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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

WhenTempForecastWindPrecip
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.