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.

Partly Cloudy

70°F

21°C

Humidity 93%
Wind Speed NW 6 mph
Barometer 30.10 in (1018.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 15 Oct 3:53 am EDT
Extended Forecast for

Louisville TN

  • Today

    Today: Sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. Southwest wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: A 10 percent chance of showers after 4pm. Sunny, with a high near 81. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 49. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 59. North wind around 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Northeast wind around 5 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 65. Southwest wind around 5 mph.
Friday
A 10 percent chance of showers after 4pm. Sunny, with a high near 81. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 40 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 49. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 59. North wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 40. Northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 64. Northeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.04°W (Elev. 863 ft)
Last Update:
2:26 am EDT Oct 15, 2026
Forecast Valid:
4am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation