Plattsburg, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plattsburg, a city in Clinton County, Missouri.
Overnight
45°F
Patchy Drizzle
Patchy drizzle before 2am. Cloudy, with a low around 45. West northwest wind 7 to 12 mph, with gusts as high as 18 mph.
7-day forecast for Plattsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Patchy Drizzle | 7 to 12 mph WNW | 12% |
| Wednesday | 57°F | Mostly Cloudy | 9 to 13 mph W | 2% |
| Wednesday Night | 39°F | Mostly Clear | 7 mph W | 1% |
| Thursday | 56°F | Mostly Sunny | 5 to 9 mph WNW | 6% |
| Thursday Night | 41°F | Mostly Cloudy | 7 mph NNW | 6% |
| Friday | 54°F | Partly Sunny | 7 mph N | 1% |
| Friday Night | 34°F | Mostly Cloudy | 0 to 3 mph NNE | 0% |
| Saturday | 55°F | Mostly Sunny | 2 mph SW | 0% |
| Saturday Night | 36°F | Mostly Clear | 1 mph WSW | 0% |
| Sunday | 61°F | Sunny | 1 to 5 mph W | 0% |
| Sunday Night | 38°F | Clear | 2 mph SW | 0% |
| Monday | 67°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 5 mph WSW | 0% |
| Tuesday | 68°F | Sunny | 5 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Plattsburg (39.554, -94.463). Updated through the day.
Growing snapshot for Plattsburg
Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
183 days
Hardiness zone
6a
More local growing data for Plattsburg: nearby ZIP 64477 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Smithville Lake, Mo (13.8 mi from Plattsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.