Skip to main content.
National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 3:26 pm CDT May 13, 2026
 
Tonight

Tonight: Clear, with a low around 47. North wind 5 to 10 mph, with gusts as high as 20 mph.
Low: 47 °F
Thursday

Thursday: Sunny, with a high near 71. North wind 5 to 10 mph.
High: 71 °F
Thursday
Night
Thursday Night: Clear, with a low around 44. Calm wind.
Low: 44 °F
Friday

Friday: Sunny, with a high near 80. Light southeast wind becoming south southwest 5 to 10 mph in the morning.
High: 80 °F
Friday
Night
Friday Night: Partly cloudy, with a low around 62. South wind 5 to 10 mph, with gusts as high as 20 mph.
Low: 62 °F
Saturday

Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 86. South southwest wind around 10 mph, with gusts as high as 20 mph.
High: 86 °F
Saturday
Night
Saturday Night: Mostly cloudy, with a low around 62. South wind around 5 mph.
Low: 62 °F
Sunday

Sunday: Mostly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 20 mph.
High: 87 °F
Sunday
Night
Sunday Night: Mostly clear, with a low around 64. South wind around 5 mph.
Low: 64 °F
Clear
Sunny
Clear
Sunny
Partly Cloudy
Slight Chance
T-storms
Mostly Cloudy
Mostly Sunny
Mostly Clear

 

Tonight
 
Clear, with a low around 47. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
 
Sunny, with a high near 71. North wind 5 to 10 mph.
Thursday Night
 
Clear, with a low around 44. Calm wind.
Friday
 
Sunny, with a high near 80. Light southeast wind becoming south southwest 5 to 10 mph in the morning.
Friday Night
 
Partly cloudy, with a low around 62. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
 
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. South southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
 
Mostly cloudy, with a low around 62. South wind around 5 mph.
Sunday
 
Mostly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
 
Mostly clear, with a low around 64. South wind around 5 mph.
Monday
 
Sunny, with a high near 88.
Monday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
 
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Wednesday
 
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Watertown TN.