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Shawmut, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Shawmut, a community in Wheatland County, Montana.

Today
51°F
Sunny
Sunny. High near 51, with temperatures falling to around 43 in the afternoon. South southeast wind around 2 mph.

7-day forecast for Shawmut

WhenTempForecastWindPrecip
Today 51°F Sunny 2 mph SSE 0%
Tonight 27°F Partly Cloudy 1 to 7 mph WNW 0%
Wednesday 53°F Mostly Sunny 1 to 7 mph N 0%
Wednesday Night 27°F Mostly Clear 1 to 7 mph WSW 0%
Thursday 57°F Sunny 7 mph W 1%
Thursday Night 30°F Partly Cloudy 6 to 12 mph WNW 1%
Friday 55°F Sunny 7 to 12 mph W 4%
Friday Night 34°F Partly Cloudy 8 to 17 mph W 4%
Saturday 56°F Sunny 6 to 17 mph W 0%
Saturday Night 30°F Partly Cloudy 6 mph W 0%
Sunday 61°F Mostly Sunny 2 to 6 mph W 1%
Sunday Night 34°F Partly Cloudy 2 to 9 mph W 1%
Monday 57°F Partly Sunny 2 to 8 mph SW 1%
Monday Night 32°F Mostly Cloudy 2 to 6 mph WSW 1%

Forecast source: National Weather Service (api.weather.gov) for Shawmut (46.345, -109.512). Updated through the day.

Growing snapshot for Shawmut

Last spring frost
May 26
First fall frost
Sep 18
Growing season
112 days
Hardiness zone
4b

More local growing data for Shawmut: nearby ZIP 59078 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Ryegate 18 Nnw, Mt (10.3 mi from Shawmut). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.