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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.