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

72°F

22°C

Humidity 78%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 10 Sep 8:55 am EDT
Extended Forecast for

Erwin TN

  • Today

    Today: Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph. Chance of precipitation is 40%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: 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 85. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%.

    High: 85 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 11pm, then a chance of showers. Low around 67. Calm wind. Chance of precipitation is 80%.

    Low: 67 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Calm wind becoming northwest around 5 mph. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 67. Calm wind.
Friday
A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Calm wind.
Saturday
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 85. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%.
Saturday Night
Showers and thunderstorms before 11pm, then a chance of showers. Low around 67. Calm wind. Chance of precipitation is 80%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Calm wind becoming northwest around 5 mph. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 65. Chance of precipitation is 30%.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 88.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 67.
Wednesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 89.
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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:
7:06 am EDT Sep 10, 2026
Forecast Valid:
9am EDT Sep 10, 2026-6pm EDT Sep 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation