Harman US

Plattsburg, MO Weather & Growing Conditions

Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. South southwest wind around 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 74°F Mostly Clear 8 mph SSW 2%
Saturday 92°F Mostly Sunny 8 to 12 mph SSW 9%
Saturday Night 66°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 3 to 7 mph NW 72%
Sunday 78°F Chance Showers And Thunderstorms 3 to 9 mph N 42%
Sunday Night 61°F Showers And Thunderstorms Likely 6 to 9 mph NNE 55%
Monday 69°F Chance Rain Showers 7 to 10 mph NNE 54%
Monday Night 54°F Slight Chance Rain Showers then Mostly Cloudy 6 to 10 mph NNE 18%
Tuesday 66°F Mostly Cloudy 9 mph NE 8%
Tuesday Night 49°F Mostly Cloudy 3 to 8 mph NE 5%
Wednesday 69°F Mostly Sunny 6 mph ENE 1%
Wednesday Night 53°F Partly Cloudy 5 mph E 6%
Thursday 71°F Slight Chance Rain Showers 5 mph E 15%
Thursday Night 55°F Slight Chance Rain Showers 3 mph E 18%
Friday 72°F Slight Chance Rain Showers 2 to 6 mph ESE 20%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Plattsburg, MO

Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
183 days
Hardiness zone
6a

Explore more for Plattsburg, MO: full frost dates · planting calendar · Missouri frost dates

Climate data from the nearest NOAA station, Smithville Lake, Mo (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.