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

53°F

12°C

Humidity 57%
Wind Speed N 3 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 27 Feb 8:53 pm EST
Extended Forecast for

Louisville TN

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 68. Calm wind.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 68. Calm wind becoming west around 5 mph in the morning.

    High: 68 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 44. Northeast wind around 5 mph.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers. Cloudy, with a high near 58. Northeast wind around 5 mph.

    High: 58 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. East wind around 5 mph becoming south after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 38. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 68. Calm wind.
Saturday Night
Mostly clear, with a low around 44. Calm wind.
Sunday
Increasing clouds, with a high near 68. Calm wind becoming west around 5 mph in the morning.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 44. Northeast wind around 5 mph.
Monday
A 20 percent chance of showers. Cloudy, with a high near 58. Northeast wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 44. East wind around 5 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 73.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 56.
Friday
A 50 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
 35.81°N 84.04°W (Elev. 850 ft)
Last Update:
6:21 pm EST Feb 27, 2026
Forecast Valid:
9pm EST Feb 27, 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