Johnson City, TN Weather & Growing Conditions
Overnight
65°F
Areas Of Fog
Areas of fog. Partly cloudy, with a low around 65. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Areas Of Fog | 0 mph | 2% |
| Saturday | 89°F | Areas Of Fog then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 21% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 23% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 29% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 0 mph | 43% |
| Monday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 52% |
| Monday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph E | 60% |
| Tuesday | 82°F | Showers And Thunderstorms | 0 to 5 mph S | 85% |
| Tuesday Night | 61°F | Showers And Thunderstorms | 5 mph SE | 85% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 5 mph SE | 62% |
| Wednesday Night | 58°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 62% |
| Thursday | 76°F | Chance Rain Showers | 0 to 5 mph NE | 41% |
| Thursday Night | 56°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 41% |
| Friday | 75°F | Slight Chance Rain Showers | 0 to 5 mph NE | 23% |
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 (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.