Greenback, TN Weather & Growing Conditions
This Afternoon
80°F
Sunny
Sunny. High near 80, with temperatures falling to around 76 in the afternoon. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 5 mph S | 1% |
| Tonight | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 18% |
| Wednesday | 73°F | Showers And Thunderstorms | 10 mph S | 95% |
| Wednesday Night | 61°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 67% |
| Thursday | 74°F | Slight Chance Rain Showers | 0 to 5 mph W | 23% |
| Thursday Night | 52°F | Mostly Cloudy | 0 mph | 10% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph NW | 9% |
| Friday Night | 46°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Saturday | 64°F | Mostly Sunny | 5 mph N | 1% |
| Saturday Night | 39°F | Mostly Cloudy | 5 mph N | 1% |
| Sunday | 63°F | Partly Sunny | 0 to 5 mph N | 6% |
| Sunday Night | 37°F | Partly Cloudy | 0 to 5 mph NW | 9% |
| Monday | 63°F | Mostly Sunny | 0 to 5 mph NW | 9% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph W | 5% |
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 Nov 4, 2026.