



Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes
Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >
Hazardous Weather Conditions
Current conditions at
Greeneville-Greene County Municipal Airport (KGCY)
Lat: 36.2°NLon: 82.81°WElev: 1608ft.
Fair
86°F
30°C
Humidity | 49% |
Wind Speed | Calm |
Barometer | 30.15 in |
Dewpoint | 64°F (18°C) |
Visibility | 10.00 mi |
Heat Index | 88°F (31°C) |
Last update | 21 Jun 6:35 pm EDT |
Extended Forecast for
Greeneville TN
Tonight
Low: 67 °F
Partly Cloudy
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 67 °F
Mostly Clear
Monday
High: 90 °F
Sunny then
Slight Chance
T-stormsMonday Night
Low: 69 °F
Mostly Clear
Tuesday
High: 93 °F
Hot
Tuesday Night
Low: 69 °F
Partly Cloudy
Wednesday
High: 94 °F
Hot
Wednesday Night
Low: 69 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 67. South wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 89. Calm wind becoming west around 5 mph.
Sunday Night
Mostly clear, with a low around 67. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 90. Calm wind.
Monday Night
Mostly clear, with a low around 69. Calm wind.
Tuesday
Sunny and hot, with a high near 93. Calm wind becoming north around 5 mph.
Tuesday Night
Partly cloudy, with a low around 69. Calm wind.
Wednesday
Sunny and hot, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Greeneville TN
36.17°N 82.81°W (Elev. 1598 ft)
36.17°N 82.81°W (Elev. 1598 ft)
4:12 pm EDT Jun 21, 2025
7pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025