Greenbrier, TN Weather & Growing Conditions
This Afternoon
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 102. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Sunny | 5 mph N | 8% |
| Tonight | 72°F | Mostly Clear | 0 to 5 mph E | 12% |
| Saturday | 98°F | Sunny | 0 to 5 mph WNW | 8% |
| Saturday Night | 73°F | Mostly Clear | 0 to 5 mph SSE | 5% |
| Sunday | 98°F | Mostly Sunny | 5 mph SW | 3% |
| Sunday Night | 73°F | Partly Cloudy | 5 mph SSW | 3% |
| Monday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph WSW | 19% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph NE | 46% |
| Tuesday | 86°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph N | 53% |
| Tuesday Night | 63°F | Chance Showers And Thunderstorms | 5 to 15 mph N | 53% |
| Wednesday | 81°F | Slight Chance Rain Showers | 5 to 10 mph N | 22% |
| Wednesday Night | 60°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph N | 20% |
| Thursday | 79°F | Mostly Sunny | 5 to 10 mph N | 9% |
| Thursday Night | 60°F | Partly Cloudy | 5 to 10 mph NNE | 9% |
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 Sep 19, 2026.