Jonesborough, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jonesborough, a town in Washington County, Tennessee.
Overnight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Jonesborough
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Partly Cloudy | 5 to 10 mph SE | 4% |
| Wednesday | 70°F | Showers And Thunderstorms Likely | 5 to 15 mph SE | 70% |
| Wednesday Night | 59°F | Showers And Thunderstorms | 0 to 5 mph S | 89% |
| Thursday | 72°F | Chance Rain Showers | 0 to 5 mph W | 33% |
| Thursday Night | 52°F | Mostly Cloudy | 0 mph | 13% |
| Friday | 67°F | Mostly Sunny | 0 to 5 mph W | 13% |
| Friday Night | 43°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Saturday | 58°F | Mostly Sunny | 0 to 5 mph NW | 3% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 58°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph SW | 2% |
| Monday | 60°F | Sunny | 0 to 5 mph W | 3% |
| Monday Night | 33°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 63°F | Sunny | 0 to 5 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Jonesborough (36.296, -82.476). Updated through the day.
Growing snapshot for Jonesborough
Last spring frost
Apr 21
First fall frost
Oct 23
Growing season
183 days
Hardiness zone
7a
More local growing data for Jonesborough: nearby ZIP 37659 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Erwin 1 W, Tn (10.5 mi from Jonesborough). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.