LaGrange, WY Weather & Growing Conditions
Tonight
53°F
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 53. West southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph WSW | 43% |
| Saturday | 71°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph WNW | 49% |
| Saturday Night | 48°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 10 mph SW | 21% |
| Sunday | 66°F | Partly Sunny then Chance Showers And Thunderstorms | 10 mph NW | 33% |
| Sunday Night | 44°F | Partly Cloudy | 5 to 10 mph WNW | 12% |
| Monday | 67°F | Mostly Sunny | 5 to 10 mph N | 3% |
| Monday Night | 48°F | Mostly Clear | 10 to 15 mph SSE | 1% |
| Tuesday | 74°F | Mostly Sunny | 15 mph S | 7% |
| Tuesday Night | 52°F | Chance Showers And Thunderstorms then Partly Cloudy | 10 to 20 mph S | 26% |
| Wednesday | 76°F | Mostly Sunny then Chance Showers And Thunderstorms | 10 mph SSW | 26% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 to 10 mph SW | 13% |
| Thursday | 76°F | Mostly Sunny | 5 to 10 mph NNE | 8% |
| Thursday Night | 53°F | Slight Chance Rain Showers then Partly Cloudy | 10 mph SSE | 15% |
| Friday | 77°F | Mostly Sunny | 10 to 15 mph S | 9% |
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 Sep 19, 2026.