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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 2 mph.

7-day forecast for Jette

WhenTempForecastWindPrecip
This Afternoon 45°F Partly Sunny 2 mph NE 0%
Tonight 29°F Mostly Cloudy 0 mph 0%
Wednesday 47°F Partly Sunny 1 mph SSW 0%
Wednesday Night 29°F Partly Cloudy 2 mph SSE 1%
Thursday 48°F Partly Sunny 2 to 7 mph SSW 13%
Thursday Night 32°F Mostly Cloudy 5 to 8 mph S 13%
Friday 50°F Partly Sunny then Slight Chance Light Rain 5 to 9 mph SSW 17%
Friday Night 35°F Slight Chance Light Rain then Mostly Cloudy 5 to 12 mph SSW 17%
Saturday 53°F Partly Sunny 1 to 5 mph S 2%
Saturday Night 35°F Partly Cloudy 1 mph SSE 10%
Sunday 57°F Partly Sunny then Slight Chance Light Rain 1 to 8 mph SSW 18%
Sunday Night 36°F Slight Chance Light Rain then Mostly Cloudy 1 to 8 mph SSW 18%
Monday 53°F Partly Sunny 2 mph SSW 14%
Monday Night 36°F Slight Chance Light Rain 2 mph S 17%

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

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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 3, 2026.