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

55°F

13°C

Humidity 88%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 5 Mar 2:35 am EST
Extended Forecast for

Erwin TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 79. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 10%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly sunny, with a high near 79. Light south wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 70%.

    High: 79 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. Calm wind.
Thursday
Mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. Calm wind.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 79. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 10%.
Saturday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly sunny, with a high near 79. Light south wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 54.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Tuesday
A 40 percent chance of showers. Mostly sunny, with a high near 79.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 62.
Wednesday
Showers likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Erwin TN
 36.14°N 82.42°W (Elev. 1726 ft)
Last Update:
1:26 am EST Mar 5, 2026
Forecast Valid:
2am EST Mar 5, 2026-6pm EDT Mar 11, 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