Miles City, MT Weather & Growing Conditions
Today
77°F
Sunny
Sunny, with a high near 77. West wind 3 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Sunny | 3 to 10 mph W | 0% |
| Tonight | 50°F | Mostly Clear | 3 to 9 mph ESE | 1% |
| Wednesday | 86°F | Mostly Sunny | 6 mph SW | 0% |
| Wednesday Night | 55°F | Partly Cloudy | 2 to 6 mph SSE | 0% |
| Thursday | 93°F | Sunny | 1 to 5 mph WSW | 0% |
| Thursday Night | 59°F | Mostly Clear | 6 mph NNE | 0% |
| Friday | 98°F | Sunny | 3 to 7 mph E | 0% |
| Friday Night | 62°F | Mostly Clear | 5 to 10 mph NE | 0% |
| Saturday | 96°F | Sunny | 5 to 12 mph N | 0% |
| Saturday Night | 63°F | Mostly Clear | 6 to 10 mph NE | 1% |
| Sunday | 95°F | Mostly Sunny | 7 to 10 mph NE | 1% |
| Sunday Night | 64°F | Partly Cloudy | 12 mph NE | 12% |
| Monday | 92°F | Mostly Sunny | 8 to 13 mph NE | 8% |
| Monday Night | 63°F | Partly Cloudy then Chance Rain Showers | 13 mph ENE | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Miles City, MT
Last spring frost
May 8
First fall frost
Sep 30
Growing season
144 days
Hardiness zone
4b
Explore more for Miles City, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Miles City F Wiley Fld, Mt (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.