National Weather Service Forecast for: Kingsport TN
Issued by: National Weather Service Morristown, TN
Updated: 2:36 pm EDT Jul 16, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 72. West wind around 5 mph becoming calm.
Partly Cloudy

 Friday

Friday: Mostly sunny and hot, with a high near 94. Heat index values as high as 103. Calm wind.
Hot

 Friday
Night
Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. Calm wind.
Chance
T-storms then
Chance
Showers
 Saturday

Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 89. Heat index values as high as 98. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 90%.
Chance
T-storms then
T-storms
 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 71. Southwest wind around 5 mph. Chance of precipitation is 80%.
T-storms then
Showers

 Sunday

Sunday: Showers likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. Southwest wind around 5 mph. Chance of precipitation is 80%.
Showers
Likely then
T-storms
 Sunday
Night
Sunday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 68. Calm wind. Chance of precipitation is 80%.
T-storms then
Slight Chance
T-storms
 Monday

Monday: Mostly sunny, with a high near 89.
Mostly Sunny

 Monday
Night
Monday Night: Partly cloudy, with a low around 69.
Partly Cloudy
Lo 72 °F Hi 94 °F Lo 73 °F Hi 89 °F Lo 71 °F Hi 87 °F Lo 68 °F Hi 89 °F Lo 69 °F

 

Tonight
 
 Partly cloudy, with a low around 72. West wind around 5 mph becoming calm.
Friday
 
 Mostly sunny and hot, with a high near 94. Heat index values as high as 103. Calm wind.
Friday Night
 
 A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. Calm wind.
Saturday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 89. Heat index values as high as 98. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 90%.
Saturday Night
 
 Showers and possibly a thunderstorm before 2am, then showers likely. Low around 71. Southwest wind around 5 mph. Chance of precipitation is 80%.
Sunday
 
 Showers likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. Southwest wind around 5 mph. Chance of precipitation is 80%.
Sunday Night
 
 Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 68. Calm wind. Chance of precipitation is 80%.
Monday
 
 Mostly sunny, with a high near 89.
Monday Night
 
 Partly cloudy, with a low around 69.
Tuesday
 
 A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 90.
Tuesday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Wednesday
 
 A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Wednesday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Thursday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

 

Forecast from NOAA-NWS for Kingsport TN.