saturday Night | 52°F | Partly Cloudy | 9 to 16 mph NW | 0% |
| Sunday | 80°F | Mostly Sunny | 10 mph NNW | 3% |
| Sunday Night | 50°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 8 to 13 mph N | 15% |
| Monday | 77°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 9 mph NE | 18% |
| Monday Night | 49°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 12 mph NE | 19% |
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 Aug 4, 2026.