Duncan Ranch Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Duncan Ranch Colony, a community in Wheatland County, Montana.
Today
54°F
Sunny
Sunny. High near 54, with temperatures falling to around 46 in the afternoon. South southwest wind 1 to 6 mph.
7-day forecast for Duncan Ranch Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Sunny | 1 to 6 mph SSW | 0% |
| Tonight | 28°F | Mostly Clear | 3 to 13 mph NE | 0% |
| Thursday | 55°F | Mostly Sunny | 12 to 18 mph W | 13% |
| Thursday Night | 30°F | Partly Cloudy | 12 to 17 mph W | 13% |
| Friday | 53°F | Sunny | 15 to 24 mph W | 0% |
| Friday Night | 36°F | Partly Cloudy | 15 to 28 mph W | 0% |
| Saturday | 59°F | Sunny | 7 to 25 mph W | 0% |
| Saturday Night | 34°F | Partly Cloudy | 7 to 15 mph WSW | 0% |
| Sunday | 63°F | Mostly Sunny | 8 to 16 mph W | 0% |
| Sunday Night | 34°F | Partly Cloudy | 8 to 14 mph W | 3% |
| Monday | 57°F | Mostly Sunny | 5 to 13 mph W | 2% |
| Monday Night | 33°F | Partly Cloudy | 3 to 14 mph WSW | 2% |
| Tuesday | 60°F | Mostly Sunny | 9 to 16 mph W | 1% |
| Tuesday Night | 35°F | Partly Cloudy | 9 to 14 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Duncan Ranch Colony (46.442, -110.026). Updated through the day.
Growing snapshot for Duncan Ranch Colony
Last spring frost
Jun 3
First fall frost
Sep 8
Growing season
94 days
Hardiness zone
4b
More local growing data for Duncan Ranch Colony: nearby ZIP 59085 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Martinsdale 3 Nnw, Mt (14.2 mi from Duncan Ranch Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.