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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 7:46 pm CDT May 4, 2026
 
Tonight

Tonight: Mostly clear, with a low around 56. South southwest wind around 10 mph, with gusts as high as 20 mph.
Low: 56 °F		 Tuesday

Tuesday: A chance of showers between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 75. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
High: 75 °F		 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 59. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Low: 59 °F		 Wednesday

Wednesday: Showers and possibly a thunderstorm. High near 70. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
High: 70 °F		 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 50. North wind around 5 mph. Chance of precipitation is 80%.
Low: 50 °F		 Thursday

Thursday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 64. North wind 5 to 10 mph.
High: 64 °F		 Thursday
Night
Thursday Night: Partly cloudy, with a low around 41. North northwest wind around 5 mph becoming calm in the evening.
Low: 41 °F		 Friday

Friday: Sunny, with a high near 71. East southeast wind around 5 mph becoming west southwest in the afternoon.
High: 71 °F		 Friday
Night
Friday Night: Mostly clear, with a low around 49. South southwest wind around 5 mph.
Low: 49 °F
Mostly Clear

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

 Sunny

 Mostly Clear

 

Tonight
 
 Mostly clear, with a low around 56. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
 
 A chance of showers between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 75. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 59. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
 Showers and possibly a thunderstorm. High near 70. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 50. North wind around 5 mph. Chance of precipitation is 80%.
Thursday
 
 A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 64. North wind 5 to 10 mph.
Thursday Night
 
 Partly cloudy, with a low around 41. North northwest wind around 5 mph becoming calm in the evening.
Friday
 
 Sunny, with a high near 71. East southeast wind around 5 mph becoming west southwest in the afternoon.
Friday Night
 
 Mostly clear, with a low around 49. South southwest wind around 5 mph.
Saturday
 
 Mostly sunny, with a high near 77.
Saturday Night
 
 Mostly clear, with a low around 54.
Sunday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Sunday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Monday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.

 

Forecast from NOAA-NWS for Watertown TN.