Frenchtown, MT Weather & Growing Conditions
Today
69°F
Patchy Smoke
Patchy smoke before 1pm. Sunny, with a high near 69. Northwest wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Patchy Smoke | 2 to 6 mph NW | 0% |
| Tonight | 50°F | Mostly Clear | 3 to 7 mph NNW | 0% |
| Wednesday | 75°F | Sunny | 5 mph WSW | 0% |
| Wednesday Night | 54°F | Clear | 5 mph WSW | 0% |
| Thursday | 80°F | Sunny | 6 mph SW | 0% |
| Thursday Night | 59°F | Clear | 3 to 7 mph WSW | 0% |
| Friday | 82°F | Sunny | 3 to 9 mph SW | 0% |
| Friday Night | 58°F | Clear | 5 to 12 mph WSW | 0% |
| Saturday | 80°F | Sunny | 5 to 9 mph WSW | 0% |
| Saturday Night | 58°F | Mostly Clear | 3 to 9 mph WSW | 0% |
| Sunday | 76°F | Sunny | 2 to 6 mph WSW | 0% |
| Sunday Night | 56°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Monday | 75°F | Sunny | 2 to 6 mph W | 0% |
| Monday Night | 56°F | Mostly Clear | 2 to 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Frenchtown, MT
Last spring frost
May 6
First fall frost
Oct 4
Growing season
151 days
Hardiness zone
6a
Explore more for Frenchtown, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Missoula 6 Nw Wfo, Mt (12.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.