Smyrna, TN Weather & Growing Conditions
Overnight
63°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 63. South wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Showers And Thunderstorms | 20 mph S | 94% |
| Wednesday | 75°F | Showers And Thunderstorms | 5 to 20 mph SSW | 97% |
| Wednesday Night | 48°F | Partly Cloudy then Patchy Fog | 0 to 5 mph W | 1% |
| 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 | 39°F | Partly Cloudy | 5 to 10 mph NNW | 0% |
| Saturday | 61°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 32°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 | 70°F | Sunny | 0 to 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smyrna, TN
Last spring frost
Apr 13
First fall frost
Oct 21
Growing season
189 days
Hardiness zone
7b
Explore more for Smyrna, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Smyrna 6S, Tn (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.