Jefferson City, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jefferson City, a city in Jefferson County, Tennessee.
Today
71°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 71, with temperatures falling to around 67 in the afternoon. South wind 0 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Jefferson City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Showers And Thunderstorms | 0 to 10 mph S | 81% |
| Tonight | 60°F | Showers And Thunderstorms | 0 mph | 86% |
| Thursday | 72°F | Slight Chance Rain Showers then Partly Sunny | 0 to 5 mph W | 21% |
| Thursday Night | 51°F | Partly Cloudy | 0 mph | 8% |
| Friday | 70°F | Sunny | 0 to 5 mph NW | 8% |
| Friday Night | 45°F | Partly Cloudy | 0 to 5 mph NW | 1% |
| Saturday | 60°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 36°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 61°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph N | 1% |
| Monday | 63°F | Sunny | 0 to 5 mph NW | 1% |
| Monday Night | 36°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 65°F | Sunny | 0 to 5 mph W | 2% |
| Tuesday Night | 38°F | Mostly Clear | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Jefferson City (36.121, -83.483). Updated through the day.
Growing snapshot for Jefferson City
Last spring frost
Apr 24
First fall frost
Oct 17
Growing season
175 days
Hardiness zone
7b
More local growing data for Jefferson City: nearby ZIP 37760 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Jefferson City, Tn (1.3 mi from Jefferson City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.