La Grange, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Grange, a city in Lewis County, Missouri.
Overnight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. South wind around 6 mph.
7-day forecast for La Grange
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Partly Cloudy | 6 mph S | 7% |
| Saturday | 92°F | Mostly Cloudy | 7 mph SW | 7% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 3 mph W | 57% |
| Sunday | 79°F | Showers And Thunderstorms | 2 to 8 mph N | 53% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely | 8 mph NE | 72% |
| Monday | 68°F | Showers And Thunderstorms Likely | 9 mph NE | 72% |
| Monday Night | 56°F | Chance Rain Showers | 8 mph NE | 29% |
| Tuesday | 65°F | Chance Rain Showers then Mostly Cloudy | 8 mph NE | 28% |
| Tuesday Night | 51°F | Partly Cloudy | 3 to 7 mph NE | 4% |
| Wednesday | 69°F | Mostly Sunny | 6 mph N | 1% |
| Wednesday Night | 54°F | Partly Cloudy | 5 mph NE | 2% |
| Thursday | 71°F | Partly Sunny | 5 mph NE | 4% |
| Thursday Night | 57°F | Mostly Cloudy | 3 mph NE | 5% |
| Friday | 73°F | Partly Sunny | 5 mph NE | 8% |
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 Sep 19, 2026.