Wynnburg, TN Weather & Growing Conditions
Overnight
73°F
Clear
Clear, with a low around 73. South wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Clear | 0 mph | 0% |
| Saturday | 99°F | Sunny | 0 to 5 mph WSW | 1% |
| Saturday Night | 72°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Sunday | 99°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Sunday Night | 71°F | Partly Cloudy | 0 to 5 mph ENE | 4% |
| Monday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph N | 16% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph NNE | 33% |
| Tuesday | 83°F | Partly Sunny | 10 to 15 mph N | 14% |
| Tuesday Night | 61°F | Partly Cloudy | 5 to 15 mph N | 12% |
| Wednesday | 81°F | Mostly Sunny | 10 to 15 mph N | 4% |
| Wednesday Night | 59°F | Mostly Clear | 5 to 10 mph NNE | 1% |
| Thursday | 82°F | Sunny | 5 to 10 mph NNE | 2% |
| Thursday Night | 60°F | Partly Cloudy | 5 to 10 mph NE | 3% |
| Friday | 82°F | Mostly Sunny | 5 to 15 mph NNE | 4% |
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 Sep 19, 2026.