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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:16 pm CDT May 15, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 62. South wind around 5 mph.
Low: 62 °F		 Saturday

Saturday: Mostly sunny, with a high near 87. South southwest wind around 10 mph, with gusts as high as 20 mph.
High: 87 °F		 Saturday
Night
Saturday Night: Partly cloudy, with a low around 63. South wind around 5 mph becoming calm after midnight.
Low: 63 °F		 Sunday

Sunday: Sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph.
High: 91 °F		 Sunday
Night
Sunday Night: Mostly clear, with a low around 67. South wind 5 to 10 mph.
Low: 67 °F		 Monday

Monday: Sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph.
High: 91 °F		 Monday
Night
Monday Night: Partly cloudy, with a low around 69. South wind 5 to 10 mph.
Low: 69 °F		 Tuesday

Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
High: 89 °F		 Tuesday
Night
Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 70%.
Low: 66 °F
Mostly Cloudy

 Mostly Sunny

 Partly Cloudy

 Sunny

 Mostly Clear

 Sunny

 Partly Cloudy

 Slight Chance
Showers then
Chance
T-storms
 Showers
Likely

 

Tonight
 
 Mostly cloudy, with a low around 62. South wind around 5 mph.
Saturday
 
 Mostly sunny, with a high near 87. South southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
 
 Partly cloudy, with a low around 63. South wind around 5 mph becoming calm after midnight.
Sunday
 
 Sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
 
 Mostly clear, with a low around 67. South wind 5 to 10 mph.
Monday
 
 Sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
 
 Partly cloudy, with a low around 69. South wind 5 to 10 mph.
Tuesday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 70%.
Wednesday
 
 Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Wednesday Night
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Thursday
 
 A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Thursday Night
 
 A 20 percent chance of showers. Mostly cloudy, with a low around 60.
Friday
 
 A 30 percent chance of showers. Partly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Watertown TN.