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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Apr 25, 2026
 
Overnight

Overnight: Showers and possibly a thunderstorm before 4am, then showers likely.  Low around 60. Calm wind.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Low: 60 °F
Saturday

Saturday: Showers and thunderstorms likely, mainly before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 76 °F
Saturday
Night
Saturday Night: Partly cloudy, with a low around 54. North wind around 5 mph becoming calm.
Low: 54 °F
Sunday

Sunday: Mostly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the morning.
High: 80 °F
Sunday
Night
Sunday Night: Partly cloudy, with a low around 57. Northeast wind around 5 mph becoming southeast after midnight.
Low: 57 °F
Monday

Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.
High: 82 °F
Monday
Night
Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 62. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.
Low: 62 °F
Tuesday

Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 80. South wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.
High: 80 °F
Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm.  Low around 61. South southwest wind around 5 mph.  Chance of precipitation is 80%.
Low: 61 °F
Showers

Showers
Likely then
Chance
T-storms
Partly Cloudy

Mostly Sunny

Partly Cloudy

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

Showers

 

Overnight
 
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 60. Calm wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
Showers and thunderstorms likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
Partly cloudy, with a low around 54. North wind around 5 mph becoming calm.
Sunday
 
Mostly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the morning.
Sunday Night
 
Partly cloudy, with a low around 57. Northeast wind around 5 mph becoming southeast after midnight.
Monday
 
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
 
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 62. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Tuesday
 
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
 
Showers and possibly a thunderstorm. Low around 61. South southwest wind around 5 mph. Chance of precipitation is 80%.
Wednesday
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
Wednesday Night
 
A 30 percent chance of showers. Partly cloudy, with a low around 50.
Thursday
 
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Thursday Night
 
A 40 percent chance of showers. Partly cloudy, with a low around 48.
Friday
 
A 50 percent chance of showers. Partly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Watertown TN.