Wynnburg, TN Weather & Growing Conditions
Tonight
57°F
Showers And Thunderstorms
Showers and thunderstorms before 2am. Mostly cloudy, with a low around 57. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Showers And Thunderstorms | 5 to 15 mph SSW | 100% |
| Wednesday | 69°F | Mostly Sunny | 5 to 10 mph WSW | 3% |
| Wednesday Night | 45°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Thursday | 70°F | Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 47°F | Partly Cloudy | 0 mph | 1% |
| Friday | 65°F | Partly Sunny | 5 to 10 mph NNW | 2% |
| Friday Night | 41°F | Partly Cloudy | 5 to 10 mph N | 1% |
| Saturday | 61°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph NNW | 1% |
| Sunday | 63°F | Sunny | 0 to 10 mph NW | 5% |
| Sunday Night | 37°F | Mostly Clear | 0 to 5 mph WNW | 4% |
| Monday | 66°F | Sunny | 0 to 10 mph W | 1% |
| Monday Night | 39°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Tuesday | 70°F | Sunny | 0 to 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wynnburg, TN
Last spring frost
Apr 3
First fall frost
Nov 1
Growing season
211 days
Hardiness zone
7b
Explore more for Wynnburg, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Samburg Wr, Tn (12.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.