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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:26 am CDT May 29, 2026
 
Today

Today: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 83. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
High: 83 °F		 Tonight

Tonight: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers after 4am. Patchy fog before 11pm, then patchy fog after 3am. Low around 65. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Low: 65 °F		 Saturday

Saturday: A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog between 8am and 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 80 °F		 Saturday
Night
Saturday Night: Partly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Low: 62 °F		 Sunday

Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Calm wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 60%.
High: 80 °F		 Sunday
Night
Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 5 mph becoming calm.
Low: 63 °F		 Monday

Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind around 5 mph becoming north northwest in the afternoon.
High: 82 °F		 Monday
Night
Monday Night: A 40 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 61. North wind around 5 mph becoming calm.
Low: 61 °F		 Tuesday

Tuesday: Sunny, with a high near 80. North northeast wind 5 to 10 mph.
High: 80 °F
T-storms

 Showers and
Patchy Fog

 Showers
Likely and
Areas Fog
 Partly Cloudy

 Chance
Showers then
Showers
Likely
 Chance
T-storms then
Chance
Showers
 Chance
Showers then
Chance
T-storms
 Chance
Showers

 Sunny

 

Today
 
 Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 83. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
 Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers after 4am. Patchy fog before 11pm, then patchy fog after 3am. Low around 65. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
 
 A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog between 8am and 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
 Partly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Sunday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Calm wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 60%.
Sunday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 5 mph becoming calm.
Monday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind around 5 mph becoming north northwest in the afternoon.
Monday Night
 
 A 40 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 61. North wind around 5 mph becoming calm.
Tuesday
 
 Sunny, with a high near 80. North northeast wind 5 to 10 mph.
Tuesday Night
 
 Mostly clear, with a low around 57.
Wednesday
 
 Sunny, with a high near 80.
Wednesday Night
 
 Mostly clear, with a low around 58.
Thursday
 
 Mostly sunny, with a high near 82.

 

Forecast from NOAA-NWS for Watertown TN.