Skip to main content.
National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 10:41 am CDT Oct 5, 2026
 
Today

Today: Sunny, with a high near 79. Northeast wind around 10 mph, with gusts as high as 20 mph.
High: 79 °F
Tonight

Tonight: Clear, with a low around 46. Northeast wind around 5 mph.
Low: 46 °F
Tuesday

Tuesday: Sunny, with a high near 83. East northeast wind around 5 mph becoming calm.
High: 83 °F
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 51. Calm wind becoming south around 5 mph.
Low: 51 °F
Wednesday

Wednesday: Sunny, with a high near 85. South wind around 5 mph becoming west southwest in the afternoon.
High: 85 °F
Wednesday
Night
Wednesday Night: Patchy fog after 4am.  Otherwise, clear, with a low around 51. Calm wind.
Low: 51 °F
Thursday

Thursday: Areas of fog before 8am.  Otherwise, sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon.
High: 86 °F
Thursday
Night
Thursday Night: Clear, with a low around 50. North northeast wind around 5 mph becoming calm.
Low: 50 °F
Friday

Friday: Sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
High: 86 °F
Sunny
Clear
Sunny
Mostly Clear
Sunny
Clear then
Patchy Fog
Areas Fog
then Sunny
Clear
Sunny

 

Today
 
Sunny, with a high near 79. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
 
Clear, with a low around 46. Northeast wind around 5 mph.
Tuesday
 
Sunny, with a high near 83. East northeast wind around 5 mph becoming calm.
Tuesday Night
 
Mostly clear, with a low around 51. Calm wind becoming south around 5 mph.
Wednesday
 
Sunny, with a high near 85. South wind around 5 mph becoming west southwest in the afternoon.
Wednesday Night
 
Patchy fog after 4am. Otherwise, clear, with a low around 51. Calm wind.
Thursday
 
Areas of fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
 
Clear, with a low around 50. North northeast wind around 5 mph becoming calm.
Friday
 
Sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
 
Partly cloudy, with a low around 53.
Saturday
 
A 20 percent chance of showers. Mostly sunny, with a high near 85.
Saturday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Sunday
 
A 40 percent chance of showers. Partly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Watertown TN.