Miles City, MT Weather & Growing Conditions
Today
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 74 in the afternoon. West wind 6 to 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 6 to 12 mph W | 0% |
| Tonight | 49°F | Partly Cloudy | 2 to 9 mph NE | 1% |
| Wednesday | 85°F | Mostly Sunny | 7 mph SW | 0% |
| Wednesday Night | 55°F | Partly Cloudy | 3 to 7 mph WSW | 0% |
| Thursday | 94°F | Sunny | 2 to 6 mph W | 0% |
| Thursday Night | 59°F | Mostly Clear | 7 mph N | 0% |
| Friday | 96°F | Sunny | 5 to 9 mph ENE | 0% |
| Friday Night | 61°F | Mostly Clear | 6 to 10 mph NNE | 0% |
| Saturday | 95°F | Sunny | 6 to 13 mph N | 0% |
| Saturday Night | 62°F | Mostly Clear | 8 to 12 mph NNE | 2% |
| Sunday | 94°F | Mostly Sunny | 8 to 12 mph ENE | 2% |
| Sunday Night | 63°F | Partly Cloudy then Slight Chance Rain Showers | 13 mph NE | 16% |
| Monday | 91°F | Mostly Sunny | 14 mph ENE | 11% |
| Monday Night | 62°F | Partly Cloudy then Chance Rain Showers | 12 to 15 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
4a
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 (18.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.