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.

63°F

17°C

Humidity 83%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Aug 3:55 am EDT
Extended Forecast for

Greeneville TN

  • Today

    Today: Sunny, with a high near 85. East wind around 5 mph becoming calm.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind becoming east around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 66. Southeast wind around 5 mph.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph.

    High: 85 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 85. East wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 63. Calm wind becoming east around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 66. Southeast wind around 5 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 65. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 66.
Monday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.15°N 82.81°W (Elev. 1499 ft)
Last Update:
2:26 am EDT Aug 25, 2026
Forecast Valid:
4am EDT Aug 25, 2026-6pm EDT Aug 31, 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