Helmville, MT Weather & Growing Conditions
Today
77°F
Patchy Smoke
Patchy smoke between 10am and 4pm. Sunny, with a high near 77. North northeast wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Patchy Smoke | 1 to 6 mph NNE | 0% |
| Tonight | 44°F | Mostly Clear | 0 to 6 mph NW | 0% |
| Wednesday | 83°F | Sunny | 0 to 6 mph W | 0% |
| Wednesday Night | 47°F | Mostly Clear | 1 to 6 mph SW | 0% |
| Thursday | 89°F | Sunny | 0 to 7 mph SW | 0% |
| Thursday Night | 51°F | Mostly Clear | 1 to 7 mph SW | 0% |
| Friday | 92°F | Sunny | 0 to 10 mph NW | 0% |
| Friday Night | 51°F | Mostly Clear | 2 to 13 mph WSW | 0% |
| Saturday | 89°F | Sunny | 1 to 9 mph SW | 0% |
| Saturday Night | 51°F | Mostly Clear | 1 to 9 mph W | 0% |
| Sunday | 87°F | Sunny | 0 to 6 mph WNW | 0% |
| Sunday Night | 49°F | Mostly Clear | 1 to 8 mph N | 0% |
| Monday | 86°F | Sunny | 0 to 6 mph NNW | 0% |
| Monday Night | 49°F | Mostly Clear | 1 to 7 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Helmville, MT
Growing season
67 days
Hardiness zone
5a
Explore more for Helmville, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Ovando 9 Sse, Mt (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.