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.

Partly Cloudy

66°F

19°C

Humidity 70%
Wind Speed SW 3 mph
Barometer 30.16 in (1020.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 7 Mar 1:53 am EST
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 80. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 60. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers

  • Sunday

    Sunday: Showers likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. Mostly cloudy, with a high near 72. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm.

    Low: 54 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 77. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. Southwest wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 80. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 60. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. Mostly cloudy, with a high near 72. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Sunday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm.
Monday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 77. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 63.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 80. Breezy. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 46. Chance of precipitation is 80%.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 38.
Friday
Partly sunny, with a high near 65.
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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 Mar 7, 2026
Forecast Valid:
1am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation