Martin City, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Martin City, a community in Flathead County, Montana.
This Afternoon
75°F
Sunny
Sunny, with a high near 75. South southwest wind around 1 mph.
7-day forecast for Martin City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 1 mph SSW | 1% |
| Tonight | 46°F | Partly Cloudy then Areas Of Fog | 0 mph | 1% |
| Sunday | 74°F | Areas Of Fog then Sunny | 1 mph S | 0% |
| Sunday Night | 45°F | Mostly Clear then Patchy Fog | 0 mph | 0% |
| Monday | 76°F | Patchy Fog then Sunny | 2 mph SSW | 0% |
| Monday Night | 45°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 75°F | Sunny | 2 mph SW | 0% |
| Tuesday Night | 46°F | Partly Cloudy | 0 mph | 1% |
| Wednesday | 72°F | Mostly Sunny | 0 to 3 mph WNW | 2% |
| Wednesday Night | 45°F | Partly Cloudy | 1 mph SW | 4% |
| Thursday | 69°F | Mostly Sunny | 2 mph SSW | 2% |
| Thursday Night | 45°F | Partly Cloudy | 0 mph | 11% |
| Friday | 68°F | Partly Sunny | 2 mph WNW | 13% |
| Friday Night | 43°F | Slight Chance Light Rain | 1 mph NE | 20% |
Forecast source: National Weather Service (api.weather.gov) for Martin City (48.393, -114.031). Updated through the day.
Growing snapshot for Martin City
Last spring frost
May 9
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
5b
More local growing data for Martin City: nearby ZIP 59919 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, Hungry Horse Dam, Mt (2.9 mi from Martin City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.