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

32°F

0°C

Humidity 80%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 3 Dec 6:15 am EST
Extended Forecast for

Erwin TN

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 46. Calm wind becoming northwest around 5 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 44. Calm wind becoming northwest around 5 mph.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 31. Calm wind becoming southeast around 5 mph.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely. Cloudy, with a high near 44. Southeast wind around 5 mph becoming calm. Chance of precipitation is 70%.

    High: 44 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers. Cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly cloudy, with a high near 48. Calm wind becoming west around 5 mph.

    High: 48 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 46. Calm wind becoming northwest around 5 mph.
Tonight
Mostly clear, with a low around 29. Calm wind.
Thursday
Partly sunny, with a high near 44. Calm wind becoming northwest around 5 mph.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 31. Calm wind becoming southeast around 5 mph.
Friday
Showers likely. Cloudy, with a high near 44. Southeast wind around 5 mph becoming calm. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers. Cloudy, with a low around 36. Calm wind.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 48. Calm wind becoming west around 5 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 34.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 50.
Sunday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 32.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 41.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Erwin TN
 36.14°N 82.42°W (Elev. 1726 ft)
Last Update:
6:06 am EST Dec 3, 2025
Forecast Valid:
6am EST Dec 3, 2025-6pm EST Dec 9, 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