Shawmut, MT Weather & Growing Conditions
Tonight
52°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. Low around 52, with temperatures rising to around 54 overnight. North northwest wind around 7 mph. Chance of precipitation is 100%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Showers And Thunderstorms | 7 mph NNW | 95% |
| Saturday | 59°F | Showers And Thunderstorms | 10 mph NNW | 94% |
| Saturday Night | 48°F | Rain Showers | 8 mph NNW | 83% |
| Sunday | 64°F | Rain Showers Likely | 2 to 8 mph NNW | 59% |
| Sunday Night | 46°F | Mostly Cloudy | 2 to 8 mph SE | 11% |
| Monday | 72°F | Mostly Sunny | 6 mph SSW | 0% |
| Monday Night | 47°F | Mostly Clear | 2 to 9 mph E | 0% |
| Tuesday | 77°F | Mostly Sunny | 2 to 8 mph WSW | 0% |
| Tuesday Night | 48°F | Partly Cloudy | 6 mph ENE | 3% |
| Wednesday | 77°F | Sunny | 2 to 7 mph W | 3% |
| Wednesday Night | 48°F | Mostly Clear | 2 to 6 mph NE | 1% |
| Thursday | 77°F | Sunny | 2 to 6 mph SW | 1% |
| Thursday Night | 48°F | Mostly Clear | 3 to 9 mph ENE | 3% |
| Friday | 78°F | Mostly Sunny | 6 mph WSW | 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 Sep 19, 2026.