Greenback, TN Weather & Growing Conditions
Overnight
69°F
Partly Cloudy
Partly cloudy, with a low around 69. Northeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Partly Cloudy | 0 mph | 2% |
| Saturday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 18% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 23% |
| Sunday | 92°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 29% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 31% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 44% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 54% |
| Tuesday | 87°F | Showers And Thunderstorms | 0 mph | 76% |
| Tuesday Night | 66°F | Showers And Thunderstorms | 0 mph | 76% |
| Wednesday | 83°F | Rain Showers Likely | 0 mph | 64% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 0 mph | 64% |
| Thursday | 80°F | Chance Rain Showers | 0 to 5 mph N | 30% |
| Thursday Night | 60°F | Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 30% |
| Friday | 79°F | Mostly Sunny | 0 to 10 mph NE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Greenback, TN
Last spring frost
Apr 5
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
7b
Explore more for Greenback, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Lenoir City, Tn (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.