Gainesboro, TN Weather & Growing Conditions
Today
89°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 89. Heat index values as high as 98. North northeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 16% |
| Tonight | 69°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 0 mph | 19% |
| Wednesday | 88°F | Chance Showers And Thunderstorms | 0 mph | 52% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Patchy Fog | 0 mph | 35% |
| Thursday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 32% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 32% |
| Friday | 90°F | Chance Showers And Thunderstorms | 5 mph SSW | 42% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 59% |
| Saturday Night | 70°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 59% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 0 mph | 36% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 36% |
| Monday | 90°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 27% |
| Monday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gainesboro, TN
Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
183 days
Hardiness zone
7b
Explore more for Gainesboro, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Gainesboro, Tn (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.