Lenoir City, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lenoir City, a city in Loudon County, Tennessee.
Today
88°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 88, with temperatures falling to around 85 in the afternoon. Heat index values as high as 95. North wind around 0 mph. Chance of precipitation is 30%.
7-day forecast for Lenoir City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 34% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 29% |
| Wednesday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 54% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 52% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 50% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 50% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 39% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 39% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 47% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 47% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 0 mph | 36% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 36% |
| Monday | 88°F | Chance Showers And Thunderstorms | 0 mph | 39% |
| Monday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 39% |
Forecast source: National Weather Service (api.weather.gov) for Lenoir City (35.816, -84.283). Updated through the day.
Growing snapshot for Lenoir City
Last spring frost
Apr 5
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
7b
More local growing data for Lenoir City: nearby ZIP 37771 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lenoir City, Tn (4.7 mi from Lenoir City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.