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

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

63°F

17°C

Humidity 77%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 30 Aug 1:55 am EDT
Extended Forecast for

Greeneville TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. Southeast wind around 5 mph.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Labor Day

    Labor Day: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. East wind around 5 mph becoming calm.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. Calm wind.
Saturday
Mostly sunny, with a high near 82. Calm wind.
Saturday Night
Mostly clear, with a low around 57. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Calm wind.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. Southeast wind around 5 mph.
Labor Day
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. East wind around 5 mph becoming calm.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 57. Calm wind.
Tuesday
A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 74.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 57.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Friday
A 10 percent chance of showers. Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.15°N 82.84°W (Elev. 1535 ft)
Last Update:
1:31 am EDT Aug 30, 2025
Forecast Valid:
2am EDT Aug 30, 2025-6pm EDT Sep 5, 2025
 
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