Carlton, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carlton, a community in Ravalli County, Montana.
This Afternoon
77°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. North wind around 3 mph. Chance of precipitation is 40%.
7-day forecast for Carlton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Chance Showers And Thunderstorms | 3 mph N | 37% |
| Tonight | 47°F | Chance Showers And Thunderstorms then Rain Showers Likely | 0 to 3 mph SSE | 81% |
| Saturday | 73°F | Areas Of Fog then Mostly Cloudy | 2 mph NNW | 48% |
| Saturday Night | 43°F | Partly Cloudy | 3 mph SE | 3% |
| Sunday | 79°F | Sunny | 3 mph SSE | 0% |
| Sunday Night | 45°F | Clear | 0 to 3 mph S | 0% |
| Monday | 82°F | Sunny | 3 mph SSW | 0% |
| Monday Night | 46°F | Mostly Clear | 0 to 3 mph SW | 0% |
| Tuesday | 81°F | Sunny | 3 mph S | 0% |
| Tuesday Night | 46°F | Mostly Clear | 0 to 5 mph SW | 2% |
| Wednesday | 80°F | Sunny | 5 mph SSW | 3% |
| Wednesday Night | 45°F | Mostly Clear | 0 to 3 mph WSW | 2% |
| Thursday | 83°F | Sunny | 5 mph SSE | 1% |
| Thursday Night | 46°F | Partly Cloudy | 0 to 6 mph SSE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Carlton (46.691, -114.062). Updated through the day.
Growing snapshot for Carlton
Last spring frost
May 22
First fall frost
Sep 19
Growing season
115 days
Hardiness zone
5b
More local growing data for Carlton: nearby ZIP 59833 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Stevensville, Mt (9.3 mi from Carlton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.