La Grange, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Grange, a city in Lewis County, Missouri.
Tonight
51°F
Chance Light Rain then Chance Rain Showers
A chance of rain before 8pm, then a chance of rain showers. Cloudy, with a low around 51. Southwest wind 8 to 12 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
7-day forecast for La Grange
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Chance Light Rain then Chance Rain Showers | 8 to 12 mph SW | 34% |
| Wednesday | 58°F | Chance Rain Showers then Cloudy | 9 to 13 mph SW | 12% |
| Wednesday Night | 44°F | Mostly Cloudy | 7 mph SW | 1% |
| Thursday | 59°F | Partly Sunny | 6 to 9 mph W | 9% |
| Thursday Night | 43°F | Mostly Cloudy then Slight Chance T-storms | 6 mph NW | 19% |
| Friday | 55°F | Partly Sunny | 7 mph N | 2% |
| Friday Night | 37°F | Partly Cloudy | 1 to 5 mph N | 1% |
| Saturday | 56°F | Partly Sunny | 3 mph NW | 1% |
| Saturday Night | 37°F | Mostly Clear | 2 mph W | 3% |
| Sunday | 62°F | Sunny | 2 to 6 mph W | 9% |
| Sunday Night | 38°F | Mostly Clear | 3 mph W | 2% |
| Monday | 66°F | Sunny | 3 to 8 mph SW | 2% |
| Monday Night | 42°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 67°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for La Grange (40.047, -91.502). Updated through the day.
Growing snapshot for La Grange
Last spring frost
Apr 11
First fall frost
Oct 23
Growing season
194 days
Hardiness zone
6a
More local growing data for La Grange: nearby ZIP 63448 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Canton L&D 20, Mo (8.9 mi from La Grange). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.