Alpine, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alpine, a town in Bonneville County, Wyoming.
This Afternoon
66°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 66. South southeast wind around 2 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Alpine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Showers And Thunderstorms | 2 mph SSE | 88% |
| Tonight | 41°F | Showers And Thunderstorms | 0 to 3 mph ESE | 81% |
| Saturday | 61°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 3 mph SSW | 80% |
| Saturday Night | 37°F | Chance Showers And Thunderstorms then Patchy Fog | 0 to 3 mph NW | 30% |
| Sunday | 65°F | Partly Sunny | 0 to 3 mph W | 8% |
| Sunday Night | 37°F | Mostly Clear | 0 to 3 mph NE | 0% |
| Monday | 73°F | Sunny | 2 mph N | 0% |
| Monday Night | 41°F | Partly Cloudy | 2 mph NE | 0% |
| Tuesday | 74°F | Mostly Sunny | 3 mph S | 3% |
| Tuesday Night | 42°F | Slight Chance Showers And Thunderstorms | 2 mph NE | 18% |
| Wednesday | 74°F | Sunny then Slight Chance Showers And Thunderstorms | 2 mph S | 12% |
| Wednesday Night | 41°F | Mostly Clear | 3 mph NNE | 8% |
| Thursday | 76°F | Sunny | 2 mph SE | 6% |
| Thursday Night | 42°F | Partly Cloudy | 1 to 6 mph ESE | 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 Sep 19, 2026.