LaGrange, WY Weather & Growing Conditions
Today
49°F
Partly Sunny
Partly sunny. High near 49, with temperatures falling to around 43 in the afternoon. North northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Partly Sunny | 5 to 10 mph NNW | 0% |
| Tonight | 31°F | Mostly Cloudy | 5 to 10 mph NW | 0% |
| Thursday | 56°F | Mostly Sunny | 5 to 10 mph NNW | 0% |
| Thursday Night | 33°F | Partly Cloudy | 5 to 10 mph SSW | 0% |
| Friday | 56°F | Mostly Sunny | 5 to 15 mph WNW | 7% |
| Friday Night | 33°F | Mostly Clear | 5 to 15 mph W | 4% |
| Saturday | 58°F | Sunny | 5 to 15 mph WNW | 0% |
| Saturday Night | 33°F | Mostly Clear | 5 to 10 mph W | 0% |
| Sunday | 67°F | Sunny | 5 to 10 mph WSW | 0% |
| Sunday Night | 41°F | Mostly Clear | 10 mph WSW | 0% |
| Monday | 64°F | Sunny | 5 to 10 mph NW | 0% |
| Monday Night | 38°F | Partly Cloudy | 5 to 10 mph WSW | 0% |
| Tuesday | 64°F | Mostly Sunny | 10 to 15 mph WSW | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for LaGrange, WY
Last spring frost
May 21
First fall frost
Sep 21
Growing season
121 days
Hardiness zone
5a
Explore more for LaGrange, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Phillips, Wy (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.