National Weather Service Forecast for: Greeneville, TN
Issued by: National Weather Service Morristown, TN
Updated: Thu, 14-May-2026 2:26am EDT
 
  Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Mostly Sunny
Mostly Sunny
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Monday

Monday: Sunny
Sunny
Tuesday

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

Wednesday: Rain Showers Likely
Rain Showers Likely
  Hi 65 °F Hi 74 °F Hi 83 °F Hi 87 °F Hi 89 °F Hi 89 °F Hi 85 °F
 
Overnight

Overnight: Partly Cloudy
Partly Cloudy
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday
Night
Saturday Night: Mostly Cloudy
Mostly Cloudy
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Lo 47 °F Lo 42 °F Lo 51 °F Lo 59 °F Lo 60 °F Lo 62 °F Lo 63 °F  

 

Overnight
 
Partly cloudy, with a low around 47. Northwest wind around 5 mph.
Thursday
 
Mostly sunny, with a high near 65. Northwest wind 5 to 10 mph.
Thursday Night
 
Mostly clear, with a low around 42. Northeast wind 0 to 10 mph.
Friday
 
Sunny, with a high near 74. North wind 0 to 5 mph.
Friday Night
 
Partly cloudy, with a low around 51. South wind 0 to 5 mph.
Saturday
 
Mostly sunny, with a high near 83. Southwest wind 0 to 5 mph.
Saturday Night
 
Mostly cloudy, with a low around 59. South wind 0 to 5 mph.
Sunday
 
Mostly sunny, with a high near 87.
Sunday Night
 
Partly cloudy, with a low around 60.
Monday
 
Sunny, with a high near 89.
Monday Night
 
Mostly clear, with a low around 62.
Tuesday
 
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Tuesday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
 
Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 85.

 

Forecast from NOAA-NWS for Greeneville, TN.