La Plata, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Plata, a city in Macon County, Missouri.
Tonight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. Southwest wind around 13 mph, with gusts as high as 23 mph.
7-day forecast for La Plata
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Cloudy | 13 mph SW | 12% |
| Wednesday | 54°F | Mostly Cloudy | 12 to 16 mph WSW | 11% |
| Wednesday Night | 41°F | Partly Cloudy | 9 mph WSW | 2% |
| Thursday | 54°F | Partly Sunny then Slight Chance Rain Showers | 7 to 12 mph W | 18% |
| Thursday Night | 40°F | Mostly Cloudy | 5 to 8 mph NW | 11% |
| Friday | 52°F | Partly Sunny | 5 to 9 mph N | 6% |
| Friday Night | 34°F | Partly Cloudy | 3 mph N | 1% |
| Saturday | 53°F | Partly Sunny | 1 to 5 mph WNW | 1% |
| Saturday Night | 35°F | Partly Cloudy | 3 mph W | 5% |
| Sunday | 60°F | Sunny | 3 to 7 mph W | 7% |
| Sunday Night | 36°F | Mostly Clear | 3 mph WSW | 1% |
| Monday | 64°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 65°F | Sunny | 6 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for La Plata (40.024, -92.491). Updated through the day.
Growing snapshot for La Plata
Last spring frost
Apr 19
First fall frost
Oct 18
Growing season
180 days
Hardiness zone
6a
More local growing data for La Plata: nearby ZIP 63549 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kirksville Rgnl Ap, Mo (6.2 mi from La Plata). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.