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

84°F

29°C

Humidity 55%
Wind Speed W 3 mph
Barometer 30.10 in (1018.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 14 Oct 1:53 pm EDT
Extended Forecast for

Knoxville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Southwest wind around 5 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Calm wind becoming southwest around 5 mph after midnight.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Sunny, with a high near 82. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 49. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 60. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 60 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 63. Calm wind.
Thursday
Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 64. Calm wind becoming southwest around 5 mph after midnight.
Friday
A 30 percent chance of showers after 2pm. Sunny, with a high near 82. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 40 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 49. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 60. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.98°N 83.94°W (Elev. 942 ft)
Last Update:
2:26 pm EDT Oct 14, 2026
Forecast Valid:
2pm EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation