Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

73°F

23°C

Humidity 89%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 27 Jul 3:15 am EDT
Extended Forecast for

Greeneville TN

  • Overnight

    Overnight: A slight chance of showers between 4am and 5am.  Mostly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 10%.

    Low: 67 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming northwest around 5 mph.

    High: 86 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly before 5pm.  High near 87. West wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.

    High: 87 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am.  Partly cloudy, with a low around 66. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 10%.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming northwest around 5 mph.
Monday Night
Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph.
Tuesday
Showers and thunderstorms, mainly before 5pm. High near 87. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am. Partly cloudy, with a low around 66. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.15°N 82.84°W (Elev. 1535 ft)
2:26 am EDT Jul 27, 2026
3am EDT Jul 27, 2026-6pm EDT Aug 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database