West Yellowstone, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Yellowstone, a town in Gallatin County, Montana.
Today
76°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 76. West northwest wind 0 to 8 mph.
7-day forecast for West Yellowstone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Areas Of Smoke | 0 to 8 mph WNW | 0% |
| Tonight | 34°F | Areas Of Smoke | 0 to 9 mph NNW | 0% |
| Wednesday | 80°F | Patchy Smoke | 0 to 9 mph WNW | 0% |
| Wednesday Night | 38°F | Patchy Smoke then Mostly Clear | 0 to 8 mph WSW | 0% |
| Thursday | 88°F | Sunny | 0 to 10 mph W | 0% |
| Thursday Night | 43°F | Mostly Clear | 0 to 9 mph W | 0% |
| Friday | 91°F | Sunny | 0 to 14 mph WNW | 0% |
| Friday Night | 44°F | Mostly Clear | 0 to 13 mph W | 0% |
| Saturday | 89°F | Sunny | 0 to 14 mph W | 0% |
| Saturday Night | 46°F | Partly Cloudy | 0 to 12 mph W | 0% |
| Sunday | 88°F | Sunny | 0 to 14 mph W | 1% |
| Sunday Night | 45°F | Partly Cloudy | 0 to 15 mph W | 1% |
| Monday | 87°F | Sunny | 0 to 14 mph NW | 1% |
| Monday Night | 45°F | Partly Cloudy | 0 to 14 mph WSW | 3% |
Forecast source: National Weather Service (api.weather.gov) for West Yellowstone (44.662, -111.107). Updated through the day.
Growing snapshot for West Yellowstone
Last spring frost
Jun 15
First fall frost
Sep 10
Growing season
87 days
Hardiness zone
4b
More local growing data for West Yellowstone: nearby ZIP 59758 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Amsterdam
Belgrade
Bozeman
Bridger
Churchill
Four Corners
Gallatin Gateway
Gallatin River Ranch
Hebgen Lake Estates
King Arthur Park
Logan
Manhattan
Ponderosa Pines
Springhill
Three Forks
Wheatland
Willow Creek
Climate data from the nearest NOAA station, Hebgen Dam, Mt (8.6 mi from West Yellowstone). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.