Kingsport, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kingsport, a city in Sullivan County, Tennessee.
This Afternoon
88°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Mostly sunny. High near 88, with temperatures falling to around 83 in the afternoon. East wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Kingsport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Chance Showers And Thunderstorms | 0 mph | 43% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 56% |
| Wednesday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 51% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 52% |
| Thursday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 50% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph SW | 50% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 47% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 47% |
| Saturday | 87°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 57% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 57% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 33% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 33% |
| Monday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 31% |
| Monday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 31% |
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 Aug 4, 2026.