Charlo, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Charlo, a community in Lake County, Montana.
Tonight
46°F
Mostly Cloudy then Patchy Fog
Patchy fog after 2am. Mostly cloudy, with a low around 46. East southeast wind around 3 mph.
7-day forecast for Charlo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Cloudy then Patchy Fog | 3 mph ESE | 13% |
| Saturday | 72°F | Areas Of Fog then Mostly Sunny | 2 mph NNW | 11% |
| Saturday Night | 45°F | Partly Cloudy | 2 to 6 mph ESE | 1% |
| Sunday | 75°F | Sunny | 2 mph SSW | 0% |
| Sunday Night | 46°F | Clear | 5 mph E | 0% |
| Monday | 77°F | Sunny | 2 mph SSW | 0% |
| Monday Night | 47°F | Mostly Clear | 5 mph S | 1% |
| Tuesday | 76°F | Sunny | 1 mph SW | 0% |
| Tuesday Night | 46°F | Partly Cloudy | 3 mph SE | 1% |
| Wednesday | 74°F | Sunny | 2 mph S | 1% |
| Wednesday Night | 45°F | Partly Cloudy | 3 mph E | 3% |
| Thursday | 76°F | Sunny | 2 mph SW | 2% |
| Thursday Night | 46°F | Partly Cloudy | 3 mph E | 1% |
| Friday | 75°F | Mostly Sunny | 3 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Charlo (47.443, -114.172). Updated through the day.
Growing snapshot for Charlo
Last spring frost
May 12
First fall frost
Oct 2
Growing season
142 days
Hardiness zone
6a
More local growing data for Charlo: nearby ZIP 59824 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Bear Dance
Big Arm
Dayton
Elmo
Finley Point
Jette
Kerr
Kicking Horse
Kings Point
Lake Mary Ronan
Lindisfarne
Niarada
Pablo
Polson
Ravalli
Rocky Point
Rollins
Ronan
St. Ignatius
Swan Lake
Turtle Lake
Climate data from the nearest NOAA station, Saint Ignatius, Mt (8.5 mi from Charlo). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.