Smithville, TN Weather & Growing Conditions
Tonight
60°F
Chance Rain Showers then Chance Showers And Thunderstorms
A chance of rain showers between 10pm and midnight, then a chance of showers and thunderstorms between midnight and 3am, then showers and thunderstorms. Mostly cloudy, with a low around 60. South southeast wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Chance Rain Showers then Chance Showers And Thunderstorms | 15 mph SSE | 82% |
| Wednesday | 73°F | Showers And Thunderstorms | 5 to 20 mph SSW | 94% |
| Wednesday Night | 48°F | Areas Of Fog | 0 to 5 mph W | 12% |
| Thursday | 72°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph WSW | 0% |
| Thursday Night | 41°F | Areas Of Fog | 0 mph | 0% |
| Friday | 69°F | Areas Of Fog then Mostly Sunny | 0 to 10 mph NNW | 2% |
| Friday Night | 36°F | Partly Cloudy | 0 to 5 mph NNW | 2% |
| Saturday | 61°F | Mostly Sunny | 0 to 10 mph NNW | 0% |
| Saturday Night | 30°F | Mostly Cloudy | 0 to 5 mph N | 1% |
| Sunday | 62°F | Mostly Sunny | 0 to 10 mph NNW | 8% |
| Sunday Night | 28°F | Mostly Clear | 0 mph | 10% |
| Monday | 64°F | Sunny | 0 to 5 mph NW | 5% |
| Monday Night | 30°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 67°F | Sunny | 0 to 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smithville, TN
Last spring frost
Apr 18
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
7b
Explore more for Smithville, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Smithville 2 Se, Tn (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.