National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

69°F

21°C

Humidity 84%
Wind Speed NE 3 mph
Barometer 30.19 in (1021.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Sep 6:53 am EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Today

    Today: Sunny and hot, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 94 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind around 5 mph becoming northwest after midnight.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Calm wind becoming north around 5 mph in the afternoon.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 94. Calm wind becoming north around 5 mph in the afternoon.

    High: 94 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Light north wind becoming northeast 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 69. South wind around 5 mph becoming northwest after midnight.
Wednesday
Sunny and hot, with a high near 93. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 94. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Light north wind becoming northeast 5 to 10 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.
Saturday
Mostly sunny and hot, with a high near 93.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
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Forecast Area
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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:
7:06 am EDT Sep 15, 2026
Forecast Valid:
7am EDT Sep 15, 2026-6pm EDT Sep 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation