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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:17 pm CDT Apr 23, 2026
 
Tonight

Tonight: Mostly clear, with a low around 60. South wind around 5 mph.
Low: 60 °F
Friday

Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
High: 82 °F
Friday
Night
Friday Night: Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am.  Low around 60. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Low: 60 °F
Saturday

Saturday: Showers likely before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 78. South southwest wind around 5 mph becoming north in the afternoon.  Chance of precipitation is 70%.
High: 78 °F
Saturday
Night
Saturday Night: Mostly clear, with a low around 54. North northeast wind around 5 mph becoming calm.
Low: 54 °F
Sunday

Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 80. Calm wind becoming east around 5 mph in the morning.
High: 80 °F
Sunday
Night
Sunday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 58. Southeast wind around 5 mph.
Low: 58 °F
Monday

Monday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.
High: 82 °F
Monday
Night
Monday Night: Showers and possibly a thunderstorm.  Low around 62. South wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.
Low: 62 °F
Mostly Clear

Sunny then
Slight Chance
T-storms
Showers

Showers
Likely

Mostly Clear

Mostly Sunny
then Slight
Chance
T-storms
Slight Chance
Showers

Chance
Showers

Showers

 

Tonight
 
Mostly clear, with a low around 60. South wind around 5 mph.
Friday
 
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
 
Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 60. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
 
Showers likely before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy through mid morning, then gradual clearing, with a high near 78. South southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 70%.
Saturday Night
 
Mostly clear, with a low around 54. North northeast wind around 5 mph becoming calm.
Sunday
 
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Calm wind becoming east around 5 mph in the morning.
Sunday Night
 
A 20 percent chance of showers. Mostly cloudy, with a low around 58. Southeast wind around 5 mph.
Monday
 
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
 
Showers and possibly a thunderstorm. Low around 62. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Tuesday
 
A 40 percent chance of showers. Partly sunny, with a high near 81.
Tuesday Night
 
A 50 percent chance of showers. Partly cloudy, with a low around 56.
Wednesday
 
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Wednesday Night
 
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Thursday
 
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.

 

Forecast from NOAA-NWS for Watertown TN.