Greenbrier, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenbrier, a town in Robertson County, Tennessee.
Today
87°F
Sunny
Sunny, with a high near 87. North northeast wind 5 to 10 mph.
7-day forecast for Greenbrier
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 5 to 10 mph NNE | 3% |
| Tonight | 69°F | Mostly Clear then Patchy Fog | 0 to 5 mph NNE | 2% |
| Wednesday | 89°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNW | 20% |
| Wednesday Night | 70°F | Partly Cloudy | 0 to 5 mph SE | 10% |
| Thursday | 91°F | Sunny | 5 mph SSW | 13% |
| Thursday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSE | 23% |
| Friday | 91°F | Chance Showers And Thunderstorms | 5 mph SSW | 34% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 5 mph SSW | 34% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 5 mph SSW | 46% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 5 mph S | 46% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 5 mph SSW | 31% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 31% |
| Monday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 18% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 18% |
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 Aug 4, 2026.