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.

Fair

40°F

4°C

Humidity 89%
Wind Speed Calm
Barometer 30.05 in (1017.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 28 Feb 4:53 am EST
Extended Forecast for

Louisville TN

  • Today

    Today: Sunny, with a high near 68. Calm wind.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Southwest wind around 5 mph becoming north in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 42. North wind around 5 mph.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers. Cloudy, with a high near 57. Northeast wind around 5 mph.

    High: 57 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. East wind around 5 mph becoming south after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 68. Calm wind.
Tonight
Mostly clear, with a low around 45. Calm wind.
Sunday
Mostly sunny, with a high near 68. Southwest wind around 5 mph becoming north in the afternoon.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 42. North wind around 5 mph.
Monday
A 40 percent chance of showers. Cloudy, with a high near 57. Northeast wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 45. East wind around 5 mph becoming south after midnight.
Tuesday
Partly sunny, with a high near 68. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Mostly cloudy, with a high near 73.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Friday
A 40 percent chance of showers. Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.04°W (Elev. 863 ft)
Last Update:
1:26 am EST Feb 28, 2026
Forecast Valid:
5am EST Feb 28, 2026-6pm EST Mar 6, 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