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

79°F

26°C

Humidity 67%
Wind Speed SW 12 mph
Barometer 30.14 in (1019.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 15 Oct 10:53 am EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Today

    Today: Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Southwest wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 82 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 49. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers before 8am. Partly sunny, with a high near 59. Breezy, with a north wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 59 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Northeast wind 5 to 10 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 66. Southwest wind around 5 mph.
Friday
Sunny, with a high near 82. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A 50 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 49. North wind around 10 mph, with gusts as high as 20 mph.
Saturday
A 10 percent chance of showers before 8am. Partly sunny, with a high near 59. Breezy, with a north wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 40. Northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 64. Northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.8°N 83.96°W (Elev. 856 ft)
Last Update:
7:05 am EDT Oct 15, 2026
Forecast Valid:
11am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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