Unionville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Unionville, a community in Bedford County, Tennessee.
Overnight
62°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 62. South southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Unionville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Showers And Thunderstorms | 15 to 20 mph SSE | 96% |
| Wednesday | 74°F | Showers And Thunderstorms | 5 to 20 mph SSW | 99% |
| Wednesday Night | 46°F | Areas Of Fog | 0 to 5 mph W | 1% |
| Thursday | 73°F | Areas Of Fog then Mostly Sunny | 0 mph | 0% |
| Thursday Night | 41°F | Areas Of Fog | 0 mph | 0% |
| Friday | 71°F | Areas Of Fog then Sunny | 0 to 10 mph NNW | 1% |
| Friday Night | 38°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 61°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 60°F | Mostly Sunny | 0 to 10 mph N | 1% |
| Sunday Night | 30°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 63°F | Sunny | 0 to 5 mph NNW | 0% |
| Monday Night | 31°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 68°F | Sunny | 0 to 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Unionville (35.612, -86.574). Updated through the day.
Growing snapshot for Unionville
Last spring frost
Apr 14
First fall frost
Oct 25
Growing season
192 days
Hardiness zone
7b
More local growing data for Unionville: nearby ZIP 37180 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Christiana 5W, Tn (7.6 mi from Unionville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.