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

67°F

19°C

Humidity 57%
Wind Speed NE 3 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 26 Apr 9:53 pm EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Northeast wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 57. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Partly Cloudy
    then Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 11am, then showers likely between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 61. South wind 5 to 10 mph. Chance of precipitation is 90%.

    Low: 61 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 75. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    High: 75 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 52. North wind around 5 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Northeast wind around 5 mph.
Monday
Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 57. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 11am, then showers likely between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 61. South wind 5 to 10 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 75. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 52. North wind around 5 mph. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 46.
Friday
A 30 percent chance of showers, mainly after 2pm. Mostly sunny, with a high near 70.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 70.
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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 pm EDT Apr 26, 2026
Forecast Valid:
10pm EDT Apr 26, 2026-6pm EDT May 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation