Harman US

Jette, MT Weather & Growing Conditions

Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. North wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 50°F Mostly Cloudy 1 mph N 3%
Saturday 74°F Patchy Fog then Mostly Sunny 0 to 3 mph NE 4%
Saturday Night 48°F Partly Cloudy 0 to 3 mph SW 2%
Sunday 76°F Sunny 2 mph S 0%
Sunday Night 48°F Mostly Clear 2 mph E 0%
Monday 79°F Sunny 0 to 3 mph SW 0%
Monday Night 50°F Mostly Clear 2 mph SSE 0%
Tuesday 77°F Sunny 0 to 3 mph SSW 0%
Tuesday Night 50°F Mostly Clear 2 mph E 1%
Wednesday 76°F Mostly Sunny 0 to 5 mph SW 1%
Wednesday Night 49°F Partly Cloudy 0 to 3 mph S 3%
Thursday 74°F Mostly Sunny 0 to 3 mph WNW 1%
Thursday Night 49°F Partly Cloudy 2 mph ENE 9%
Friday 72°F Partly Sunny 0 to 5 mph NW 11%

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 Sep 19, 2026.