Martin City, MT Weather & Growing Conditions
Tonight
46°F
Mostly Cloudy
Mostly cloudy, with a low around 46. East southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Cloudy | 2 mph ESE | 3% |
| Saturday | 72°F | Patchy Fog then Sunny | 2 mph E | 1% |
| Saturday Night | 45°F | Mostly Clear then Patchy Fog | 1 mph E | 0% |
| Sunday | 72°F | Patchy Fog then Sunny | 1 mph S | 0% |
| Sunday Night | 45°F | Clear | 1 mph NE | 0% |
| Monday | 72°F | Sunny | 2 mph ESE | 0% |
| Monday Night | 46°F | Mostly Clear | 1 mph NNE | 0% |
| Tuesday | 71°F | Sunny | 1 mph S | 0% |
| Tuesday Night | 46°F | Partly Cloudy | 1 mph ENE | 1% |
| Wednesday | 68°F | Sunny | 2 mph S | 1% |
| Wednesday Night | 45°F | Partly Cloudy | 1 mph ENE | 2% |
| Thursday | 71°F | Mostly Sunny | 1 mph NE | 3% |
| Thursday Night | 46°F | Partly Cloudy | 1 mph ENE | 2% |
| Friday | 70°F | Mostly Sunny | 1 mph SE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Martin City, MT
Last spring frost
May 9
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
5b
Explore more for Martin City, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Hungry Horse Dam, Mt (1.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.