Loudon, TN Weather & Growing Conditions
This Afternoon
94°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. 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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 94°F | Slight Chance Showers And Thunderstorms | 0 mph | 21% |
| Tonight | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 23% |
| Sunday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 15% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 mph | 26% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 33% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 67% |
| Tuesday | 86°F | Showers And Thunderstorms | 0 mph | 84% |
| Tuesday Night | 64°F | Showers And Thunderstorms | 0 mph | 84% |
| Wednesday | 81°F | Showers And Thunderstorms | 0 mph | 78% |
| Wednesday Night | 62°F | Showers And Thunderstorms | 0 mph | 78% |
| Thursday | 79°F | Chance Rain Showers | 0 to 5 mph NW | 32% |
| Thursday Night | 59°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 24% |
| Friday | 78°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph N | 17% |
| Friday Night | 57°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Loudon, TN
Last spring frost
Apr 5
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
7b
Explore more for Loudon, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Lenoir City, Tn (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.