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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Jun 25, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 62. Calm wind.
Low: 62 °F		 Thursday

Thursday: Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.
High: 88 °F		 Thursday
Night
Thursday Night: Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph.
Low: 68 °F		 Friday

Friday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
High: 89 °F		 Friday
Night
Friday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 5 to 10 mph. Chance of precipitation is 30%.
Low: 73 °F		 Saturday

Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
High: 90 °F		 Saturday
Night
Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Low: 71 °F		 Sunday

Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 93. West wind around 5 mph.
High: 93 °F		 Sunday
Night
Sunday Night: Clear, with a low around 73. Calm wind.
Low: 73 °F
Mostly Cloudy

 Sunny

 Partly Cloudy

 Chance
T-storms

 Slight Chance
T-storms then
Chance
Showers
 Showers
Likely

 Chance
T-storms

 Slight Chance
T-storms

 Clear

 

Overnight
 
 Mostly cloudy, with a low around 62. Calm wind.
Thursday
 
 Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
 
 Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph.
Friday
 
 A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
 
 A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday
 
 A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
 
 A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Sunday
 
 A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 93. West wind around 5 mph.
Sunday Night
 
 Clear, with a low around 73. Calm wind.
Monday
 
 Sunny, with a high near 94.
Monday Night
 
 Clear, with a low around 74.
Tuesday
 
 Sunny, with a high near 96.
Tuesday Night
 
 Clear, with a low around 75.
Wednesday
 
 Sunny, with a high near 96.

 

Forecast from NOAA-NWS for Watertown TN.