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.

Fair

54°F

12°C

Humidity 58%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Feb 6:15 am EST
Extended Forecast for

Erwin TN

  • Today

    Today: A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 66. Calm wind becoming west around 5 mph in the morning.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 8pm, then a chance of showers after 10pm. Cloudy, with a low around 54. Calm wind. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely after 1am. Increasing clouds, with a low around 57. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 57 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers before 1pm. Mostly sunny, with a high near 66. West wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 44. West wind around 5 mph becoming calm.

    Low: 44 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 59. Calm wind becoming northwest around 5 mph.

    High: 59 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of snow showers. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Snow
    Showers

Detailed Forecast

Today
A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 66. Calm wind becoming west around 5 mph in the morning.
Tonight
A slight chance of showers before 8pm, then a chance of showers after 10pm. Cloudy, with a low around 54. Calm wind. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely after 1am. Increasing clouds, with a low around 57. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers before 1pm. Mostly sunny, with a high near 66. West wind 5 to 10 mph, with gusts as high as 25 mph.
Friday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 44. West wind around 5 mph becoming calm.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 59. Calm wind becoming northwest around 5 mph.
Saturday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Sunday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 42.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 43.
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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 ft)
Last Update:
6:06 am EST Feb 18, 2026
Forecast Valid:
6am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation