Gainesboro, TN Weather & Growing Conditions
Today
97°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny. High near 97, with temperatures falling to around 92 in the afternoon. Heat index values as high as 103. West northwest wind around 0 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 | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 20% |
| Tonight | 71°F | Mostly Clear | 0 to 5 mph SSE | 8% |
| Sunday | 95°F | Sunny | 0 to 5 mph SW | 11% |
| Sunday Night | 70°F | Partly Cloudy | 0 mph | 9% |
| Monday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph WSW | 35% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph ENE | 56% |
| Tuesday | 86°F | Showers And Thunderstorms Likely | 0 to 5 mph NNW | 68% |
| Tuesday Night | 63°F | Showers And Thunderstorms Likely | 0 to 5 mph NNE | 68% |
| Wednesday | 80°F | Rain Showers Likely | 0 to 5 mph NW | 55% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms | 0 mph | 54% |
| Thursday | 79°F | Slight Chance Rain Showers | 0 to 5 mph N | 20% |
| Thursday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph NNE | 20% |
| Friday | 79°F | Mostly Sunny | 0 to 5 mph NNE | 6% |
| Friday Night | 56°F | Partly Cloudy | 0 to 5 mph NNE | 6% |
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
7a
Explore more for Gainesboro, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Gainesboro, Tn (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.