Glacier Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glacier Colony, a community in Toole County, Montana.
Overnight
28°F
Mostly Cloudy
Mostly cloudy, with a low around 28. Northwest wind around 8 mph.
7-day forecast for Glacier Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 28°F | Mostly Cloudy | 8 mph NW | 0% |
| Wednesday | 46°F | Mostly Sunny | 2 to 8 mph SW | 0% |
| Wednesday Night | 28°F | Mostly Clear | 6 to 13 mph S | 0% |
| Thursday | 48°F | Mostly Sunny | 13 to 21 mph WSW | 1% |
| Thursday Night | 31°F | Partly Cloudy | 14 to 17 mph WSW | 1% |
| Friday | 48°F | Mostly Sunny | 13 to 23 mph WSW | 0% |
| Friday Night | 37°F | Mostly Cloudy | 15 to 26 mph WSW | 1% |
| Saturday | 54°F | Mostly Sunny | 9 to 15 mph SW | 1% |
| Saturday Night | 37°F | Mostly Cloudy | 12 mph SSW | 0% |
| Sunday | 56°F | Partly Sunny | 12 to 26 mph SW | 0% |
| Sunday Night | 34°F | Partly Cloudy | 10 to 23 mph WSW | 0% |
| Monday | 48°F | Mostly Sunny | 10 mph SW | 0% |
| Monday Night | 35°F | Mostly Cloudy | 8 to 15 mph SW | 0% |
| Tuesday | 52°F | Mostly Sunny | 15 to 18 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Glacier Colony (48.830, -112.215). Updated through the day.
Growing snapshot for Glacier Colony
Last spring frost
May 17
First fall frost
Sep 25
Growing season
129 days
Hardiness zone
4a
More local growing data for Glacier Colony: nearby ZIP 59454 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
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Rimrock Colony
Santa Rita
Shelby
Sunburst
Sweet Grass
Climate data from the nearest NOAA station, Sunburst 8 E, Mt (14.3 mi from Glacier Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.