Unionville, MO Weather & Growing Conditions
Overnight
47°F
Patchy Drizzle
Patchy drizzle. Cloudy, with a low around 47. West wind around 10 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Patchy Drizzle | 10 mph W | 14% |
| Wednesday | 55°F | Patchy Drizzle then Cloudy | 12 to 17 mph W | 16% |
| Wednesday Night | 42°F | Mostly Cloudy | 9 mph W | 2% |
| Thursday | 54°F | Mostly Cloudy then Chance Rain Showers | 7 to 10 mph WNW | 25% |
| Thursday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 6 mph NNW | 17% |
| Friday | 51°F | Partly Sunny | 2 to 7 mph N | 8% |
| Friday Night | 30°F | Partly Cloudy | 1 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 2 mph WNW | 0% |
| Saturday Night | 34°F | Mostly Clear | 2 mph NW | 1% |
| Sunday | 59°F | Sunny | 5 mph W | 1% |
| Sunday Night | 36°F | Clear | 2 mph SW | 0% |
| Monday | 65°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 3 mph W | 0% |
| Tuesday | 65°F | Sunny | 3 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Unionville, MO
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
186 days
Hardiness zone
5b
Explore more for Unionville, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Unionville, Mo (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.