La Plata, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Plata, a city in Macon County, Missouri.
Overnight
64°F
Partly Cloudy
Partly cloudy, with a low around 64. South southeast wind around 6 mph.
7-day forecast for La Plata
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Partly Cloudy | 6 mph SSE | 0% |
| Tuesday | 89°F | Sunny | 7 mph S | 7% |
| Tuesday Night | 68°F | Chance Showers And Thunderstorms | 5 mph E | 33% |
| Wednesday | 83°F | Showers And Thunderstorms Likely | 7 mph SSE | 72% |
| Wednesday Night | 64°F | Showers And Thunderstorms Likely | 7 mph NNE | 81% |
| Thursday | 82°F | Showers And Thunderstorms then Mostly Sunny | 5 mph ENE | 81% |
| Thursday Night | 63°F | Mostly Clear | 3 mph ESE | 10% |
| Friday | 85°F | Mostly Sunny | 1 to 5 mph SSE | 10% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 mph S | 19% |
| Saturday | 88°F | Sunny | 3 to 9 mph SSW | 14% |
| Saturday Night | 71°F | Mostly Clear | 9 mph SSW | 6% |
| Sunday | 90°F | Sunny | 10 to 14 mph SSW | 6% |
| Sunday Night | 72°F | Mostly Clear | 8 to 13 mph SSW | 11% |
| Monday | 91°F | Mostly Sunny | 10 to 15 mph SSW | 11% |
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 Aug 4, 2026.