Sullivan Gardens, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sullivan Gardens, a community in Sullivan County, Tennessee.
Today
73°F
Showers And Thunderstorms Likely
A chance of rain showers before 1pm, then showers and thunderstorms likely. Mostly cloudy. High near 73, with temperatures falling to around 69 in the afternoon. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Sullivan Gardens
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Showers And Thunderstorms Likely | 5 to 15 mph S | 71% |
| Tonight | 60°F | Showers And Thunderstorms | 0 to 5 mph S | 83% |
| Thursday | 74°F | Chance Rain Showers | 0 to 5 mph SW | 44% |
| Thursday Night | 53°F | Mostly Cloudy | 0 mph | 9% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NW | 9% |
| Friday Night | 45°F | Partly Cloudy | 0 to 5 mph W | 2% |
| Saturday | 61°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Saturday Night | 36°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 61°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Monday | 62°F | Sunny | 0 to 5 mph W | 2% |
| Monday Night | 34°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 65°F | Sunny | 0 to 5 mph W | 2% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Sullivan Gardens (36.488, -82.591). Updated through the day.
Growing snapshot for Sullivan Gardens
Last spring frost
Apr 9
First fall frost
Oct 29
Growing season
203 days
Hardiness zone
7b
More local growing data for Sullivan Gardens: 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 Sullivan Gardens). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.