Jette, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jette, a community in Lake County, Montana.
This Afternoon
45°F
Partly Sunny
Partly sunny, with a high near 45. Northeast wind around 1 mph.
7-day forecast for Jette
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Partly Sunny | 1 mph NE | 0% |
| Tonight | 29°F | Mostly Cloudy | 0 mph | 0% |
| Wednesday | 46°F | Mostly Sunny | 2 mph SSW | 0% |
| Wednesday Night | 29°F | Partly Cloudy | 2 mph S | 1% |
| Thursday | 45°F | Partly Sunny | 2 to 8 mph SSW | 12% |
| Thursday Night | 31°F | Mostly Cloudy | 7 mph S | 9% |
| Friday | 50°F | Partly Sunny | 5 to 9 mph SSW | 13% |
| Friday Night | 36°F | Mostly Cloudy | 3 to 10 mph SSW | 13% |
| Saturday | 55°F | Partly Sunny | 3 mph S | 3% |
| Saturday Night | 37°F | Mostly Cloudy then Slight Chance Light Rain | 3 mph SSE | 19% |
| Sunday | 57°F | Slight Chance Light Rain | 3 to 15 mph SSW | 19% |
| Sunday Night | 36°F | Mostly Cloudy | 1 to 10 mph SSW | 14% |
| Monday | 52°F | Partly Sunny then Slight Chance Light Rain | 2 mph SW | 18% |
| Monday Night | 36°F | Slight Chance Light Rain | 2 mph SSW | 18% |
Forecast source: National Weather Service (api.weather.gov) for Jette (47.717, -114.191). Updated through the day.
Growing snapshot for Jette
Last spring frost
May 10
First fall frost
Oct 5
Growing season
147 days
Hardiness zone
6a
More local growing data for Jette: nearby ZIP 59860 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Bear Dance
Big Arm
Charlo
Dayton
Elmo
Finley Point
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, Polson, Mt (2.8 mi from Jette). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.