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.

Mostly Cloudy

40°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 30.13 in (1020.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 17 Feb 3:53 am EST
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Today

    Today: Increasing clouds, with a high near 67. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 67 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 66 °F

    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers after 1am. Cloudy, with a low around 56. Southwest wind 5 to 10 mph.

    Low: 56 °F

    Cloudy then
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 72. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 70. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly sunny, with a high near 60.

    High: 60 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 67. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 52. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Cloudy, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 50 percent chance of showers after 1am. Cloudy, with a low around 56. Southwest wind 5 to 10 mph.
Thursday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 72. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 70. West wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Saturday
A 50 percent chance of showers. Mostly sunny, with a high near 60.
Saturday Night
A 40 percent chance of showers. Partly cloudy, with a low around 36.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 43.
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Forecast Area
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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:
1:26 am EST Feb 17, 2026
Forecast Valid:
4am EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation