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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT Jun 6, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 67. South southwest wind around 5 mph becoming calm in the evening.
Low: 67 °F		 Sunday

Sunday: A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Light south wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
High: 84 °F		 Sunday
Night
Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Low: 69 °F		 Monday

Monday: Showers and possibly a thunderstorm. High near 83. South wind around 5 mph. Chance of precipitation is 80%.
High: 83 °F		 Monday
Night
Monday Night: Showers and thunderstorms likely before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 60%.
Low: 69 °F		 Tuesday

Tuesday: Showers and possibly a thunderstorm. High near 85. South southwest wind 5 to 10 mph. Chance of precipitation is 80%.
High: 85 °F		 Tuesday
Night
Tuesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 5 mph.
Low: 70 °F		 Wednesday

Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.
High: 88 °F		 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 71. South wind around 5 mph.
Low: 71 °F
Mostly Cloudy

 Mostly Cloudy
then Chance
T-storms
 Slight Chance
T-storms then
Chance
T-storms
 Showers
Likely then
T-storms
 T-storms
Likely then
Showers
Likely
 Showers

 Chance
T-storms

 Showers
Likely

 Mostly Clear

 

Tonight
 
 Mostly cloudy, with a low around 67. South southwest wind around 5 mph becoming calm in the evening.
Sunday
 
 A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Light south wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
 
 A slight chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
 
 Showers and possibly a thunderstorm. High near 83. South wind around 5 mph. Chance of precipitation is 80%.
Monday Night
 
 Showers and thunderstorms likely before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 60%.
Tuesday
 
 Showers and possibly a thunderstorm. High near 85. South southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Tuesday Night
 
 A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 5 mph.
Wednesday
 
 Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
 
 Mostly clear, with a low around 71. South wind around 5 mph.
Thursday
 
 A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 91.
Thursday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
 
 A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Saturday
 
 A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

 

Forecast from NOAA-NWS for Watertown TN.