Harrisonville, MO Weather & Growing Conditions
Overnight
47°F
Patchy Drizzle
Patchy drizzle before 3am. Cloudy, with a low around 47. West northwest wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Patchy Drizzle | 9 mph WNW | 10% |
| Wednesday | 59°F | Mostly Cloudy | 7 to 12 mph W | 0% |
| Wednesday Night | 40°F | Clear | 5 mph WSW | 0% |
| Thursday | 58°F | Sunny | 3 to 8 mph WNW | 0% |
| Thursday Night | 43°F | Partly Cloudy | 5 mph NNW | 5% |
| Friday | 56°F | Partly Sunny | 3 to 7 mph N | 1% |
| Friday Night | 35°F | Mostly Cloudy | 2 mph NNE | 0% |
| Saturday | 56°F | Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 36°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 62°F | Sunny | 3 mph WNW | 0% |
| Sunday Night | 37°F | Clear | 2 mph SW | 0% |
| Monday | 68°F | Sunny | 2 to 8 mph SSW | 0% |
| Monday Night | 42°F | Clear | 3 mph SW | 0% |
| Tuesday | 69°F | Sunny | 5 mph WSW | 0% |
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 Nov 4, 2026.