Kingsport, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kingsport, a city in Sullivan County, Tennessee.
Overnight
58°F
Mostly Cloudy
Mostly cloudy, with a low around 58. Southeast wind around 5 mph.
7-day forecast for Kingsport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Mostly Cloudy | 5 mph SE | 4% |
| Wednesday | 73°F | Showers And Thunderstorms Likely | 5 to 15 mph SE | 70% |
| Wednesday Night | 60°F | Showers And Thunderstorms | 0 to 5 mph S | 84% |
| Thursday | 75°F | Chance Rain Showers | 0 to 5 mph W | 42% |
| Thursday Night | 53°F | Mostly Cloudy | 0 mph | 10% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NW | 10% |
| Friday Night | 45°F | Partly Cloudy | 0 to 5 mph NW | 2% |
| Saturday | 61°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 61°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Monday | 63°F | Sunny | 0 to 5 mph W | 2% |
| Monday Night | 33°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 66°F | Sunny | 0 to 5 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Kingsport (36.519, -82.543). Updated through the day.
Growing snapshot for Kingsport
Last spring frost
Apr 9
First fall frost
Oct 29
Growing season
203 days
Hardiness zone
7b
More local growing data for Kingsport: nearby ZIP 37660 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kingsport, Tn (2.5 mi from Kingsport). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.