Jette, MT Weather & Growing Conditions
This Afternoon
45°F
Partly Sunny
Partly sunny, with a high near 45. North northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Partly Sunny | 1 mph NNE | 0% |
| Tonight | 28°F | Mostly Cloudy | 0 mph | 0% |
| Wednesday | 46°F | Mostly Sunny | 1 mph SSW | 0% |
| Wednesday Night | 28°F | Partly Cloudy | 2 mph SSE | 1% |
| Thursday | 45°F | Partly Sunny | 2 to 7 mph SSW | 14% |
| Thursday Night | 30°F | Mostly Cloudy | 3 to 7 mph S | 10% |
| Friday | 50°F | Partly Sunny | 3 to 9 mph S | 13% |
| Friday Night | 35°F | Mostly Cloudy | 3 to 9 mph S | 13% |
| Saturday | 55°F | Partly Sunny | 3 mph S | 3% |
| Saturday Night | 36°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 | 35°F | Slight Chance Light Rain | 1 to 10 mph SSW | 16% |
| Monday | 52°F | Partly Sunny then Slight Chance Light Rain | 2 mph SW | 18% |
| Monday Night | 35°F | Slight Chance Light Rain | 2 mph SSW | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jette, MT
Last spring frost
May 10
First fall frost
Oct 5
Growing season
147 days
Hardiness zone
6a
Explore more for Jette, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Polson, Mt (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.