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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:31 am CDT Apr 27, 2026
 
Today

Today: Partly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph.
High: 82 °F		 Tonight

Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 61. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Low: 61 °F		 Tuesday

Tuesday: A chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 80 °F		 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 62. South 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 74. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
High: 74 °F		 Wednesday
Night
Wednesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 48. North northwest wind 5 to 10 mph.
Low: 48 °F		 Thursday

Thursday: Mostly sunny, with a high near 67. North wind 5 to 10 mph.
High: 67 °F		 Thursday
Night
Thursday Night: Partly cloudy, with a low around 44. North wind around 5 mph becoming calm in the evening.
Low: 44 °F		 Friday

Friday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 67. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
High: 67 °F
Partly Sunny

 Chance
T-storms then
Heavy Rain
 Chance
T-storms
 Showers

 Showers

 Slight Chance
Showers
 Mostly Sunny

 Partly Cloudy

 Chance
Showers

 

Today
 
 Partly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 61. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday
 
 A chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 62. South 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 74. Southwest wind 10 to 15 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 before 1am. Partly cloudy, with a low around 48. North northwest wind 5 to 10 mph.
Thursday
 
 Mostly sunny, with a high near 67. North wind 5 to 10 mph.
Thursday Night
 
 Partly cloudy, with a low around 44. North wind around 5 mph becoming calm in the evening.
Friday
 
 A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 67. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
Friday Night
 
 A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 44.
Saturday
 
 Mostly sunny, with a high near 66.
Saturday Night
 
 Partly cloudy, with a low around 40.
Sunday
 
 Sunny, with a high near 69.

 

Forecast from NOAA-NWS for Watertown TN.