Frenchtown, MT Weather & Growing Conditions
Today
60°F
Slight Chance Light Rain
A slight chance of rain between 10am and 4pm. Partly sunny, with a high near 60. East southeast wind 1 to 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Slight Chance Light Rain | 1 to 5 mph ESE | 18% |
| Tonight | 46°F | Partly Cloudy | 5 mph S | 4% |
| Sunday | 65°F | Sunny | 5 mph SW | 0% |
| Sunday Night | 46°F | Mostly Clear | 3 mph SE | 0% |
| Monday | 67°F | Sunny | 5 mph S | 0% |
| Monday Night | 48°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 67°F | Sunny | 5 mph S | 0% |
| Tuesday Night | 49°F | Mostly Clear | 2 mph S | 2% |
| Wednesday | 67°F | Sunny | 5 mph SSW | 1% |
| Wednesday Night | 48°F | Mostly Clear | 3 mph SSW | 3% |
| Thursday | 66°F | Sunny | 5 mph SSE | 2% |
| Thursday Night | 49°F | Partly Cloudy | 2 mph SE | 8% |
| Friday | 63°F | Mostly Sunny | 6 mph SSE | 8% |
| Friday Night | 45°F | Slight Chance Light Rain | 3 mph WNW | 24% |
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 Sep 19, 2026.