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

76°F

24°C

Humidity 52%
Wind Speed SW 18 mph
Barometer 30.27 in (1023.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Apr 10:53 am EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Today

    Today: Mostly cloudy, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 82. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 56. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 56 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm. Partly sunny, 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 65. North wind around 5 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 62. South wind around 5 mph.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 82. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 56. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Sunday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm. Partly sunny, 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 65. North wind around 5 mph.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 75.
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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:
7:06 am EDT Apr 3, 2026
Forecast Valid:
11am EDT Apr 3, 2026-6pm EDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation