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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Jun 19, 2026
 
Juneteenth

Juneteenth: Mostly sunny, with a high near 83. North wind around 5 mph.
High: 83 °F		 Tonight

Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 60. North wind around 5 mph becoming calm.
Low: 60 °F		 Saturday

Saturday: Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 86. Calm wind becoming east around 5 mph.
High: 86 °F		 Saturday
Night
Saturday Night: Mostly clear, with a low around 66. Calm wind.
Low: 66 °F		 Sunday

Sunday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
High: 88 °F		 Sunday
Night
Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 72. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Low: 72 °F		 Monday

Monday: Showers and possibly a thunderstorm. High near 83. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
High: 83 °F		 Monday
Night
Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 66. West wind 5 to 10 mph. Chance of precipitation is 60%.
Low: 66 °F		 Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West northwest wind around 5 mph.
High: 83 °F
Mostly Sunny

 Partly Cloudy
then Patchy
Fog
 Patchy Fog
then Sunny

 Mostly Clear

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

 Showers
Likely

 Slight Chance
T-storms

 

Juneteenth
 
 Mostly sunny, with a high near 83. North wind around 5 mph.
Tonight
 
 Patchy fog after 2am. Otherwise, increasing clouds, with a low around 60. North wind around 5 mph becoming calm.
Saturday
 
 Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 86. Calm wind becoming east around 5 mph.
Saturday Night
 
 Mostly clear, with a low around 66. Calm wind.
Sunday
 
 A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 72. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday
 
 Showers and possibly a thunderstorm. High near 83. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Monday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 66. West wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday
 
 A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West northwest wind around 5 mph.
Tuesday Night
 
 A 20 percent chance of showers after 1am. Partly cloudy, with a low around 63.
Wednesday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
 
 Mostly clear, with a low around 63.
Thursday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

 

Forecast from NOAA-NWS for Watertown TN.