Smyrna, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smyrna, a town in Rutherford County, Tennessee.
Tonight
73°F
Mostly Clear
Mostly clear, with a low around 73. North northeast wind 0 to 5 mph.
7-day forecast for Smyrna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Mostly Clear | 0 to 5 mph NNE | 9% |
| Saturday | 99°F | Sunny | 0 to 5 mph NW | 11% |
| Saturday Night | 73°F | Partly Cloudy | 5 mph S | 11% |
| Sunday | 99°F | Mostly Sunny | 5 mph SW | 4% |
| Sunday Night | 73°F | Partly Cloudy | 5 mph SSW | 4% |
| Monday | 97°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph WSW | 30% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 5 mph ESE | 50% |
| Tuesday | 90°F | Showers And Thunderstorms Likely | 0 to 10 mph WNW | 58% |
| Tuesday Night | 66°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 58% |
| Wednesday | 84°F | Chance Rain Showers | 5 to 10 mph N | 34% |
| Wednesday Night | 62°F | Slight Chance Rain Showers | 5 to 10 mph N | 24% |
| Thursday | 82°F | Mostly Sunny | 5 to 10 mph N | 12% |
| Thursday Night | 61°F | Partly Cloudy | 5 to 10 mph NNE | 7% |
| Friday | 82°F | Mostly Sunny | 5 to 10 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Smyrna (35.969, -86.529). Updated through the day.
Growing snapshot for Smyrna
Last spring frost
Apr 13
First fall frost
Oct 21
Growing season
189 days
Hardiness zone
7b
More local growing data for Smyrna: nearby ZIP 37167 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Smyrna 6S, Tn (3.9 mi from Smyrna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.