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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 7:31 am CDT May 6, 2026
 
Today

Today: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Cloudy, with a high near 66. North northwest wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
High: 66 °F
Tonight

Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am.  Cloudy, with a low around 49. North wind around 5 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Low: 49 °F
Thursday

Thursday: Cloudy through mid morning, then gradual clearing, with a high near 67. North wind 5 to 10 mph.
High: 67 °F
Thursday
Night
Thursday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 43. North northwest wind around 5 mph becoming calm.
Low: 43 °F
Friday

Friday: Sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.
High: 72 °F
Friday
Night
Friday Night: Partly cloudy, with a low around 52. South southwest wind around 5 mph.
Low: 52 °F
Saturday

Saturday: Sunny, with a high near 79. West southwest wind around 5 mph.
High: 79 °F
Saturday
Night
Saturday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 58. Calm wind becoming south around 5 mph after midnight.
Low: 58 °F
Sunday

Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 78. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.
High: 78 °F
Showers
Likely
Chance
Showers
Becoming
Sunny
Mostly Clear
then Patchy
Fog
Sunny

Partly Cloudy

Sunny

Partly Cloudy
then Chance
Showers
Showers
Likely

 

Today
 
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, with a high near 66. North northwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Cloudy, with a low around 49. North wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
Cloudy through mid morning, then gradual clearing, with a high near 67. North wind 5 to 10 mph.
Thursday Night
 
Patchy fog after 4am. Otherwise, mostly clear, with a low around 43. North northwest wind around 5 mph becoming calm.
Friday
 
Sunny, with a high near 72. 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
 
Sunny, with a high near 79. West southwest wind around 5 mph.
Saturday Night
 
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 58. Calm wind becoming south around 5 mph after midnight.
Sunday
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Monday
 
A 20 percent chance of showers. Mostly sunny, with a high near 69.
Monday Night
 
Mostly clear, with a low around 45.
Tuesday
 
Sunny, with a high near 73.

 

Forecast from NOAA-NWS for Watertown TN.