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.

Partly Cloudy

86°F

30°C

Humidity 43%
Wind Speed Vrbl 6 G 14 mph
Barometer 30.21 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 9 Sep 4:35 pm EDT
Extended Forecast for

Erwin TN

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Calm wind becoming south around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

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

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 86. Calm wind. Chance of precipitation is 90%.

    High: 86 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 67. Calm wind. Chance of precipitation is 80%.

    Low: 67 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. Calm wind becoming south around 5 mph.
Thursday
Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 68. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67. Calm wind.
Saturday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 86. Calm wind. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 67. Calm wind. Chance of precipitation is 80%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 67.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 89.
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 and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Erwin TN
 36.14°N 82.42°W (Elev. 1726 ft)
Last Update:
2:26 pm EDT Sep 9, 2026
Forecast Valid:
4pm EDT Sep 9, 2026-6pm EDT Sep 16, 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