Greenbrier, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenbrier, a town in Robertson County, Tennessee.
Overnight
72°F
Mostly Clear
Mostly clear, with a low around 72. East southeast wind around 0 mph.
7-day forecast for Greenbrier
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Mostly Clear | 0 mph | 2% |
| Saturday | 98°F | Sunny | 0 to 5 mph WSW | 8% |
| Saturday Night | 72°F | Mostly Clear | 0 to 5 mph SSE | 4% |
| Sunday | 97°F | Sunny | 5 mph SW | 3% |
| Sunday Night | 72°F | Partly Cloudy | 0 to 5 mph SSW | 3% |
| Monday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph WSW | 18% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph NNE | 48% |
| Tuesday | 85°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph N | 45% |
| Tuesday Night | 63°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 45% |
| 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 | 21% |
| Thursday | 80°F | Mostly Sunny | 5 to 10 mph N | 9% |
| Thursday Night | 60°F | Partly Cloudy | 5 to 10 mph NNE | 9% |
| Friday | 80°F | Mostly Sunny | 5 to 10 mph NNE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Greenbrier (36.422, -86.790). Updated through the day.
Growing snapshot for Greenbrier
Last spring frost
Apr 9
First fall frost
Oct 28
Growing season
201 days
Hardiness zone
7a
More local growing data for Greenbrier: nearby ZIP 37073 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Springfield Exp Stn, Tn (3 mi from Greenbrier). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.