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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT Jul 8, 2026
 
This
Afternoon
This Afternoon: Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. High near 86. West southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
High: 86 °F		 Tonight

Tonight: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 1am. Patchy fog between midnight and 2am. Otherwise, partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Low: 68 °F		 Thursday

Thursday: A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 88. West southwest wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
High: 88 °F		 Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 40%.
Low: 71 °F		 Friday

Friday: Showers and possibly a thunderstorm. High near 88. Southwest wind around 10 mph. Chance of precipitation is 90%.
High: 88 °F		 Friday
Night
Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 70%.
Low: 71 °F		 Saturday

Saturday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 86. West southwest wind 5 to 10 mph. Chance of precipitation is 90%.
High: 86 °F		 Saturday
Night
Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West northwest wind around 5 mph becoming calm. Chance of precipitation is 50%.
Low: 69 °F		 Sunday

Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the morning. Chance of precipitation is 60%.
High: 85 °F
T-storms


 Showers
Likely then
Chance
Showers and
Patchy Fog
 Chance
T-storms

 Slight Chance
T-storms then
Chance
Showers
 Showers


 Showers
Likely

 Showers then
T-storms

 Chance
T-storms

 Showers
Likely

Flood Watch
 

This Afternoon
 
 Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. High near 86. West southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 1am. Patchy fog between midnight and 2am. Otherwise, partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 88. West southwest wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 40%.
Friday
 
 Showers and possibly a thunderstorm. High near 88. Southwest wind around 10 mph. Chance of precipitation is 90%.
Friday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 70%.
Saturday
 
 Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 86. West southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West northwest wind around 5 mph becoming calm. Chance of precipitation is 50%.
Sunday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the morning. Chance of precipitation is 60%.
Sunday Night
 
 A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Monday
 
 A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
 
 Mostly clear, with a low around 68.
Tuesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Watertown TN.