Loudon, TN Weather & Growing Conditions
Tonight
62°F
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 62. Southeast wind 0 to 5 mph, with gusts as high as 20 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 |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SE | 21% |
| Wednesday | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 10 mph S | 93% |
| Wednesday Night | 60°F | Showers And Thunderstorms | 0 to 10 mph SW | 81% |
| Thursday | 73°F | Slight Chance Rain Showers | 0 to 5 mph W | 16% |
| Thursday Night | 50°F | Mostly Cloudy | 0 mph | 8% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NW | 6% |
| Friday Night | 44°F | Partly Cloudy | 0 to 5 mph NW | 3% |
| Saturday | 64°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Saturday Night | 38°F | Mostly Cloudy | 0 to 5 mph N | 1% |
| Sunday | 63°F | Partly Sunny | 0 to 5 mph N | 5% |
| Sunday Night | 36°F | Partly Cloudy | 0 to 5 mph NW | 8% |
| Monday | 63°F | Mostly Sunny | 0 to 5 mph NW | 8% |
| Monday Night | 35°F | Mostly Clear | 0 to 5 mph NW | 4% |
| Tuesday | 66°F | Mostly Sunny | 0 to 5 mph W | 0% |
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 Nov 4, 2026.