National Weather Service Forecast for: Greeneville, TN
Issued by: National Weather Service Morristown, TN
Updated: Tue, 06-Oct-2026 7:06am EDT
 
This
Afternoon
This Afternoon: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Mostly Sunny
Mostly Sunny
Saturday

Saturday: Mostly Sunny then Slight Chance Rain Showers
Mostly Sunny then Slight Chance Rain Showers
Sunday

Sunday: Chance Rain Showers
Chance Rain Showers
Columbus
Day
Columbus Day: Chance Rain Showers
Chance Rain Showers
 
Hi 78 °F Hi 79 °F Hi 81 °F Hi 81 °F Hi 78 °F Hi 74 °F Hi 78 °F  
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday
Night
Saturday Night: Chance Rain Showers
Chance Rain Showers
Sunday
Night
Sunday Night: Chance Rain Showers
Chance Rain Showers
Monday
Night
Monday Night: Slight Chance Rain Showers
Slight Chance Rain Showers
 
Lo 50 °F Lo 53 °F Lo 53 °F Lo 52 °F Lo 54 °F Lo 55 °F Lo 54 °F  

 

This Afternoon
 
Sunny, with a high near 78. Southwest wind 0 to 5 mph.
Tonight
 
Mostly clear, with a low around 50. South wind 0 to 5 mph.
Wednesday
 
Sunny, with a high near 79. Southwest wind 0 to 5 mph.
Wednesday Night
 
Mostly clear, with a low around 53. South wind 0 to 5 mph.
Thursday
 
Sunny, with a high near 81. Southwest wind 0 to 5 mph.
Thursday Night
 
Mostly clear, with a low around 53. South wind around 0 mph.
Friday
 
Mostly sunny, with a high near 81. Northeast wind 0 to 5 mph.
Friday Night
 
Partly cloudy, with a low around 52.
Saturday
 
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Saturday Night
 
A chance of rain showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Sunday
 
A chance of rain showers. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Sunday Night
 
A chance of rain showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Columbus Day
 
A chance of rain showers. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Monday Night
 
A slight chance of rain showers. Partly cloudy, with a low around 54.

 

Forecast from NOAA-NWS for Greeneville, TN.