Unionville, MO Weather & Growing Conditions
Today
89°F
Mostly Sunny
Mostly sunny, with a high near 89. South southwest wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Mostly Sunny | 3 to 7 mph SSW | 12% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 50% |
| Wednesday | 79°F | Showers And Thunderstorms Likely | 6 mph NE | 70% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 2 to 7 mph NNE | 65% |
| Thursday | 81°F | Chance Showers And Thunderstorms then Mostly Sunny | 3 mph ENE | 51% |
| Thursday Night | 62°F | Mostly Clear | 2 mph E | 3% |
| Friday | 86°F | Sunny | 3 mph S | 6% |
| Friday Night | 67°F | Mostly Clear | 2 mph S | 14% |
| Saturday | 88°F | Sunny | 3 to 10 mph SSW | 11% |
| Saturday Night | 71°F | Mostly Clear | 9 to 14 mph SSW | 8% |
| Sunday | 90°F | Sunny | 12 to 16 mph SSW | 8% |
| Sunday Night | 72°F | Partly Cloudy | 10 to 16 mph SSW | 14% |
| Monday | 91°F | Mostly Sunny | 12 to 18 mph SSW | 14% |
| Monday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 12 to 18 mph SSW | 22% |
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 Aug 4, 2026.