West Yellowstone, WY Weather & Growing Conditions
Today
68°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 68. West southwest wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Areas Of Smoke | 2 to 6 mph WSW | 0% |
| Tonight | 38°F | Smoke | 1 to 6 mph NE | 1% |
| Wednesday | 70°F | Sunny | 1 to 6 mph S | 0% |
| Wednesday Night | 41°F | Mostly Clear | 2 to 6 mph SSW | 0% |
| Thursday | 76°F | Sunny | 6 mph SW | 0% |
| Thursday Night | 45°F | Mostly Clear | 2 to 6 mph SSW | 0% |
| Friday | 79°F | Sunny | 2 to 7 mph SSW | 0% |
| Friday Night | 46°F | Mostly Clear | 6 mph SW | 0% |
| Saturday | 79°F | Sunny | 3 to 7 mph SW | 0% |
| Saturday Night | 47°F | Partly Cloudy | 5 mph SW | 0% |
| Sunday | 78°F | Sunny | 3 to 8 mph SW | 1% |
| Sunday Night | 47°F | Partly Cloudy | 7 mph SW | 2% |
| Monday | 77°F | Sunny | 7 mph SW | 1% |
| Monday Night | 46°F | Partly Cloudy | 7 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Yellowstone, WY
Growing season
28 days
Hardiness zone
4b
Explore more for West Yellowstone, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Old Faithful, Wy (10 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.