Skip to main content.
National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 7:16 pm CST Nov 5, 2026
 
Tonight

Tonight: Areas of fog.  Otherwise, mostly clear, with a low around 41. Calm wind.
Low: 41 °F
Friday

Friday: Areas of fog before 7am.  Otherwise, increasing clouds, with a high near 63. Light and variable wind becoming northwest 5 to 10 mph in the morning.
High: 63 °F
Friday
Night
Friday Night: Patchy frost after 3am.  Otherwise, mostly cloudy, with a low around 34. North wind 5 to 10 mph.
Low: 34 °F
Saturday

Saturday: Sunny, with a high near 57. North wind 5 to 10 mph.
High: 57 °F
Saturday
Night
Saturday Night: Patchy fog after 11pm.  Otherwise, mostly clear, with a low around 30. North wind around 5 mph becoming calm.
Low: 30 °F
Sunday

Sunday: Areas of fog before 9am.  Otherwise, sunny, with a high near 61. Calm wind becoming north around 5 mph.
High: 61 °F
Sunday
Night
Sunday Night: Clear, with a low around 29. Calm wind.
Low: 29 °F
Monday

Monday: Sunny, with a high near 65. Calm wind.
High: 65 °F
Monday
Night
Monday Night: Mostly clear, with a low around 31. Calm wind.
Low: 31 °F
Areas Fog

Areas Fog
then Mostly
Cloudy
Mostly Cloudy
then Patchy
Frost
Sunny

Patchy Fog

Areas Fog
then Sunny
Clear

Sunny

Mostly Clear

 

Tonight
 
Areas of fog. Otherwise, mostly clear, with a low around 41. Calm wind.
Friday
 
Areas of fog before 7am. Otherwise, increasing clouds, with a high near 63. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Friday Night
 
Patchy frost after 3am. Otherwise, mostly cloudy, with a low around 34. North wind 5 to 10 mph.
Saturday
 
Sunny, with a high near 57. North wind 5 to 10 mph.
Saturday Night
 
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 30. North wind around 5 mph becoming calm.
Sunday
 
Areas of fog before 9am. Otherwise, sunny, with a high near 61. Calm wind becoming north around 5 mph.
Sunday Night
 
Clear, with a low around 29. Calm wind.
Monday
 
Sunny, with a high near 65. Calm wind.
Monday Night
 
Mostly clear, with a low around 31. Calm wind.
Tuesday
 
Sunny, with a high near 66.
Tuesday Night
 
Mostly clear, with a low around 32.
Veterans Day
 
Sunny, with a high near 65.
Wednesday Night
 
Partly cloudy, with a low around 33.
Thursday
 
Sunny, with a high near 63.

 

Forecast from NOAA-NWS for Watertown TN.