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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Apr 24, 2026
 
Overnight

Overnight: Mostly clear, with a low around 60. South wind around 5 mph.
Low: 60 °F		 Friday

Friday: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
High: 83 °F		 Friday
Night
Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 60. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Low: 60 °F		 Saturday

Saturday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 77. South wind around 5 mph becoming north in the afternoon. Chance of precipitation is 80%.
High: 77 °F		 Saturday
Night
Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 55. North northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Low: 55 °F		 Sunday

Sunday: Mostly sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon.
High: 79 °F		 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming southeast after midnight.
Low: 56 °F		 Monday

Monday: A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 81. South wind 5 to 15 mph, with gusts as high as 20 mph.
High: 81 °F		 Monday
Night
Monday Night: Showers and possibly a thunderstorm. Low around 62. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Low: 62 °F
Mostly Clear

 Sunny then
Slight Chance
T-storms
 Showers

 Showers

 Slight Chance
T-storms then
Partly Cloudy
 Mostly Sunny

 Mostly Cloudy

 Chance
Showers
 Showers
Likely then
Showers

 

Overnight
 
 Mostly clear, with a low around 60. South wind around 5 mph.
Friday
 
 A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 60. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 77. South wind around 5 mph becoming north in the afternoon. Chance of precipitation is 80%.
Saturday Night
 
 A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 55. North northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
 
 Mostly sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
 
 Mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming southeast after midnight.
Monday
 
 A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 81. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
 
 Showers and possibly a thunderstorm. Low around 62. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Tuesday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Tuesday Night
 
 Showers and thunderstorms likely. Partly cloudy, with a low around 58. Chance of precipitation is 60%.
Wednesday
 
 A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Wednesday Night
 
 A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Thursday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.

 

Forecast from NOAA-NWS for Watertown TN.