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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Apr 16, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 63. South southwest wind 5 to 10 mph.
Low: 63 °F		 Thursday

Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. West southwest wind around 10 mph, with gusts as high as 20 mph. 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		 Thursday
Night
Thursday Night: A 50 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Low: 58 °F		 Friday

Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 85. Calm wind becoming south southwest around 5 mph in the afternoon.
High: 85 °F		 Friday
Night
Friday Night: Partly cloudy, with a low around 66. South wind around 5 mph.
Low: 66 °F		 Saturday

Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
High: 82 °F		 Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Low: 43 °F		 Sunday

Sunday: A 20 percent chance of showers before 1pm. Sunny, with a high near 64. North wind around 10 mph, with gusts as high as 20 mph.
High: 64 °F		 Sunday
Night
Sunday Night: Clear, with a low around 40. North northwest wind around 5 mph becoming northeast after midnight.
Low: 40 °F
Partly Cloudy

 Slight Chance
T-storms then
Showers
Likely
 Chance
T-storms then
Slight Chance
T-storms
 Mostly Sunny
then Slight
Chance
Showers
 Partly Cloudy

 Slight Chance
Showers then
Showers
Likely
 Showers
Likely

 Slight Chance
Showers

 Clear

 

Overnight
 
 Partly cloudy, with a low around 63. South southwest wind 5 to 10 mph.
Thursday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 A 50 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
 A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 85. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
 
 Partly cloudy, with a low around 66. South wind around 5 mph.
Saturday
 
 A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday
 
 A 20 percent chance of showers before 1pm. Sunny, with a high near 64. North wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
 
 Clear, with a low around 40. North northwest wind around 5 mph becoming northeast after midnight.
Monday
 
 Sunny, with a high near 70.
Monday Night
 
 Mostly clear, with a low around 45.
Tuesday
 
 Mostly sunny, with a high near 76.
Tuesday Night
 
 Partly cloudy, with a low around 52.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.

 

Forecast from NOAA-NWS for Watertown TN.