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
93°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Heat index values as high as 101. Northeast wind around 0 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lenoir City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 22% |
| Tonight | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 23% |
| Sunday | 92°F | Mostly Sunny | 0 to 5 mph SW | 13% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 24% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 32% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 67% |
| Tuesday | 85°F | Showers And Thunderstorms | 0 mph | 85% |
| Tuesday Night | 65°F | Showers And Thunderstorms | 0 mph | 85% |
| Wednesday | 80°F | Showers And Thunderstorms | 0 mph | 79% |
| Wednesday Night | 62°F | Showers And Thunderstorms | 0 mph | 79% |
| Thursday | 78°F | Chance Rain Showers | 0 to 5 mph NW | 35% |
| Thursday Night | 59°F | Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 26% |
| Friday | 78°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph NE | 18% |
| Friday Night | 57°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph NE | 18% |
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 Sep 19, 2026.