West Yellowstone, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Yellowstone, a town in Gallatin County, Montana.
This Afternoon
45°F
Sunny
Sunny. High near 45, with temperatures falling to around 38 in the afternoon. Wind around 0 mph.
7-day forecast for West Yellowstone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Sunny | 0 mph | 0% |
| Tonight | 18°F | Areas Of Fog | 0 mph | 0% |
| Wednesday | 50°F | Areas Of Fog | 1 mph WNW | 0% |
| Wednesday Night | 18°F | Areas Of Fog | 1 mph SW | 0% |
| Thursday | 42°F | Areas Of Fog then Slight Chance Light Snow | 0 to 7 mph WSW | 16% |
| Thursday Night | 20°F | Slight Chance Light Snow | 3 mph SSW | 16% |
| Friday | 39°F | Partly Sunny | 1 to 8 mph SSW | 10% |
| Friday Night | 19°F | Mostly Cloudy | 1 to 7 mph SSW | 10% |
| Saturday | 44°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Saturday Night | 18°F | Partly Cloudy | 2 mph S | 0% |
| Sunday | 48°F | Mostly Sunny | 0 to 7 mph WNW | 0% |
| Sunday Night | 22°F | Mostly Cloudy | 2 mph SW | 0% |
| Monday | 50°F | Partly Sunny | 0 to 6 mph WNW | 5% |
| Monday Night | 24°F | Mostly Cloudy | 2 mph S | 6% |
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 Nov 4, 2026.