Johnson City, TN Weather & Growing Conditions
This Afternoon
70°F
Showers And Thunderstorms Likely
A chance of rain showers before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 70. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Showers And Thunderstorms Likely | 10 to 15 mph S | 66% |
| Tonight | 61°F | Showers And Thunderstorms | 0 to 10 mph S | 92% |
| Thursday | 73°F | Chance Rain Showers | 0 to 5 mph W | 31% |
| Thursday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 0 mph | 16% |
| Friday | 68°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NW | 16% |
| Friday Night | 46°F | Partly Cloudy | 0 to 5 mph W | 5% |
| Saturday | 58°F | Mostly Sunny | 0 to 5 mph NW | 5% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Sunday | 59°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph W | 2% |
| Monday | 60°F | Sunny | 0 to 5 mph W | 4% |
| Monday Night | 36°F | Mostly Clear | 0 mph | 4% |
| Tuesday | 64°F | Sunny | 0 to 5 mph W | 2% |
| Tuesday Night | 39°F | Mostly Clear | 0 to 5 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Johnson City, TN
Last spring frost
Apr 19
First fall frost
Oct 24
Growing season
187 days
Hardiness zone
7b
Explore more for Johnson City, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Elizabethton, Tn (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.