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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 3:36 pm CDT Apr 26, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 58. East wind around 5 mph becoming south southeast after midnight.
Low: 58 °F
Monday

Monday: Mostly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph.
High: 82 °F
Monday
Night
Monday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall.  Low around 60. South wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Low: 60 °F
Tuesday

Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.
High: 80 °F
Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm.  Low around 62. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%.
Low: 62 °F
Wednesday

Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  High near 75. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 80%.
High: 75 °F
Wednesday
Night
Wednesday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 49. North wind 5 to 10 mph.
Low: 49 °F
Thursday

Thursday: Mostly sunny, with a high near 68. North wind 5 to 10 mph.
High: 68 °F
Thursday
Night
Thursday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 45. North wind around 5 mph becoming calm  in the evening.
Low: 45 °F
Partly Cloudy

Mostly Sunny

Slight Chance
T-storms then
Heavy Rain
Showers
Likely

Showers
Likely then
Showers
Showers

Slight Chance
Showers

Mostly Sunny

Partly Cloudy
then Slight
Chance
Showers

 

Tonight
 
Partly cloudy, with a low around 58. East wind around 5 mph becoming south southeast after midnight.
Monday
 
Mostly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
 
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 60. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
 
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tuesday Night
 
Showers and possibly a thunderstorm. Low around 62. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Wednesday
 
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 75. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Wednesday Night
 
A 20 percent chance of showers. Partly cloudy, with a low around 49. North wind 5 to 10 mph.
Thursday
 
Mostly sunny, with a high near 68. North wind 5 to 10 mph.
Thursday Night
 
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening.
Friday
 
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 69.
Friday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Saturday
 
Mostly sunny, with a high near 66.
Saturday Night
 
Partly cloudy, with a low around 43.
Sunday
 
Sunny, with a high near 70.

 

Forecast from NOAA-NWS for Watertown TN.