LaGrange, WY Weather & Growing Conditions
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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Partly Sunny | 5 to 10 mph NNW | 0% |
| Tonight | 32°F | Mostly Cloudy | 5 mph NW | 0% |
| Thursday | 54°F | Mostly Sunny | 5 mph N | 0% |
| Thursday Night | 34°F | Partly Cloudy | 5 to 10 mph SSW | 1% |
| Friday | 53°F | Mostly Sunny | 5 to 15 mph WNW | 1% |
| Friday Night | 38°F | Mostly Clear | 5 to 10 mph W | 1% |
| Saturday | 57°F | Sunny | 0 to 15 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 to 10 mph W | 0% |
| Sunday | 67°F | Sunny | 10 mph SW | 0% |
| Sunday Night | 41°F | Clear | 10 mph WSW | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph N | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 to 10 mph S | 0% |
| Tuesday | 63°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 5 to 10 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for LaGrange, WY
Last spring frost
May 14
First fall frost
Oct 1
Growing season
137 days
Hardiness zone
5a
Explore more for LaGrange, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, La Grange, Wy (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.