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

78°F

26°C

Humidity 32%
Wind Speed NE 10 mph
Barometer 29.95 in (1013.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Sep 4:53 pm EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Tonight

    Tonight: Mostly clear, with a low around 52. Northeast wind 5 to 10 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Northeast wind around 5 mph becoming calm.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. East wind around 5 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. East wind around 5 mph becoming calm in the morning.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Southeast wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 84. Northeast wind around 5 mph becoming calm.
Tuesday Night
Mostly clear, with a low around 56. East wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 87. East wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly clear, with a low around 61. Southeast wind around 5 mph.
Thursday
Sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 64. South wind around 5 mph.
Friday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 84.
Saturday Night
Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
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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 pm EDT Sep 28, 2026
Forecast Valid:
5pm EDT Sep 28, 2026-6pm EDT Oct 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation