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

21°C

70°F

Humidity 64%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 14°C (57°F)
Visibility 16 km
Last update 16 Jun 11:55 am EDT
Extended Forecast for

Erwin TN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 26. West wind 5 to 10 km/h.

    High: 26 °C

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 16. Calm wind. Chance of precipitation is 20%.

    Low: 16 °C

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 29. Light southwest wind becoming west 10 to 15 km/h in the morning.

    High: 29 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20. South wind 5 to 10 km/h.

    Low: 20 °C

    Mostly Clear

  • Thursday

    Thursday: 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 30. West wind 10 to 20 km/h, with gusts as high as 40 km/h. Chance of precipitation is 90%.

    High: 30 °C

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 19. West wind 5 to 10 km/h becoming calm in the evening. Chance of precipitation is 90%.

    Low: 19 °C

    Showers

  • Juneteenth

    Juneteenth: Showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. High near 26. Southwest wind 5 to 10 km/h. Chance of precipitation is 80%.

    High: 26 °C

    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 15. Chance of precipitation is 60%.

    Low: 15 °C

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 27.

    High: 27 °C

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 26. West wind 5 to 10 km/h.
Tonight
A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 16. Calm wind. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 29. Light southwest wind becoming west 10 to 15 km/h in the morning.
Wednesday Night
Mostly clear, with a low around 20. South wind 5 to 10 km/h.
Thursday
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 30. West wind 10 to 20 km/h, with gusts as high as 40 km/h. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm. Low around 19. West wind 5 to 10 km/h becoming calm in the evening. Chance of precipitation is 90%.
Juneteenth
Showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. High near 26. Southwest wind 5 to 10 km/h. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 15. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 27.
Saturday Night
Mostly clear, with a low around 16.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 29.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 19.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 29. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Erwin TN
 36.14°N 82.42°W (Elev. 1726 m)
Last Update:
7:06 am EDT Jun 16, 2026
Forecast Valid:
12pm EDT Jun 16, 2026-6pm EDT Jun 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