Miller Colony, MT Weather & Growing Conditions
Overnight
41°F
Mostly Clear
Mostly clear. Low around 41, with temperatures rising to around 44 overnight. West wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Mostly Clear | 3 mph W | 0% |
| Tuesday | 72°F | Mostly Sunny | 2 to 7 mph SSE | 1% |
| Tuesday Night | 48°F | Mostly Clear | 2 to 7 mph NW | 2% |
| Wednesday | 81°F | Sunny | 7 mph WNW | 0% |
| Wednesday Night | 51°F | Mostly Clear | 6 mph WNW | 0% |
| Thursday | 88°F | Sunny | 8 mph WNW | 0% |
| Thursday Night | 54°F | Mostly Clear | 3 to 9 mph W | 0% |
| Friday | 90°F | Sunny | 2 to 17 mph W | 0% |
| Friday Night | 55°F | Mostly Clear | 7 to 15 mph W | 0% |
| Saturday | 87°F | Sunny | 3 to 12 mph WSW | 0% |
| Saturday Night | 55°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Sunday | 82°F | Sunny | 3 to 8 mph N | 1% |
| Sunday Night | 53°F | Partly Cloudy | 3 to 9 mph NNW | 3% |
| Monday | 80°F | Sunny | 3 to 7 mph NNE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Miller Colony, MT
Last spring frost
May 16
First fall frost
Sep 27
Growing season
133 days
Hardiness zone
4b
Explore more for Miller Colony, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Bynum 4 Sse, Mt (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.