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Choteau, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Choteau, a city in Teton County, Montana.

Overnight
30°F
Mostly Cloudy
Mostly cloudy, with a low around 30. West northwest wind around 1 mph.

7-day forecast for Choteau

WhenTempForecastWindPrecip
Overnight 30°F Mostly Cloudy 1 mph WNW 0%
Wednesday 50°F Mostly Sunny 2 mph NNE 0%
Wednesday Night 29°F Mostly Clear 2 to 6 mph SW 0%
Thursday 53°F Partly Sunny 6 to 12 mph SW 0%
Thursday Night 32°F Partly Cloudy 8 mph WSW 0%
Friday 53°F Mostly Sunny 6 to 13 mph SW 0%
Friday Night 38°F Mostly Cloudy 5 to 14 mph SW 2%
Saturday 59°F Mostly Sunny 7 mph SSW 2%
Saturday Night 39°F Partly Cloudy 5 to 8 mph SSW 0%
Sunday 61°F Partly Sunny 7 to 15 mph SW 0%
Sunday Night 36°F Partly Cloudy 3 to 7 mph WSW 1%
Monday 54°F Partly Sunny 5 mph SW 1%
Monday Night 37°F Mostly Cloudy 5 mph SW 0%
Tuesday 57°F Mostly Sunny 5 to 12 mph SW 1%

Forecast source: National Weather Service (api.weather.gov) for Choteau (47.814, -112.179). Updated through the day.

Growing snapshot for Choteau

Last spring frost
May 16
First fall frost
Sep 27
Growing season
133 days
Hardiness zone
4b

More local growing data for Choteau: nearby ZIP 59419 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Bynum 4 Sse, Mt (3 mi from Choteau). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.