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

Tonight: Showers likely, mainly before 3am. Mostly cloudy, with a low around 48. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Low: 48 °F		 Thursday

Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 66. North northwest wind 5 to 10 mph.
High: 66 °F		 Thursday
Night
Thursday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 41. North northwest wind around 5 mph becoming calm.
Low: 41 °F		 Friday

Friday: Sunny, with a high near 72. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.
High: 72 °F		 Friday
Night
Friday Night: Partly cloudy, with a low around 53. South southwest wind around 5 mph.
Low: 53 °F		 Saturday

Saturday: Mostly sunny, with a high near 77. West southwest wind around 5 mph.
High: 77 °F		 Saturday
Night
Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 58. Calm wind.
Low: 58 °F		 Sunday

Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. West southwest wind 5 to 10 mph. Chance of precipitation is 70%.
High: 78 °F		 Sunday
Night
Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Low: 53 °F
Showers
Likely

 Decreasing
Clouds

 Mostly Clear
then Patchy
Fog
 Sunny

 Partly Cloudy

 Mostly Sunny

 Partly Cloudy
then Slight
Chance
Showers
 Chance
Showers then
Showers
Likely
 Showers
Likely

 

Tonight
 
 Showers likely, mainly before 3am. Mostly cloudy, with a low around 48. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 66. North northwest wind 5 to 10 mph.
Thursday Night
 
 Patchy fog after 5am. Otherwise, mostly clear, with a low around 41. North northwest wind around 5 mph becoming calm.
Friday
 
 Sunny, with a high near 72. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.
Friday Night
 
 Partly cloudy, with a low around 53. South southwest wind around 5 mph.
Saturday
 
 Mostly sunny, with a high near 77. West southwest wind around 5 mph.
Saturday Night
 
 A 20 percent chance of showers after 1am. Partly cloudy, with a low around 58. Calm wind.
Sunday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. West southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Sunday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Monday
 
 Mostly sunny, with a high near 69.
Monday Night
 
 Clear, with a low around 45.
Tuesday
 
 Sunny, with a high near 75.
Tuesday Night
 
 A 20 percent chance of showers. Mostly clear, with a low around 55.
Wednesday
 
 Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Watertown TN.