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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT Jun 25, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm in the evening.
Low: 68 °F		 Friday

Friday: A slight chance of showers and thunderstorms between 1pm and 5pm. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
High: 90 °F		 Friday
Night
Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 73. South southwest wind around 10 mph, with gusts as high as 20 mph.
Low: 73 °F		 Saturday

Saturday: Showers and possibly a thunderstorm. High near 88. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
High: 88 °F		 Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 72. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Low: 72 °F		 Sunday

Sunday: A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 92. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 30%.
High: 92 °F		 Sunday
Night
Sunday Night: Mostly clear, with a low around 73. Calm wind.
Low: 73 °F		 Monday

Monday: Sunny, with a high near 95. Calm wind becoming north northwest around 5 mph.
High: 95 °F		 Monday
Night
Monday Night: Clear, with a low around 74. Calm wind.
Low: 74 °F
Partly Cloudy

 Mostly Sunny
then Slight
Chance
T-storms
 Slight Chance
T-storms then
Chance
Showers
 Showers

 Showers
Likely

 Chance
T-storms

 Mostly Clear

 Sunny

 Clear

 

Tonight
 
 Partly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm in the evening.
Friday
 
 A slight chance of showers and thunderstorms between 1pm and 5pm. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
 
 A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 73. South southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
 
 Showers and possibly a thunderstorm. High near 88. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 72. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Sunday
 
 A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 92. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 30%.
Sunday Night
 
 Mostly clear, with a low around 73. Calm wind.
Monday
 
 Sunny, with a high near 95. Calm wind becoming north northwest around 5 mph.
Monday Night
 
 Clear, with a low around 74. Calm wind.
Tuesday
 
 Sunny, with a high near 96.
Tuesday Night
 
 Mostly clear, with a low around 75.
Wednesday
 
 Sunny and hot, with a high near 97.
Wednesday Night
 
 Clear, with a low around 76.
Thursday
 
 Sunny and hot, with a high near 97.

 

Forecast from NOAA-NWS for Watertown TN.