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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:36 am CDT May 5, 2026
 
Today

Today: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 76. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
High: 76 °F		 Tonight

Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 58. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Low: 58 °F		 Wednesday

Wednesday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 1pm, then showers and possibly a thunderstorm after 1pm. High near 70. West southwest wind around 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
High: 70 °F		 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 50. North northeast wind around 5 mph. Chance of precipitation is 80%.
Low: 50 °F		 Thursday

Thursday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 66. North wind 5 to 10 mph.
High: 66 °F		 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.
Low: 43 °F		 Friday

Friday: Sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.
High: 71 °F		 Friday
Night
Friday Night: Mostly clear, with a low around 50. Calm wind becoming south southwest around 5 mph after midnight.
Low: 50 °F		 Saturday

Saturday: Sunny, with a high near 77. West wind 5 to 10 mph.
High: 77 °F
Chance
Showers
 Chance
T-storms then
Showers
 Showers

 Showers

 Slight Chance
Showers
 Mostly Cloudy

 Sunny

 Mostly Clear

 Sunny

 

Today
 
 A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 76. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tonight
 
 Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 58. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
 Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 1pm, then showers and possibly a thunderstorm after 1pm. High near 70. West southwest wind around 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 50. North northeast wind around 5 mph. Chance of precipitation is 80%.
Thursday
 
 A 20 percent chance of showers before 1pm. Partly sunny, with a high near 66. North wind 5 to 10 mph.
Thursday Night
 
 Mostly cloudy, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.
Friday
 
 Sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 50. Calm wind becoming south southwest around 5 mph after midnight.
Saturday
 
 Sunny, with a high near 77. West wind 5 to 10 mph.
Saturday Night
 
 Mostly clear, with a low around 55.
Sunday
 
 A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Sunday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Monday
 
 A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Watertown TN.