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.

A Few Clouds

58°F

14°C

Humidity 56%
Wind Speed N 5 mph
Barometer 30.15 in (1020.5 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 May 9:53 am EDT
Extended Forecast for

2 Miles SSW Louisville TN

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming southwest around 5 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Calm wind becoming southwest around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 90 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 91. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming southwest around 5 mph.
Tonight
Partly cloudy, with a low around 55. Calm wind becoming southwest around 5 mph.
Saturday
Mostly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny and hot, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 66. South wind around 5 mph.
Monday
Sunny and hot, with a high near 91. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Mostly sunny and hot, with a high near 92.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Louisville TN
 35.79°N 84.07°W (Elev. 899 ft)
Last Update:
7:06 am EDT May 15, 2026
Forecast Valid:
10am EDT May 15, 2026-6pm EDT May 21, 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