Gallatin Gateway, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gallatin Gateway, a community in Gallatin County, Montana.
Tonight
26°F
Patchy Fog
Patchy fog. Mostly cloudy, with a low around 26. South wind 1 to 5 mph.
7-day forecast for Gallatin Gateway
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 26°F | Patchy Fog | 1 to 5 mph S | 0% |
| Wednesday | 43°F | Patchy Fog | 2 mph SSW | 0% |
| Wednesday Night | 26°F | Patchy Fog | 1 to 6 mph S | 0% |
| Thursday | 46°F | Patchy Fog then Mostly Sunny | 2 to 8 mph SW | 14% |
| Thursday Night | 26°F | Partly Cloudy | 2 to 6 mph S | 14% |
| Friday | 47°F | Mostly Sunny | 3 to 7 mph SSW | 7% |
| Friday Night | 28°F | Mostly Cloudy | 6 to 15 mph SSW | 7% |
| Saturday | 50°F | Mostly Sunny | 2 to 8 mph SSW | 0% |
| Saturday Night | 29°F | Partly Cloudy | 2 to 12 mph S | 0% |
| Sunday | 56°F | Mostly Sunny | 2 to 9 mph S | 1% |
| Sunday Night | 32°F | Partly Cloudy | 5 to 10 mph S | 1% |
| Monday | 54°F | Partly Sunny | 1 to 5 mph SW | 3% |
| Monday Night | 34°F | Mostly Cloudy | 1 to 8 mph S | 3% |
| Tuesday | 56°F | Mostly Sunny | 2 to 6 mph SSW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Gallatin Gateway (45.588, -111.195). Updated through the day.
Growing snapshot for Gallatin Gateway
Last spring frost
May 23
First fall frost
Sep 23
Growing season
123 days
Hardiness zone
5a
More local growing data for Gallatin Gateway: nearby ZIP 59718 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Amsterdam
Belgrade
Bozeman
Bridger
Churchill
Four Corners
Gallatin River Ranch
Hebgen Lake Estates
King Arthur Park
Logan
Manhattan
Ponderosa Pines
Springhill
Three Forks
West Yellowstone
Wheatland
Willow Creek
Climate data from the nearest NOAA station, Bozeman 6 W Exp Farm, Mt (2.4 mi from Gallatin Gateway). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.