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

55°F

13°C

Humidity 37%
Wind Speed N 9 G 20 mph
Barometer 30.24 in (1023.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 19 Apr 12:53 pm EDT
Extended Forecast for

Louisville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. North wind around 10 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. West wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the morning.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. North wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. Southwest wind around 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81. West wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 64. North wind around 10 mph.
Tonight
Mostly clear, with a low around 42. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 42. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 51. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 81. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 83.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.83°N 84.04°W (Elev. 863 ft)
Last Update:
1:06 pm EDT Apr 19, 2026
Forecast Valid:
1pm EDT Apr 19, 2026-6pm EDT Apr 25, 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