National Weather Service Forecast for: Greeneville, TN
Issued by: National Weather Service Morristown, TN
Updated: Mon, 18-May-2026 2:26pm EDT
 
This
Afternoon
This Afternoon: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Thursday

Thursday: Showers And Thunderstorms
Showers And T-Storms
Friday

Friday: Showers And Thunderstorms
Showers And T-Storms
Saturday

Saturday: Showers And Thunderstorms
Showers And T-Storms
Sunday

Sunday: Showers And Thunderstorms
Showers And T-Storms
 
Hi 90 °F Hi 88 °F Hi 86 °F Hi 82 °F Hi 81 °F Hi 81 °F Hi 82 °F  
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And T-Storms then Showers And T-Storms Likely
Thursday
Night
Thursday Night: Showers And Thunderstorms
Showers And T-Storms
Friday
Night
Friday Night: Showers And Thunderstorms
Showers And T-Storms
Saturday
Night
Saturday Night: Showers And Thunderstorms
Showers And T-Storms
Sunday
Night
Sunday Night: Showers And Thunderstorms
Showers And T-Storms
 
Lo 64 °F Lo 65 °F Lo 63 °F Lo 62 °F Lo 63 °F Lo 63 °F Lo 63 °F  

 

This Afternoon
 
Sunny, with a high near 90. Southwest wind around 5 mph.
Tonight
 
Mostly clear, with a low around 64. South wind around 5 mph.
Tuesday
 
Sunny, with a high near 88. Southwest wind 0 to 5 mph.
Tuesday Night
 
Partly cloudy, with a low around 65. South wind 0 to 5 mph.
Wednesday
 
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 0 to 5 mph. Chance of precipitation is 50%.
Wednesday Night
 
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. South wind 0 to 5 mph. Chance of precipitation is 60%.
Thursday
 
Rain showers likely before 11am, then showers and thunderstorms. Partly sunny, with a high near 82. East wind 0 to 5 mph. Chance of precipitation is 90%.
Thursday Night
 
Showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 90%.
Friday
 
A chance of rain showers before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 80%.
Friday Night
 
Showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 80%.
Saturday
 
A chance of rain showers before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 90%.
Saturday Night
 
Showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 90%.
Sunday
 
A chance of rain showers before 2pm, then showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 90%.
Sunday Night
 
Showers and thunderstorms. Mostly cloudy, with a low around 63.

 

Forecast from NOAA-NWS for Greeneville, TN.