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

50°F

10°C

Humidity 83%
Wind Speed N 8 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 27 Feb 10:53 am EST
Extended Forecast for

Louisville TN

  • Today

    Today: Sunny, with a high near 63. Northeast wind around 5 mph becoming calm.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 68. Calm wind.

    High: 68 °F

    Becoming
    Sunny

  • Saturday Night

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

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Calm wind becoming northwest around 5 mph in the morning.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 43. Northeast wind around 5 mph.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers. Cloudy, with a high near 61. Northeast wind around 5 mph becoming west in the afternoon.

    High: 61 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers. Partly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 63. Northeast wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 39. Calm wind.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 68. Calm wind.
Saturday Night
Mostly clear, with a low around 44. Calm wind.
Sunday
Mostly sunny, with a high near 68. Calm wind becoming northwest around 5 mph in the morning.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 43. Northeast wind around 5 mph.
Monday
A 40 percent chance of showers. Cloudy, with a high near 61. Northeast wind around 5 mph becoming west in the afternoon.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 44.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 64.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 71.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 52.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 75.
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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:
6:06 am EST Feb 27, 2026
Forecast Valid:
11am EST Feb 27, 2026-6pm EST Mar 5, 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