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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 4:26 pm CDT Jun 19, 2026
 
Tonight

Tonight: Increasing clouds, with a low around 60. North wind around 5 mph becoming calm in the evening.
Low: 60 °F		 Saturday

Saturday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming east southeast around 5 mph.
High: 87 °F		 Saturday
Night
Saturday Night: Mostly clear, with a low around 66. Northwest wind around 5 mph becoming calm.
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 87. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
High: 87 °F		 Sunday
Night
Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 72. South wind 10 to 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 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
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 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 83. West northwest wind around 5 mph.
High: 83 °F		 Tuesday
Night
Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. North northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Low: 64 °F
Increasing
Clouds

 Patchy Fog
then Mostly
Sunny
 Mostly Clear

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

 Showers
Likely

 Chance
T-storms

 Slight Chance
T-storms

 

Tonight
 
 Increasing clouds, with a low around 60. North wind around 5 mph becoming calm in the evening.
Saturday
 
 Patchy fog before 7am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming east southeast around 5 mph.
Saturday Night
 
 Mostly clear, with a low around 66. Northwest wind around 5 mph becoming calm.
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 87. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 72. South wind 10 to 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 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
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 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 83. West northwest wind around 5 mph.
Tuesday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. North northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Wednesday Night
 
 Mostly clear, with a low around 63.
Thursday
 
 Mostly sunny, with a high near 84.
Thursday Night
 
 Partly cloudy, with a low around 63.
Friday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

 

Forecast from NOAA-NWS for Watertown TN.