Alpine, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alpine, a town in Bonneville County, Wyoming.
This Afternoon
50°F
Mostly Sunny
Mostly sunny. High near 50, with temperatures falling to around 45 in the afternoon. Southeast wind around 3 mph.
7-day forecast for Alpine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Mostly Sunny | 3 mph SE | 0% |
| Tonight | 26°F | Mostly Cloudy | 6 mph E | 1% |
| Wednesday | 51°F | Mostly Cloudy | 1 to 7 mph NNE | 4% |
| Wednesday Night | 25°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Thursday | 48°F | Mostly Sunny then Slight Chance Rain And Snow Showers | 2 mph SSW | 24% |
| Thursday Night | 27°F | Slight Chance Rain And Snow Showers then Mostly Cloudy | 1 mph W | 24% |
| Friday | 47°F | Mostly Sunny | 2 mph SW | 5% |
| Friday Night | 26°F | Partly Cloudy | 1 mph W | 5% |
| Saturday | 52°F | Mostly Sunny | 0 mph | 1% |
| Saturday Night | 28°F | Partly Cloudy | 0 to 3 mph SE | 0% |
| Sunday | 58°F | Sunny | 3 mph S | 0% |
| Sunday Night | 31°F | Partly Cloudy | 2 mph SE | 1% |
| Monday | 58°F | Mostly Sunny | 1 mph SSE | 3% |
| Monday Night | 32°F | Mostly Cloudy | 1 mph SSE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Alpine (43.160, -111.015). Updated through the day.
Growing snapshot for Alpine
Growing season
67 days
Hardiness zone
5a
More local growing data for Alpine: nearby ZIP 83120 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bedford 3 Se, Wy (20.1 mi from Alpine). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.