Jonesborough, TN Weather & Growing Conditions
Overnight
57°F
Mostly Cloudy
Mostly cloudy. Low around 57, with temperatures rising to around 60 overnight. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Cloudy | 10 to 15 mph SE | 4% |
| Wednesday | 70°F | Showers And Thunderstorms Likely | 10 to 15 mph SE | 70% |
| Wednesday Night | 60°F | Showers And Thunderstorms | 0 to 10 mph S | 88% |
| Thursday | 71°F | Chance Rain Showers | 0 to 5 mph W | 33% |
| Thursday Night | 53°F | Mostly Cloudy | 0 mph | 13% |
| Friday | 67°F | Mostly Sunny | 0 to 5 mph W | 13% |
| Friday Night | 44°F | Partly Cloudy | 0 to 5 mph W | 3% |
| Saturday | 57°F | Mostly Sunny | 0 to 5 mph NW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 58°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph SW | 2% |
| Monday | 59°F | Sunny | 0 to 5 mph W | 3% |
| Monday Night | 35°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 63°F | Sunny | 0 to 5 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jonesborough, TN
Last spring frost
Apr 21
First fall frost
Oct 23
Growing season
183 days
Hardiness zone
7a
Explore more for Jonesborough, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Erwin 1 W, Tn (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.