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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:11 pm CDT Sep 6, 2026
 
Tonight

Tonight: Mostly clear, with a low around 66. North northeast wind 5 to 10 mph.
Low: 66 °F		 Labor
Day
Labor Day: Mostly sunny, with a high near 91. Northeast wind around 5 mph.
High: 91 °F		 Monday
Night
Monday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 67. East northeast wind around 5 mph becoming south southeast in the evening.
Low: 67 °F		 Tuesday

Tuesday: Mostly sunny, with a high near 91. South wind 5 to 10 mph.
High: 91 °F		 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 69. South southeast wind around 5 mph.
Low: 69 °F		 Wednesday

Wednesday: Sunny, with a high near 93. South southwest wind 5 to 10 mph.
High: 93 °F		 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 71. South wind 5 to 10 mph.
Low: 71 °F		 Thursday

Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southwest wind around 10 mph becoming west in the afternoon.
High: 92 °F		 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Low: 66 °F
Mostly Clear

 Mostly Sunny

 Gradual
Clearing
 Mostly Sunny

 Mostly Clear

 Sunny

 Mostly Clear

 Sunny then
Chance
T-storms
 Chance
Showers

 

Tonight
 
 Mostly clear, with a low around 66. North northeast wind 5 to 10 mph.
Labor Day
 
 Mostly sunny, with a high near 91. Northeast wind around 5 mph.
Monday Night
 
 Mostly cloudy during the early evening, then gradual clearing, with a low around 67. East northeast wind around 5 mph becoming south southeast in the evening.
Tuesday
 
 Mostly sunny, with a high near 91. South wind 5 to 10 mph.
Tuesday Night
 
 Mostly clear, with a low around 69. South southeast wind around 5 mph.
Wednesday
 
 Sunny, with a high near 93. South southwest wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 71. South wind 5 to 10 mph.
Thursday
 
 A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southwest wind around 10 mph becoming west in the afternoon.
Thursday Night
 
 A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Friday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Friday Night
 
 Partly cloudy, with a low around 64.
Saturday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Saturday Night
 
 Partly cloudy, with a low around 66.
Sunday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Watertown TN.