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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:51 pm CDT Jun 15, 2026
 
Tonight

Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 57. Calm wind.
Low: 57 °F		 Tuesday

Tuesday: Mostly sunny, with a high near 83. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
High: 83 °F		 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 63. South southwest wind around 5 mph.
Low: 63 °F		 Wednesday

Wednesday: Mostly sunny, with a high near 87. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
High: 87 °F		 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 73. South southwest wind around 15 mph, with gusts as high as 25 mph.
Low: 73 °F		 Thursday

Thursday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 87. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
High: 87 °F		 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm. Low around 66. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%.
Low: 66 °F		 Juneteenth

Juneteenth: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. North wind 5 to 10 mph. Chance of precipitation is 60%.
High: 80 °F		 Friday
Night
Friday Night: Partly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening.
Low: 59 °F
Partly Cloudy
then Patchy
Fog
 Mostly Sunny

 Mostly Clear

 Mostly Sunny

 Partly Cloudy

 Chance
Showers then
T-storms
 Showers

 Showers
Likely
 Partly Cloudy

 

Tonight
 
 Patchy fog after 5am. Otherwise, partly cloudy, with a low around 57. Calm wind.
Tuesday
 
 Mostly sunny, with a high near 83. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 63. South southwest wind around 5 mph.
Wednesday
 
 Mostly sunny, with a high near 87. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
 
 Partly cloudy, with a low around 73. South southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday
 
 A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 87. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Thursday Night
 
 Showers and possibly a thunderstorm. Low around 66. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%.
Juneteenth
 
 Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. North wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
 
 Partly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening.
Saturday
 
 Sunny, with a high near 84.
Saturday Night
 
 A 20 percent chance of showers. Mostly clear, with a low around 63.
Sunday
 
 A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Monday
 
 Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Watertown TN.