Miles City, MT Weather & Growing Conditions
Today
65°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 65, with temperatures falling to around 63 in the afternoon. East northeast wind around 15 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Showers And Thunderstorms | 15 mph ENE | 91% |
| Tonight | 52°F | Showers And Thunderstorms | 16 mph ENE | 94% |
| Sunday | 62°F | Rain Showers | 15 mph E | 83% |
| Sunday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 7 to 13 mph E | 27% |
| Monday | 70°F | Partly Sunny | 7 to 13 mph SE | 5% |
| Monday Night | 50°F | Mostly Clear | 8 to 14 mph SE | 1% |
| Tuesday | 78°F | Sunny | 7 to 10 mph SSE | 0% |
| Tuesday Night | 53°F | Mostly Clear | 3 to 7 mph SE | 1% |
| Wednesday | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph SE | 15% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph SE | 8% |
| Thursday | 83°F | Sunny | 2 to 6 mph SE | 1% |
| Thursday Night | 55°F | Mostly Clear | 8 mph SE | 3% |
| Friday | 82°F | Sunny | 6 to 13 mph SE | 1% |
| Friday Night | 53°F | Partly Cloudy | 10 mph SSE | 4% |
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 Sep 19, 2026.