Jefferson City, TN Weather & Growing Conditions
This Afternoon
71°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 71, with temperatures falling to around 67 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Showers And Thunderstorms | 5 mph SE | 98% |
| Tonight | 60°F | Showers And Thunderstorms | 0 mph | 94% |
| Thursday | 70°F | Partly Sunny | 0 to 10 mph W | 7% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Friday | 68°F | Sunny | 0 to 5 mph NW | 2% |
| Friday Night | 44°F | Partly Cloudy | 0 to 5 mph NW | 1% |
| Saturday | 58°F | Mostly Sunny | 5 mph N | 1% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 60°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 34°F | Mostly Clear | 0 mph | 0% |
| Monday | 64°F | Mostly Sunny | 0 mph | 0% |
| Monday Night | 36°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 65°F | Mostly Sunny | 0 to 5 mph NW | 2% |
| Tuesday Night | 39°F | Partly Cloudy | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jefferson City, TN
Last spring frost
Apr 24
First fall frost
Oct 17
Growing season
175 days
Hardiness zone
7b
Explore more for Jefferson City, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Jefferson City, Tn (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.