Miles City, MT Weather & Growing Conditions
Tonight
28°F
Patchy Fog
Patchy fog after 11pm. Mostly clear, with a low around 28. South southeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 28°F | Patchy Fog | 0 to 5 mph SSE | 0% |
| Wednesday | 50°F | Patchy Fog then Mostly Sunny | 0 to 6 mph WNW | 0% |
| Wednesday Night | 30°F | Patchy Fog | 1 to 5 mph W | 0% |
| Thursday | 54°F | Patchy Fog then Mostly Sunny | 2 mph SSE | 0% |
| Thursday Night | 33°F | Partly Cloudy then Patchy Fog | 3 mph WNW | 0% |
| Friday | 55°F | Patchy Fog then Sunny | 3 to 8 mph WSW | 1% |
| Friday Night | 35°F | Partly Cloudy | 5 to 8 mph WSW | 6% |
| Saturday | 58°F | Sunny | 5 to 13 mph W | 2% |
| Saturday Night | 33°F | Mostly Clear | 5 mph SSW | 0% |
| Sunday | 63°F | Mostly Sunny | 3 to 7 mph SSW | 0% |
| Sunday Night | 39°F | Partly Cloudy | 6 mph W | 0% |
| Monday | 57°F | Mostly Sunny | 6 mph WNW | 0% |
| Monday Night | 35°F | Partly Cloudy | 5 mph SE | 1% |
| Tuesday | 61°F | Mostly Sunny | 6 mph SW | 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 Nov 4, 2026.