Sullivan Gardens, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sullivan Gardens, a community in Sullivan County, Tennessee.
Tonight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am, then patchy fog. Mostly cloudy, with a low around 66. Southeast wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Sullivan Gardens
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms | 0 mph | 31% |
| Sunday | 90°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph SW | 42% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 37% |
| Monday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 48% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 52% |
| Tuesday | 84°F | Showers And Thunderstorms | 0 to 5 mph SE | 85% |
| Tuesday Night | 62°F | Showers And Thunderstorms | 5 mph E | 85% |
| Wednesday | 79°F | Rain Showers Likely | 5 mph E | 74% |
| Wednesday Night | 59°F | Showers And Thunderstorms Likely | 5 to 10 mph E | 74% |
| Thursday | 77°F | Rain Showers Likely | 5 mph N | 55% |
| Thursday Night | 56°F | Chance Rain Showers then Partly Cloudy | 0 to 5 mph NE | 37% |
| Friday | 77°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph N | 24% |
| Friday Night | 53°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 24% |
| Saturday | 76°F | Mostly Sunny | 0 to 5 mph NE | 10% |
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 Sep 20, 2026.