Shawmut, MT Weather & Growing Conditions
This Afternoon
50°F
Sunny
Sunny. High near 50, with temperatures falling to around 44 in the afternoon. South southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Sunny | 5 mph SSW | 0% |
| Tonight | 27°F | Mostly Clear | 2 to 7 mph SW | 0% |
| Wednesday | 54°F | Sunny | 2 to 7 mph WSW | 0% |
| Wednesday Night | 27°F | Patchy Fog | 1 to 8 mph WNW | 0% |
| Thursday | 56°F | Sunny | 6 to 9 mph W | 5% |
| Thursday Night | 30°F | Partly Cloudy | 9 to 16 mph WNW | 5% |
| Friday | 55°F | Sunny | 8 to 14 mph W | 5% |
| Friday Night | 34°F | Partly Cloudy | 8 to 16 mph W | 5% |
| Saturday | 59°F | Sunny | 5 to 16 mph W | 0% |
| Saturday Night | 31°F | Partly Cloudy | 6 mph W | 0% |
| Sunday | 63°F | Mostly Sunny | 3 to 7 mph W | 0% |
| Sunday Night | 35°F | Partly Cloudy | 6 to 14 mph WNW | 1% |
| Monday | 56°F | Mostly Sunny | 2 to 10 mph SW | 1% |
| Monday Night | 33°F | Mostly Cloudy | 2 to 8 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Shawmut, MT
Last spring frost
May 26
First fall frost
Sep 18
Growing season
112 days
Hardiness zone
4b
Explore more for Shawmut, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Ryegate 18 Nnw, Mt (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.