Waynesboro, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waynesboro, a city in Wayne County, Tennessee.
This Afternoon
99°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny, with a high near 99. Heat index values as high as 99. Northwest wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for Waynesboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 16% |
| Tonight | 72°F | Mostly Clear | 0 mph | 9% |
| Sunday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph WSW | 18% |
| Sunday Night | 72°F | Partly Cloudy | 0 mph | 9% |
| Monday | 96°F | Mostly Sunny | 0 to 5 mph SW | 13% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Tuesday | 92°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph NE | 36% |
| Tuesday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 36% |
| Wednesday | 85°F | Mostly Sunny | 0 to 5 mph NNW | 14% |
| Wednesday Night | 61°F | Mostly Clear | 0 to 5 mph N | 14% |
| Thursday | 84°F | Mostly Sunny | 0 to 5 mph NNE | 5% |
| Thursday Night | 60°F | Partly Cloudy | 0 to 5 mph NNE | 5% |
| Friday | 84°F | Mostly Sunny | 0 to 5 mph NNE | 2% |
| Friday Night | 59°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Waynesboro (35.324, -87.759). Updated through the day.
Growing snapshot for Waynesboro
Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
7b
More local growing data for Waynesboro: nearby ZIP 38485 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Waynesboro, Tn (3.9 mi from Waynesboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.