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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.