Harrisonville, MO Weather & Growing Conditions
Overnight
73°F
Mostly Clear
Mostly clear, with a low around 73. South southwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Mostly Clear | 7 mph SSW | 0% |
| Saturday | 96°F | Sunny | 7 to 14 mph SSW | 1% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 2 to 9 mph W | 58% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 mph N | 49% |
| Sunday Night | 64°F | Showers And Thunderstorms | 3 to 7 mph NNE | 78% |
| Monday | 73°F | Showers And Thunderstorms Likely | 6 to 9 mph N | 70% |
| Monday Night | 56°F | Mostly Cloudy | 6 to 9 mph NNE | 8% |
| Tuesday | 70°F | Partly Sunny | 9 mph NNE | 4% |
| Tuesday Night | 51°F | Partly Cloudy | 3 to 7 mph NE | 1% |
| Wednesday | 72°F | Mostly Sunny | 6 mph NE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 5 mph ENE | 3% |
| Thursday | 76°F | Slight Chance Rain Showers | 5 mph E | 19% |
| Thursday Night | 58°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph E | 19% |
| Friday | 77°F | Slight Chance Rain Showers | 2 to 6 mph E | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrisonville, MO
Last spring frost
Apr 8
First fall frost
Oct 29
Growing season
204 days
Hardiness zone
6b
Explore more for Harrisonville, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Pleasant Hill Wfo, Mo (13.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.