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.

A Few Clouds

70°F

21°C

Humidity 43%
Wind Speed Vrbl 3 mph
Barometer 30.10 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 23 May 4:15 pm EDT
Extended Forecast for

Knoxville TN

  • Tonight

    Tonight: Mostly clear, with a low around 50. West wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of rain, mainly between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 71. Calm wind. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then a chance of rain after 10pm. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 40%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Chance Rain

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 2pm. High near 71. Calm wind becoming northeast around 5 mph. Chance of precipitation is 80%.

    High: 71 °F

    Rain

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Cloudy, with a low around 58. Northeast wind around 5 mph. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    T-storms then
    Chance Rain

  • Memorial Day

    Memorial Day: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. Northeast wind around 5 mph. Chance of precipitation is 60%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 63. Northeast wind around 5 mph becoming calm. Chance of precipitation is 90%.

    Low: 63 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 74. Chance of precipitation is 90%.

    High: 74 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 50. West wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of rain, mainly between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 71. Calm wind. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of rain after 10pm. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 40%.
Sunday
Rain, with thunderstorms also possible after 2pm. High near 71. Calm wind becoming northeast around 5 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Cloudy, with a low around 58. Northeast wind around 5 mph. Chance of precipitation is 50%.
Memorial Day
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. Northeast wind around 5 mph. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 63. Northeast wind around 5 mph becoming calm. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 74. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.96°N 83.94°W (Elev. 899 ft)
Last Update:
3:17 pm EDT May 23, 2025
Forecast Valid:
4pm EDT May 23, 2025-6pm EDT May 30, 2025
 
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