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
50°F
Chance Showers And Thunderstorms then Areas Of Fog
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and midnight, then areas of fog and showers and thunderstorms. Cloudy, with a low around 50. South wind 0 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Gallatin Gateway
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Chance Showers And Thunderstorms then Areas Of Fog | 0 to 7 mph S | 87% |
| Saturday | 56°F | Showers And Thunderstorms | 2 to 7 mph N | 93% |
| Saturday Night | 47°F | Showers And Thunderstorms Likely then Chance Light Rain | 0 to 5 mph NW | 74% |
| Sunday | 65°F | Areas Of Fog then Partly Sunny | 0 to 3 mph NW | 22% |
| Sunday Night | 42°F | Mostly Clear | 2 to 6 mph S | 1% |
| Monday | 72°F | Sunny | 2 to 6 mph NW | 0% |
| Monday Night | 45°F | Mostly Clear | 2 to 8 mph S | 0% |
| Tuesday | 74°F | Mostly Sunny | 2 to 6 mph WSW | 1% |
| Tuesday Night | 47°F | Partly Cloudy | 2 to 7 mph SE | 2% |
| Wednesday | 75°F | Sunny | 3 to 7 mph WNW | 4% |
| Wednesday Night | 47°F | Mostly Clear | 2 to 8 mph SSW | 2% |
| Thursday | 76°F | Sunny | 3 to 7 mph WNW | 2% |
| Thursday Night | 49°F | Mostly Clear | 2 to 10 mph S | 1% |
| Friday | 77°F | Mostly Sunny | 7 mph SSW | 1% |
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 Sep 19, 2026.