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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.

Overnight
28°F
Mostly Cloudy
Mostly cloudy, with a low around 28. West northwest wind around 6 mph.

7-day forecast for Big Sky Colony

WhenTempForecastWindPrecip
Overnight 28°F Mostly Cloudy 6 mph WNW 0%
Wednesday 49°F Mostly Sunny 2 to 6 mph W 0%
Wednesday Night 28°F Mostly Clear 5 to 9 mph SSW 0%
Thursday 48°F Partly Sunny 9 to 20 mph WSW 1%
Thursday Night 32°F Partly Cloudy 10 to 17 mph WSW 1%
Friday 49°F Mostly Sunny 9 to 21 mph WSW 0%
Friday Night 36°F Mostly Cloudy 15 to 28 mph WSW 1%
Saturday 55°F Partly Sunny 7 to 15 mph SW 0%
Saturday Night 38°F Mostly Cloudy 7 to 12 mph SSW 0%
Sunday 56°F Partly Sunny 12 to 26 mph SW 2%
Sunday Night 34°F Mostly Cloudy 8 to 25 mph WSW 3%
Monday 49°F Partly Sunny 9 mph SW 0%
Monday Night 34°F Mostly Cloudy 7 to 10 mph SW 0%
Tuesday 52°F Partly Sunny 10 to 16 mph WSW 2%

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

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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 Nov 4, 2026.