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

73°F

23°C

Humidity 81%
Wind Speed N 3 mph
Barometer 30.08 in (1017.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 4 Oct 5:53 pm EDT
Extended Forecast for

Louisville TN

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 61. Calm wind becoming north around 5 mph after midnight.

    Low: 61 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Northeast wind 5 to 10 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Northeast wind around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Northeast wind around 5 mph becoming calm in the morning.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 61. Calm wind becoming north around 5 mph after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 55. Northeast wind around 5 mph.
Tuesday
Sunny, with a high near 80. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 56. Calm wind.
Wednesday
Sunny, with a high near 82. Calm wind.
Wednesday Night
Mostly clear, with a low around 56. Calm wind.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 80.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Sunday
Showers likely. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.07°W (Elev. 814 ft)
Last Update:
2:26 pm EDT Oct 4, 2026
Forecast Valid:
6pm EDT Oct 4, 2026-6pm EDT Oct 11, 2026
 
Forecast Discussion
 
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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