Rimrock Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rimrock Colony, a community in Toole County, Montana.
Overnight
29°F
Mostly Cloudy
Mostly cloudy, with a low around 29. West northwest wind around 8 mph.
7-day forecast for Rimrock Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 29°F | Mostly Cloudy | 8 mph WNW | 0% |
| Wednesday | 46°F | Mostly Sunny | 2 to 7 mph W | 0% |
| Wednesday Night | 29°F | Mostly Clear | 5 to 14 mph SSW | 0% |
| Thursday | 49°F | Mostly Sunny | 14 to 21 mph SW | 2% |
| Thursday Night | 32°F | Partly Cloudy | 17 mph WSW | 2% |
| Friday | 49°F | Mostly Sunny | 14 to 24 mph SW | 0% |
| Friday Night | 38°F | Mostly Cloudy | 16 to 25 mph WSW | 1% |
| Saturday | 54°F | Mostly Sunny | 9 to 16 mph SW | 0% |
| Saturday Night | 39°F | Mostly Cloudy | 9 to 15 mph SSW | 0% |
| Sunday | 56°F | Partly Sunny | 14 to 26 mph SW | 0% |
| Sunday Night | 36°F | Partly Cloudy | 12 to 23 mph WSW | 0% |
| Monday | 48°F | Mostly Sunny | 12 mph SW | 0% |
| Monday Night | 36°F | Mostly Cloudy | 9 to 15 mph SSW | 0% |
| Tuesday | 53°F | Mostly Sunny | 15 to 18 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Rimrock Colony (48.895, -112.095). Updated through the day.
Growing snapshot for Rimrock Colony
Last spring frost
May 17
First fall frost
Sep 25
Growing season
129 days
Hardiness zone
4a
More local growing data for Rimrock Colony: nearby ZIP 59454 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Camrose Colony
Cut Bank
Eagle Creek Colony
Glacier Colony
Hillside Colony
Horizon Colony
Kevin
Santa Rita
Shelby
Sunburst
Sweet Grass
Climate data from the nearest NOAA station, Sunburst 8 E, Mt (14.3 mi from Rimrock Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.