Dupuyer, MT Weather & Growing Conditions
Today
65°F
Partly Sunny
Partly sunny, with a high near 65. East northeast wind 2 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Partly Sunny | 2 to 9 mph ENE | 2% |
| Tonight | 45°F | Mostly Clear | 5 to 9 mph S | 0% |
| Sunday | 71°F | Sunny | 7 mph S | 0% |
| Sunday Night | 46°F | Mostly Clear | 5 to 8 mph SSW | 0% |
| Monday | 74°F | Sunny | 7 mph SW | 0% |
| Monday Night | 49°F | Mostly Clear | 8 mph WSW | 0% |
| Tuesday | 72°F | Sunny | 7 mph W | 0% |
| Tuesday Night | 49°F | Mostly Clear | 7 mph WSW | 0% |
| Wednesday | 73°F | Mostly Sunny | 7 mph SW | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 7 mph WSW | 2% |
| Thursday | 73°F | Mostly Sunny | 7 mph SSW | 3% |
| Thursday Night | 49°F | Partly Cloudy | 3 to 7 mph SW | 8% |
| Friday | 67°F | Mostly Sunny | 5 to 9 mph SW | 12% |
| Friday Night | 45°F | Chance Light Rain | 6 to 9 mph W | 31% |
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 Sep 19, 2026.