Smyrna, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smyrna, a town in Rutherford County, Tennessee.
Today
72°F
Showers And Thunderstorms
Showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Cloudy. High near 72, with temperatures falling to around 68 in the afternoon. South southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Smyrna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Showers And Thunderstorms | 5 to 15 mph SSW | 100% |
| Tonight | 47°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph W | 0% |
| Thursday | 73°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph WSW | 0% |
| Thursday Night | 44°F | Areas Of Fog | 0 mph | 0% |
| Friday | 70°F | Areas Of Fog then Mostly Sunny | 0 to 10 mph NNW | 1% |
| Friday Night | 40°F | Partly Cloudy | 5 to 10 mph NNW | 0% |
| Saturday | 61°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 60°F | Mostly Sunny | 0 to 10 mph N | 1% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 64°F | Sunny | 0 to 5 mph NNW | 0% |
| Monday Night | 33°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 69°F | Sunny | 0 to 5 mph WSW | 1% |
| Tuesday Night | 36°F | Mostly Clear | 0 mph | 0% |
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 Nov 4, 2026.