Harman US

LaGrange, WY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for LaGrange, a town in Goshen County, Wyoming.

This Afternoon
51°F
Partly Sunny
Partly sunny. High near 51, with temperatures falling to around 45 in the afternoon. North northwest wind 5 to 10 mph.

7-day forecast for LaGrange

WhenTempForecastWindPrecip
This Afternoon 51°F Partly Sunny 5 to 10 mph NNW 0%
Tonight 32°F Mostly Cloudy 5 mph WNW 1%
Thursday 54°F Mostly Sunny 5 mph WNW 0%
Thursday Night 32°F Partly Cloudy 5 to 10 mph SSW 0%
Friday 53°F Mostly Sunny 0 to 10 mph WNW 0%
Friday Night 36°F Mostly Clear 0 to 10 mph W 1%
Saturday 58°F Sunny 0 to 10 mph NW 0%
Saturday Night 32°F Mostly Clear 0 to 5 mph W 0%
Sunday 67°F Sunny 5 to 10 mph SSW 0%
Sunday Night 39°F Clear 5 to 10 mph WSW 0%
Monday 63°F Sunny 5 mph NNW 0%
Monday Night 37°F Partly Cloudy 5 mph SSE 0%
Tuesday 63°F Mostly Sunny 5 to 10 mph SW 0%
Tuesday Night 38°F Partly Cloudy 5 mph WSW 1%

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

All Wyoming locations ›

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.