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.

Overcast

74°F

23°C

Humidity 79%
Wind Speed NW 5 mph
Barometer 30.09 in (1017.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 4 Oct 4:53 pm EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Calm wind.

    High: 78 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Patchy fog between 10pm and 1am. Otherwise, cloudy, with a low around 60. Calm wind becoming north around 5 mph after midnight.

    Low: 60 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 80. Northeast wind 10 to 15 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Northeast wind 5 to 10 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Northeast wind around 5 mph becoming calm in the morning.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming west around 5 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Calm wind.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Patchy fog between 10pm and 1am. Otherwise, cloudy, with a low around 60. Calm wind becoming north around 5 mph after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 80. Northeast wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 53. Northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 81. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 53. Calm wind.
Wednesday
Sunny, with a high near 82. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 55.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 81.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Sunday
Showers likely. Mostly cloudy, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.8°N 83.98°W (Elev. 955 ft)
Last Update:
2:26 pm EDT Oct 4, 2026
Forecast Valid:
5pm EDT Oct 4, 2026-6pm EDT Oct 11, 2026
 
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