Unionville, TN Weather & Growing Conditions
Tonight
71°F
Mostly Clear
Mostly clear, with a low around 71. Northeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Mostly Clear | 0 mph | 4% |
| Saturday | 99°F | Sunny | 0 to 5 mph WNW | 12% |
| Saturday Night | 71°F | Partly Cloudy | 0 to 5 mph SSE | 13% |
| Sunday | 98°F | Mostly Sunny | 5 mph SW | 7% |
| Sunday Night | 69°F | Partly Cloudy | 5 mph S | 7% |
| Monday | 97°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 36% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 51% |
| Tuesday | 92°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 58% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 0 to 10 mph N | 58% |
| Wednesday | 84°F | Chance Rain Showers | 5 mph N | 31% |
| Wednesday Night | 60°F | Chance Rain Showers then Partly Cloudy | 5 mph NNE | 27% |
| Thursday | 82°F | Mostly Sunny | 5 to 10 mph N | 12% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 10 mph NNE | 7% |
| Friday | 82°F | Mostly Sunny | 5 to 10 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Unionville, TN
Last spring frost
Apr 14
First fall frost
Oct 25
Growing season
192 days
Hardiness zone
7b
Explore more for Unionville, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Christiana 5W, Tn (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.