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

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

79°F

26°C

Humidity 48%
Wind Speed NW 5 mph
Barometer 30.09 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Apr 12:55 pm EDT
Extended Forecast for

Knoxville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 86. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 49. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    Low: 49 °F

    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 64. North wind around 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Calm wind.
Tonight
Mostly clear, with a low around 61. Calm wind.
Saturday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 86. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
A slight chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 49. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Sunday
A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 64. North wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 70. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 45.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.96°N 83.94°W (Elev. 899 ft)
Last Update:
7:06 am EDT Apr 17, 2026
Forecast Valid:
1pm EDT Apr 17, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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