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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 2:01 am CDT Jul 10, 2026
 
Overnight

Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind around 5 mph.
Low: 71 °F		 Friday

Friday: Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 87. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
High: 87 °F		 Friday
Night
Friday Night: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Low around 70. South southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Low: 70 °F		 Saturday

Saturday: Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 86. West southwest wind around 5 mph. Chance of precipitation is 80%.
High: 86 °F		 Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%.
Low: 69 °F		 Sunday

Sunday: 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. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
High: 85 °F		 Sunday
Night
Sunday Night: A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. North northwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Low: 68 °F		 Monday

Monday: Showers and thunderstorms likely, mainly after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%.
High: 85 °F		 Monday
Night
Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm.
Low: 68 °F
Chance
T-storms

 Showers


 Showers


 Showers
Likely then
T-storms

 Showers
Likely and
Patchy Fog

 Showers
Likely and
Patchy Fog

 Chance
T-storms then
Chance
Showers and
Patchy Fog
 Chance
T-storms and
Patchy Fog
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Likely
 Slight Chance
T-storms

Flood Watch
 

Overnight
 
 A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind around 5 mph.
Friday
 
 Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 87. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
 
 Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Low around 70. South southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
 
 Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 86. West southwest wind around 5 mph. Chance of precipitation is 80%.
Saturday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%.
Sunday
 
 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. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
 
 A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. North northwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday
 
 Showers and thunderstorms likely, mainly after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm.
Tuesday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Tuesday Night
 
 Partly cloudy, with a low around 68.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
 
 Mostly clear, with a low around 71.
Thursday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

 

Forecast from NOAA-NWS for Watertown TN.