LaGrange, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for LaGrange, a town in Goshen County, Wyoming.
Today
51°F
Partly Sunny
Partly sunny. High near 51, with temperatures falling to around 45 in the afternoon. Northwest wind 5 to 10 mph.
7-day forecast for LaGrange
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 51°F | Partly Sunny | 5 to 10 mph NW | 0% |
| Tonight | 30°F | Mostly Cloudy | 5 mph WNW | 1% |
| Thursday | 57°F | Mostly Sunny | 5 mph NNW | 0% |
| Thursday Night | 32°F | Partly Cloudy | 5 mph SSW | 0% |
| Friday | 57°F | Mostly Sunny | 0 to 15 mph WNW | 5% |
| Friday Night | 32°F | Mostly Clear | 5 to 10 mph WSW | 3% |
| Saturday | 59°F | Sunny | 0 to 10 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Sunday | 68°F | Sunny | 5 to 10 mph SW | 0% |
| Sunday Night | 39°F | Mostly Clear | 5 to 10 mph WSW | 0% |
| Monday | 64°F | Sunny | 5 mph NW | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 mph SSE | 0% |
| Tuesday | 65°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Tuesday Night | 39°F | Partly Cloudy | 5 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for LaGrange (41.639, -104.163). Updated through the day.
Growing snapshot for LaGrange
Last spring frost
May 14
First fall frost
Oct 1
Growing season
137 days
Hardiness zone
5a
More local growing data for LaGrange: nearby ZIP 82217 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, La Grange, Wy (8.6 mi from LaGrange). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.