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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:46 pm CDT Apr 22, 2026
 
Tonight

Tonight: Mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Low: 53 °F		 Thursday

Thursday: Sunny, with a high near 82. Light south wind becoming south southwest 5 to 10 mph in the morning.
High: 82 °F		 Thursday
Night
Thursday Night: Mostly clear, with a low around 60. South wind around 5 mph.
Low: 60 °F		 Friday

Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
High: 82 °F		 Friday
Night
Friday Night: Showers and possibly a thunderstorm. Low around 59. South southwest wind around 5 mph. Chance of precipitation is 90%.
Low: 59 °F		 Saturday

Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. Southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 70%.
High: 77 °F		 Saturday
Night
Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. Calm wind.
Low: 55 °F		 Sunday

Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Calm wind becoming east southeast around 5 mph in the afternoon.
High: 81 °F		 Sunday
Night
Sunday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 60. East southeast wind around 5 mph.
Low: 60 °F
Mostly Clear

 Sunny

 Mostly Clear

 Sunny then
Chance
Showers
 Showers
Likely then
Showers
 Showers
Likely

 Slight Chance
Showers

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

 

Tonight
 
 Mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Thursday
 
 Sunny, with a high near 82. Light south wind becoming south southwest 5 to 10 mph in the morning.
Thursday Night
 
 Mostly clear, with a low around 60. South wind around 5 mph.
Friday
 
 A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday Night
 
 Showers and possibly a thunderstorm. Low around 59. South southwest wind around 5 mph. Chance of precipitation is 90%.
Saturday
 
 Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. Southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 70%.
Saturday Night
 
 A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. Calm wind.
Sunday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Calm wind becoming east southeast around 5 mph in the afternoon.
Sunday Night
 
 A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 60. East southeast wind around 5 mph.
Monday
 
 A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Monday Night
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 60. Chance of precipitation is 90%.
Tuesday
 
 A 30 percent chance of showers. Partly sunny, with a high near 77.
Tuesday Night
 
 A 20 percent chance of showers. Partly cloudy, with a low around 54.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Watertown TN.