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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 3:16 pm CST Mar 6, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 64. South wind around 10 mph.
Low: 64 °F
Saturday

Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm.  High near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
High: 77 °F
Saturday
Night
Saturday Night: Showers and possibly a thunderstorm.  Low around 54. South southwest wind 5 to 10 mph becoming northwest after midnight.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Low: 54 °F
Sunday

Sunday: A 40 percent chance of showers.  Cloudy, then gradually becoming mostly sunny, with a high near 66. Northwest wind around 5 mph becoming calm  in the afternoon.
High: 66 °F
Sunday
Night
Sunday Night: Partly cloudy, with a low around 51. Calm wind.
Low: 51 °F
Monday

Monday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76. Light south southwest wind increasing to 5 to 10 mph in the morning.
High: 76 °F
Monday
Night
Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 59. South wind 5 to 10 mph.  Chance of precipitation is 60%.
Low: 59 °F
Tuesday

Tuesday: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 77. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.
High: 77 °F
Tuesday
Night
Tuesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 20 mph.
Low: 64 °F
Partly Cloudy

Slight Chance
Showers then
Showers
Showers

Chance
Showers

Partly Cloudy

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

Chance
Showers

 

Tonight
 
Partly cloudy, with a low around 64. South wind around 10 mph.
Saturday
 
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
 
Showers and possibly a thunderstorm. Low around 54. South southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
 
A 40 percent chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 66. Northwest wind around 5 mph becoming calm in the afternoon.
Sunday Night
 
Partly cloudy, with a low around 51. Calm wind.
Monday
 
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Light south southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 59. South wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday
 
Showers likely and possibly a thunderstorm. Cloudy, with a high near 77. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Tuesday Night
 
A 40 percent chance of showers. Mostly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
 
A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 76. Chance of precipitation is 70%.
Wednesday Night
 
Showers likely. Cloudy, with a low around 45. Chance of precipitation is 70%.
Thursday
 
A 30 percent chance of showers. Mostly cloudy, with a high near 57.
Thursday Night
 
A 20 percent chance of showers. Mostly cloudy, with a low around 43.
Friday
 
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Watertown TN.