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

67°F

19°C

Humidity 84%
Wind Speed Calm
Barometer 30.12 in (1018.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 May 5:53 am EDT
Extended Forecast for

7 Miles E Greenback TN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 66. North wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 82. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 66. East wind around 5 mph becoming calm. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 84. Light southeast wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 67. South wind around 5 mph. Chance of precipitation is 90%.

    Low: 67 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 8am. High near 84. Chance of precipitation is 90%.

    High: 84 °F

    Showers

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 66. North wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 82. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 66. East wind around 5 mph becoming calm. Chance of precipitation is 80%.
Friday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 84. Light southeast wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 67. South wind around 5 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Sunday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 84. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 67. Chance of precipitation is 80%.
Memorial Day
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Greenback TN
 35.65°N 84.06°W (Elev. 928 ft)
Last Update:
2:26 am EDT May 20, 2026
Forecast Valid:
6am EDT May 20, 2026-6pm EDT May 26, 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