Miles City, MT Weather & Growing Conditions
Overnight
58°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms before 3am, then patchy fog and a chance of showers and thunderstorms. Cloudy. Low around 58, with temperatures rising to around 60 overnight. Northeast wind around 9 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Scattered Showers And Thunderstorms | 9 mph NE | 71% |
| Saturday | 65°F | Patchy Fog | 9 to 13 mph NE | 96% |
| Saturday Night | 53°F | Showers And Thunderstorms | 13 mph ENE | 92% |
| Sunday | 63°F | Rain Showers | 12 mph E | 88% |
| Sunday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 6 to 12 mph E | 25% |
| Monday | 71°F | Partly Sunny | 6 to 10 mph SE | 5% |
| Monday Night | 50°F | Mostly Clear | 9 to 15 mph SE | 1% |
| Tuesday | 79°F | Sunny | 5 to 8 mph SSE | 0% |
| Tuesday Night | 54°F | Mostly Clear | 3 to 8 mph SE | 5% |
| Wednesday | 81°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph SE | 15% |
| Wednesday Night | 54°F | Mostly Clear | 3 mph SE | 8% |
| Thursday | 83°F | Mostly Sunny | 5 mph SSE | 1% |
| Thursday Night | 55°F | Mostly Clear | 5 to 8 mph SE | 1% |
| Friday | 83°F | Sunny | 7 to 12 mph SE | 1% |
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 Sep 19, 2026.