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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT Jun 13, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 90. Calm wind.
High: 90 °F		 Tonight

Tonight: A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Low: 71 °F		 Sunday

Sunday: Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 86. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 86 °F		 Sunday
Night
Sunday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 60. Northwest wind 5 to 10 mph becoming light north northwest in the evening. Chance of precipitation is 30%.
Low: 60 °F		 Monday

Monday: Mostly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
High: 79 °F		 Monday
Night
Monday Night: Partly cloudy, with a low around 57. North northwest wind around 5 mph becoming calm.
Low: 57 °F		 Tuesday

Tuesday: Sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.
High: 81 °F		 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 61. Calm wind becoming south southwest around 5 mph after midnight.
Low: 61 °F		 Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
High: 86 °F
Mostly Sunny

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

 Partly Cloudy

 Sunny

 Mostly Clear

 Slight Chance
T-storms

 

This Afternoon
 
 Mostly sunny, with a high near 90. Calm wind.
Tonight
 
 A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 86. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
 
 A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 60. Northwest wind 5 to 10 mph becoming light north northwest in the evening. Chance of precipitation is 30%.
Monday
 
 Mostly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
 
 Partly cloudy, with a low around 57. North northwest wind around 5 mph becoming calm.
Tuesday
 
 Sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 61. Calm wind becoming south southwest around 5 mph after midnight.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
 
 A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly clear, with a low around 73. Chance of precipitation is 30%.
Thursday
 
 Showers and thunderstorms. High near 87. Chance of precipitation is 80%.
Thursday Night
 
 Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 90%.
Juneteenth
 
 Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

 

Forecast from NOAA-NWS for Watertown TN.