National Weather Service Forecast for: Greeneville, TN
Issued by: National Weather Service Morristown, TN
Updated: Sun, 09-Aug-2026 2:26pm EDT
 
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Monday

Monday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Rain Showers then Slight Chance Showers And T-Storms
Tuesday

Tuesday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday

Wednesday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Thursday

Thursday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Friday

Friday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday

Saturday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Hi 88 °F Hi 87 °F Hi 88 °F Hi 87 °F Hi 87 °F Hi 86 °F Hi 86 °F  
 
Tonight

Tonight: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers And T-Storms Likely then Chance Showers And T-Storms
Thursday
Night
Thursday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Friday
Night
Friday Night: Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers And T-Storms Likely then Chance Showers And T-Storms
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Lo 68 °F Lo 70 °F Lo 69 °F Lo 70 °F Lo 71 °F Lo 69 °F Lo 70 °F  

 

This Afternoon
 
A slight chance of showers and thunderstorms after 4pm. Partly sunny. High near 88, with temperatures falling to around 84 in the afternoon. West wind around 0 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
Tonight
 
A chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 68. South wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Monday
 
A slight chance of rain showers between 8am and 11am, then a slight chance of showers and thunderstorms between noon and 3pm. Mostly sunny, with a high near 87. Southwest wind 0 to 5 mph. Chance of precipitation is 20%.
Monday Night
 
Mostly clear, with a low around 70. Southwest wind 0 to 5 mph.
Tuesday
 
A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind around 5 mph. Chance of precipitation is 40%.
Tuesday Night
 
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 40%.
Wednesday
 
A chance of rain showers before 8am, then showers and thunderstorms likely. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Wednesday Night
 
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 70%.
Thursday
 
A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Thursday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
 
A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Friday Night
 
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
 
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Saturday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

 

Forecast from NOAA-NWS for Greeneville, TN.