Martin City, MT Weather & Growing Conditions
Overnight
39°F
Mostly Clear
Mostly clear, with a low around 39. East wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Mostly Clear | 1 mph E | 0% |
| Tuesday | 74°F | Sunny | 2 mph WNW | 1% |
| Tuesday Night | 44°F | Mostly Clear | 1 mph NE | 0% |
| Wednesday | 80°F | Sunny | 2 mph S | 0% |
| Wednesday Night | 46°F | Mostly Clear | 2 mph WNW | 0% |
| Thursday | 87°F | Sunny | 0 to 3 mph SW | 0% |
| Thursday Night | 49°F | Clear | 0 to 3 mph ENE | 0% |
| Friday | 89°F | Sunny | 0 to 5 mph W | 0% |
| Friday Night | 49°F | Clear | 1 to 7 mph S | 0% |
| Saturday | 87°F | Sunny | 0 to 6 mph SW | 0% |
| Saturday Night | 49°F | Mostly Clear | 0 to 6 mph SSW | 0% |
| Sunday | 83°F | Sunny | 2 mph S | 0% |
| Sunday Night | 47°F | Mostly Clear | 2 mph SE | 0% |
| Monday | 81°F | Sunny | 2 mph SSE | 2% |
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 Aug 4, 2026.