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

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Overcast

75°F

24°C

Humidity 74%
Wind Speed W 3 mph
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 11 Sep 1:55 am EDT
Extended Forecast for

Greeneville TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. East wind around 5 mph becoming calm.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Calm wind becoming west around 5 mph. Chance of precipitation is 80%.

    High: 86 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 66. Calm wind. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 65. Calm wind. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. Calm wind.
Friday
Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 67. East wind around 5 mph becoming calm.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Calm wind becoming west around 5 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 66. Calm wind. Chance of precipitation is 80%.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 65. Calm wind. Chance of precipitation is 30%.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88.
Wednesday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 65.
Thursday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.15°N 82.81°W (Elev. 1499 ft)
Last Update:
1:06 am EDT Sep 11, 2026
Forecast Valid:
2am EDT Sep 11, 2026-6pm EDT Sep 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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