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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT Jul 9, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 89. Southwest wind around 5 mph.
High: 89 °F		 Tonight

Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South southwest wind around 5 mph.
Low: 71 °F		 Friday

Friday: Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. High near 88. 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: 88 °F		 Friday
Night
Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 71. South southwest wind around 5 mph. Chance of precipitation is 80%.
Low: 71 °F		 Saturday

Saturday: Showers and possibly a thunderstorm. High near 86. West southwest wind 5 to 10 mph. Chance of precipitation is 90%.
High: 86 °F		 Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm. Patchy fog before midnight, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm. Chance of precipitation is 70%.
Low: 68 °F		 Sunday

Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
High: 85 °F		 Sunday
Night
Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 68. North northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Low: 68 °F		 Monday

Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
High: 85 °F
Sunny

 Partly Cloudy
then Chance
T-storms
 Showers

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

 Chance
Showers then
Showers
Likely

Flood Watch
 

This Afternoon
 
 Sunny, with a high near 89. Southwest wind around 5 mph.
Tonight
 
 A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South southwest wind around 5 mph.
Friday
 
 Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. High near 88. 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
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 71. South southwest wind around 5 mph. Chance of precipitation is 80%.
Saturday
 
 Showers and possibly a thunderstorm. High near 86. West southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Saturday Night
 
 Showers likely and possibly a thunderstorm. Patchy fog before midnight, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm. Chance of precipitation is 70%.
Sunday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
 
 A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 68. North northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68.
Tuesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
 
 Mostly clear, with a low around 68.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Watertown TN.