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
74°F
Sunny
Sunny. High near 74, with temperatures falling to around 72 in the afternoon. South southeast wind 3 to 8 mph.
7-day forecast for Duncan Ranch Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 3 to 8 mph SSE | 0% |
| Tonight | 44°F | Mostly Clear | 3 to 10 mph NNE | 3% |
| Wednesday | 83°F | Sunny | 9 to 16 mph W | 0% |
| Wednesday Night | 49°F | Mostly Clear | 7 to 13 mph NW | 0% |
| Thursday | 91°F | Sunny | 9 to 20 mph W | 0% |
| Thursday Night | 53°F | Mostly Clear | 7 to 18 mph WNW | 0% |
| Friday | 94°F | Sunny | 7 to 22 mph W | 0% |
| Friday Night | 56°F | Mostly Clear | 13 to 24 mph WNW | 0% |
| Saturday | 93°F | Sunny | 15 to 22 mph W | 0% |
| Saturday Night | 54°F | Mostly Clear | 8 to 17 mph NW | 3% |
| Sunday | 90°F | Sunny | 10 to 16 mph NW | 1% |
| Sunday Night | 54°F | Partly Cloudy | 7 to 17 mph NNE | 5% |
| Monday | 87°F | Sunny | 7 to 15 mph ESE | 7% |
| Monday Night | 54°F | Partly Cloudy | 7 to 17 mph NE | 12% |
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 Aug 4, 2026.