Greenbrier, TN Weather & Growing Conditions
Overnight
63°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 63. South wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Showers And Thunderstorms | 20 mph S | 79% |
| Wednesday | 72°F | Showers And Thunderstorms | 10 to 20 mph SW | 99% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph WSW | 0% |
| Thursday Night | 45°F | Mostly Clear | 0 mph | 0% |
| Friday | 65°F | Mostly Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 40°F | Partly Cloudy | 5 to 10 mph NNW | 0% |
| Saturday | 57°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 58°F | Mostly Sunny | 0 to 10 mph NNW | 1% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 61°F | Sunny | 0 to 5 mph SSW | 0% |
| Monday Night | 36°F | Clear | 0 mph | 1% |
| Tuesday | 66°F | Sunny | 0 to 5 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Greenbrier, TN
Last spring frost
Apr 9
First fall frost
Oct 28
Growing season
201 days
Hardiness zone
7a
Explore more for Greenbrier, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Springfield Exp Stn, Tn (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.