Miller Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Miller Colony, a community in Teton County, Montana.
Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. North northwest wind around 5 mph.
7-day forecast for Miller Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Cloudy | 5 mph NNW | 7% |
| Saturday | 66°F | Mostly Cloudy | 6 mph NE | 5% |
| Saturday Night | 45°F | Partly Cloudy | 5 mph S | 0% |
| Sunday | 72°F | Sunny | 2 to 6 mph S | 0% |
| Sunday Night | 46°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 77°F | Sunny | 5 mph SSW | 0% |
| Monday Night | 49°F | Mostly Clear | 3 mph W | 0% |
| Tuesday | 75°F | Sunny | 3 mph WSW | 0% |
| Tuesday Night | 49°F | Mostly Clear | 5 mph W | 0% |
| Wednesday | 76°F | Sunny | 2 to 7 mph SW | 1% |
| Wednesday Night | 50°F | Mostly Clear | 5 mph WSW | 3% |
| Thursday | 76°F | Mostly Sunny | 3 to 7 mph SSW | 1% |
| Thursday Night | 49°F | Partly Cloudy | 2 to 6 mph SW | 11% |
| Friday | 71°F | Mostly Sunny | 3 to 8 mph SW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Miller Colony (47.926, -112.292). Updated through the day.
Growing snapshot for Miller Colony
Last spring frost
May 16
First fall frost
Sep 27
Growing season
133 days
Hardiness zone
4b
More local growing data for Miller Colony: nearby ZIP 59419 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Augusta
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Dutton
Gilman
New Miami Colony
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Pendroy
Power
Rockport Colony
Climate data from the nearest NOAA station, Bynum 4 Sse, Mt (3 mi from Miller Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.