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

54°F

12°C

Humidity 55%
Wind Speed Calm
Barometer 30.08 in (1018.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 28 Feb 10:53 pm EST
Extended Forecast for

Louisville TN

  • Tonight

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

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Calm wind becoming north around 5 mph in the morning.

    High: 69 °F

    Mostly Sunny

  • 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 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 62. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 62 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47. South wind around 5 mph.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 69. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 69 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. South wind 5 to 10 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Calm wind.
Sunday
Mostly sunny, with a high near 69. Calm wind becoming north 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 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 62. Northeast wind around 5 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 47. South wind around 5 mph.
Tuesday
Partly sunny, with a high near 69. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 49. South wind 5 to 10 mph.
Wednesday
Mostly cloudy, with a high near 75.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 76.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 77.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 59.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.81°N 84.04°W (Elev. 850 ft)
Last Update:
6:26 pm EST Feb 28, 2026
Forecast Valid:
11pm EST Feb 28, 2026-6pm EST Mar 7, 2026
 
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Additional Resources

Radar & Satellite Image

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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