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

82°F

28°C

Humidity 40%
Wind Speed W 10 G 26 mph
Barometer 30.21 in (1022.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 3 Apr 2:53 pm EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 83. Southwest wind around 15 mph.

    High: 83 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 7pm and 8pm, then showers and possibly a thunderstorm after 8pm. Low around 55. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 55 °F

    Showers

  • Sunday

    Sunday: Showers likely before 2pm. Mostly cloudy, with a high near 67. Northwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. North wind 5 to 10 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 67. Northeast wind around 5 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 83. Southwest wind around 15 mph.
Tonight
Partly cloudy, with a low around 61. South wind around 5 mph.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers and thunderstorms between 7pm and 8pm, then showers and possibly a thunderstorm after 8pm. Low around 55. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Sunday
Showers likely before 2pm. Mostly cloudy, with a high near 67. Northwest wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 43. North wind 5 to 10 mph.
Monday
Sunny, with a high near 67. Northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
Last Update:
2:26 pm EDT Apr 3, 2026
Forecast Valid:
3pm EDT Apr 3, 2026-6pm EDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation