Skip to main content.
National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 7:56 pm CDT May 5, 2026
 
Tonight

Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am.  Steady temperature around 65. South southwest wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Low: 65 °F
Wednesday

Wednesday: Showers and possibly a thunderstorm.  High near 70. West southwest wind around 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
High: 70 °F
Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 11pm, then showers likely.  Low around 50. North northeast wind around 5 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Low: 50 °F
Thursday

Thursday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 66. North wind around 10 mph.
High: 66 °F
Thursday
Night
Thursday Night: Partly cloudy, with a low around 42. North northwest wind around 5 mph becoming calm  in the evening.
Low: 42 °F
Friday

Friday: Sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.
High: 71 °F
Friday
Night
Friday Night: Partly cloudy, with a low around 52. South southwest wind around 5 mph.
Low: 52 °F
Saturday

Saturday: Mostly sunny, with a high near 78. West wind around 5 mph.
High: 78 °F
Saturday
Night
Saturday Night: Mostly clear, with a low around 56. Calm wind becoming south around 5 mph.
Low: 56 °F
Showers

Showers

Showers then
Chance
Showers
Slight Chance
Showers
Partly Cloudy

Sunny

Partly Cloudy

Mostly Sunny

Mostly Clear

 

Tonight
 
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Steady temperature around 65. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
Showers and possibly a thunderstorm. High near 70. West southwest wind around 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 50. North northeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
 
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 66. North wind around 10 mph.
Thursday Night
 
Partly cloudy, with a low around 42. North northwest wind around 5 mph becoming calm in the evening.
Friday
 
Sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
 
Partly cloudy, with a low around 52. South southwest wind around 5 mph.
Saturday
 
Mostly sunny, with a high near 78. West wind around 5 mph.
Saturday Night
 
Mostly clear, with a low around 56. Calm wind becoming south around 5 mph.
Sunday
 
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Sunday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Monday
 
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Monday Night
 
Mostly clear, with a low around 46.
Tuesday
 
Sunny, with a high near 73.

 

Forecast from NOAA-NWS for Watertown TN.