National Weather Service Forecast for: Cleveland TN
Issued by: National Weather Service Morristown, TN
Updated: 7:01 pm EDT Sep 12, 2026
 
Tonight

Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
Slight Chance
T-storms then
Patchy Fog
 Sunday

Sunday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny and hot, with a high near 92. Heat index values as high as 97. Calm wind becoming north around 5 mph.
Patchy Fog
then Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 69. Calm wind.
Mostly Clear

 Monday

Monday: Patchy fog before 8am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 99. Calm wind becoming north around 5 mph in the afternoon.
Patchy Fog
then Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 67. Northeast wind around 5 mph becoming calm in the evening.
Mostly Clear

 Tuesday

Tuesday: Sunny and hot, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Hot

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.
Mostly Clear

 Wednesday

Wednesday: Sunny and hot, with a high near 94.
Hot

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 67.
Mostly Clear
Lo 69 °F Hi 92 °F Lo 69 °F Hi 93 °F Lo 67 °F Hi 94 °F Lo 68 °F Hi 94 °F Lo 67 °F

 

Tonight
 
 A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
Sunday
 
 Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny and hot, with a high near 92. Heat index values as high as 97. Calm wind becoming north around 5 mph.
Sunday Night
 
 Mostly clear, with a low around 69. Calm wind.
Monday
 
 Patchy fog before 8am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 99. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
 
 Mostly clear, with a low around 67. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
 
 Sunny and hot, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.
Wednesday
 
 Sunny and hot, with a high near 94.
Wednesday Night
 
 Mostly clear, with a low around 67.
Thursday
 
 Sunny and hot, with a high near 94.
Thursday Night
 
 Mostly clear, with a low around 67.
Friday
 
 A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
Friday Night
 
 A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 68.
Saturday
 
 A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 91.

 

Forecast from NOAA-NWS for Cleveland TN.