LaGrange, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for LaGrange, a town in Goshen County, Wyoming.
This Afternoon
84°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3pm. Partly sunny. High near 84, with temperatures falling to around 74 in the afternoon. North northwest wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for LaGrange
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Slight Chance Showers And Thunderstorms | 10 mph NNW | 17% |
| Tonight | 55°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph SW | 47% |
| Saturday | 74°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph W | 27% |
| Saturday Night | 49°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph S | 33% |
| Sunday | 68°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph WNW | 31% |
| Sunday Night | 44°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph W | 22% |
| Monday | 70°F | Mostly Sunny | 5 to 10 mph N | 4% |
| Monday Night | 48°F | Mostly Clear | 10 mph SE | 4% |
| Tuesday | 77°F | Mostly Sunny | 10 to 20 mph SSE | 8% |
| Tuesday Night | 52°F | Chance Showers And Thunderstorms then Partly Cloudy | 10 to 20 mph SSE | 30% |
| Wednesday | 79°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 mph S | 22% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 10 mph SSW | 14% |
| Thursday | 79°F | Mostly Sunny | 5 to 10 mph N | 5% |
| Thursday Night | 53°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph SE | 15% |
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 Sep 18, 2026.