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.

Fair

53°F

12°C

Humidity 83%
Wind Speed Calm
Barometer 30.08 in (1017.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 23 Apr 5:53 am EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Today

    Today: Sunny, with a high near 83. Light southwest wind becoming west 5 to 10 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 60. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 77. Southwest wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 56. Northeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. North wind around 5 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 83. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 83. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 60. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. High near 77. Southwest wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 56. Northeast wind around 5 mph. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. North wind around 5 mph.
Sunday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 20%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Monday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms. High near 79. Chance of precipitation is 80%.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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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 am EDT Apr 23, 2026
Forecast Valid:
6am EDT Apr 23, 2026-6pm EDT Apr 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation