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.

Mostly Cloudy

69°F

21°C

Humidity 51%
Wind Speed SW 7 mph
Barometer 30.05 in (1016.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 15 Apr 11:53 pm EDT
Extended Forecast for

4 Miles N Greenback TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. Southwest wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 49. Southwest wind around 10 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 59. South wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 49. Southwest wind around 10 mph becoming northwest after midnight. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greenback TN
 35.71°N 84.19°W (Elev. 1010 ft)
Last Update:
7:16 pm EDT Apr 15, 2026
Forecast Valid:
12am EDT Apr 16, 2026-6pm EDT Apr 22, 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