Dupuyer, MT Weather & Growing Conditions
Today
73°F
Mostly Sunny
Mostly sunny, with a high near 73. East southeast wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 2 to 7 mph ESE | 1% |
| Tonight | 50°F | Mostly Clear | 5 to 9 mph WSW | 2% |
| Wednesday | 80°F | Mostly Sunny | 10 mph WNW | 0% |
| Wednesday Night | 53°F | Mostly Clear | 6 to 9 mph W | 0% |
| Thursday | 86°F | Sunny | 12 mph WNW | 0% |
| Thursday Night | 55°F | Mostly Clear | 5 to 13 mph WSW | 0% |
| Friday | 89°F | Sunny | 3 to 20 mph WNW | 0% |
| Friday Night | 57°F | Clear | 10 to 17 mph W | 0% |
| Saturday | 86°F | Sunny | 7 to 15 mph W | 0% |
| Saturday Night | 56°F | Mostly Clear | 8 to 15 mph W | 0% |
| Sunday | 81°F | Mostly Sunny | 7 to 10 mph NNW | 1% |
| Sunday Night | 54°F | Partly Cloudy | 6 to 13 mph NNW | 5% |
| Monday | 79°F | Mostly Sunny | 6 to 9 mph NNE | 12% |
| Monday Night | 53°F | Mostly Clear | 5 to 9 mph NW | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dupuyer, MT
Last spring frost
Jun 9
First fall frost
Sep 3
Growing season
86 days
Hardiness zone
4b
Explore more for Dupuyer, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Blackleaf, Mt (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.