Blountville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blountville, a community in Sullivan County, Tennessee.
This Afternoon
90°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny. High near 90, with temperatures falling to around 87 in the afternoon. West wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Blountville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Chance Showers And Thunderstorms | 0 mph | 27% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 0 mph | 34% |
| Sunday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 41% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 33% |
| Monday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 51% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 51% |
| Tuesday | 82°F | Showers And Thunderstorms | 0 to 5 mph SE | 84% |
| Tuesday Night | 63°F | Showers And Thunderstorms | 5 mph E | 84% |
| Wednesday | 77°F | Rain Showers Likely | 5 mph E | 72% |
| Wednesday Night | 60°F | Showers And Thunderstorms Likely | 5 to 10 mph E | 72% |
| Thursday | 74°F | Chance Rain Showers | 5 mph E | 51% |
| Thursday Night | 58°F | Chance Rain Showers | 0 to 5 mph NE | 40% |
| Friday | 74°F | Mostly Sunny then Chance Rain Showers | 0 to 10 mph N | 26% |
| Friday Night | 53°F | Chance Rain Showers then Partly Cloudy | 0 to 10 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov) for Blountville (36.533, -82.329). Updated through the day.
Growing snapshot for Blountville
Last spring frost
Apr 16
First fall frost
Oct 24
Growing season
190 days
Hardiness zone
7b
More local growing data for Blountville: nearby ZIP 37617 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bristol Tri City Ap, Tn (4.2 mi from Blountville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.