Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

72°F

22°C

Humidity 73%
Wind Speed Calm
Barometer 30.13 in (1019.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 May 2:53 am EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Overnight

    Overnight: Partly cloudy, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Increasing clouds, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers after 5am.  Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm.  Mostly cloudy, with a high near 82. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Some of the storms could produce heavy rainfall.  Low around 65. Southeast wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 90%.

    Low: 65 °F

    Heavy Rain

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 11am.  High near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.  Chance of precipitation is 90%.

    High: 84 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 66. South wind 5 to 10 mph.  Chance of precipitation is 90%.

    Low: 66 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 82. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 67. South wind around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 82. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Some of the storms could produce heavy rainfall. Low around 65. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 90%.
Friday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 66. South wind 5 to 10 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Sunday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Memorial Day
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
2:26 am EDT May 20, 2026
3am EDT May 20, 2026-6pm EDT May 26, 2026
 
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