Unionville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Unionville, a community in Bedford County, Tennessee.
Today
72°F
Showers And Thunderstorms
Showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Mostly cloudy. High near 72, with temperatures falling to around 67 in the afternoon. South southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Unionville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Showers And Thunderstorms | 5 to 15 mph SSW | 93% |
| Tonight | 45°F | Areas Of Fog | 0 to 5 mph W | 0% |
| Thursday | 74°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph W | 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% |
| Tuesday Night | 34°F | Mostly Clear | 0 mph | 0% |
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.