Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

73°F

23°C

Humidity 78%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 26 Aug 9:55 pm EDT
Extended Forecast for

Greeneville TN

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind becoming south around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 2am.  Mostly cloudy, with a low around 65. Calm wind.  Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 2pm.  Patchy fog between 7am and 8am.  Otherwise, mostly sunny, with a high near 85. Calm wind becoming northwest around 5 mph.  Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. Calm wind becoming southeast around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Calm wind becoming south around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 2am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 40%.
Friday
A slight chance of showers, with thunderstorms also possible after 2pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming northwest around 5 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 63. Calm wind.
Saturday
Sunny, with a high near 88. Calm wind.
Saturday Night
Mostly clear, with a low around 64. Calm wind becoming southeast around 5 mph.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny and hot, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.15°N 82.81°W (Elev. 1499 ft)
7:06 pm EDT Aug 26, 2026
10pm EDT Aug 26, 2026-6pm EDT Sep 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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