Carlton, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carlton, a community in Ravalli County, Montana.
This Afternoon
49°F
Mostly Cloudy
Mostly cloudy. High near 49, with temperatures falling to around 41 in the afternoon. Wind around 0 mph.
7-day forecast for Carlton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Mostly Cloudy | 0 mph | 0% |
| Tonight | 23°F | Mostly Cloudy | 1 mph NE | 0% |
| Wednesday | 50°F | Mostly Sunny | 1 mph S | 0% |
| Wednesday Night | 23°F | Mostly Clear | 2 mph SSW | 0% |
| Thursday | 46°F | Partly Sunny | 2 mph WSW | 9% |
| Thursday Night | 23°F | Partly Cloudy | 3 mph SW | 1% |
| Friday | 52°F | Partly Sunny | 6 mph SW | 3% |
| Friday Night | 30°F | Mostly Cloudy | 3 to 8 mph SW | 3% |
| Saturday | 59°F | Partly Sunny | 1 to 5 mph S | 2% |
| Saturday Night | 32°F | Mostly Cloudy | 1 to 13 mph S | 11% |
| Sunday | 60°F | Partly Sunny | 3 to 10 mph SSW | 11% |
| Sunday Night | 30°F | Mostly Cloudy | 5 mph SW | 7% |
| Monday | 55°F | Partly Sunny | 3 mph SSE | 10% |
| Monday Night | 31°F | Mostly Cloudy | 1 to 5 mph SW | 10% |
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 Nov 4, 2026.