National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

68°F

20°C

Humidity 90%
Wind Speed N 3 mph
Barometer 30.11 in (1018.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 3 Oct 11:53 pm EDT
Extended Forecast for

Lenoir City TN

  • Overnight

    Overnight: A slight chance of showers between 4am and 5am, then a slight chance of showers and thunderstorms after 5am. Cloudy, with a low around 67. Calm wind. Chance of precipitation is 10%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, with a high near 78. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 79. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Northeast wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Northeast wind around 5 mph becoming calm in the morning.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers between 4am and 5am, then a slight chance of showers and thunderstorms after 5am. Cloudy, with a low around 67. Calm wind. Chance of precipitation is 10%.
Sunday
Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, with a high near 78. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 62. Calm wind.
Monday
Sunny, with a high near 79. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 54. Northeast wind around 5 mph.
Tuesday
Sunny, with a high near 79. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 55. Calm wind.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 55.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lenoir City TN
 35.78°N 84.26°W (Elev. 801 ft)
Last Update:
7:06 pm EDT Oct 3, 2026
Forecast Valid:
12am EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation