Ronan, MT Weather & Growing Conditions
Today
79°F
Patchy Smoke then Sunny
Patchy smoke between 10am and noon. Sunny, with a high near 79. North northwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Patchy Smoke then Sunny | 0 to 5 mph NNW | 0% |
| Tonight | 46°F | Mostly Clear | 5 mph E | 0% |
| Wednesday | 85°F | Sunny | 3 mph SSW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 3 mph SE | 0% |
| Thursday | 92°F | Sunny | 3 mph SSW | 0% |
| Thursday Night | 52°F | Clear | 2 to 6 mph S | 0% |
| Friday | 94°F | Sunny | 0 to 8 mph SSW | 0% |
| Friday Night | 52°F | Clear | 6 to 15 mph SSW | 0% |
| Saturday | 91°F | Sunny | 3 to 10 mph SSW | 0% |
| Saturday Night | 51°F | Mostly Clear | 3 to 12 mph SSW | 0% |
| Sunday | 88°F | Sunny | 1 to 5 mph WSW | 0% |
| Sunday Night | 50°F | Mostly Clear | 2 to 7 mph NE | 0% |
| Monday | 86°F | Sunny | 3 mph NNE | 0% |
| Monday Night | 50°F | Mostly Clear | 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ronan, MT
Last spring frost
May 10
First fall frost
Oct 5
Growing season
147 days
Hardiness zone
6a
Explore more for Ronan, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Polson, Mt (10.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.