Skip to main content.
National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 7:51 am CDT Sep 25, 2026
 
Today

Today: Sunny, with a high near 80. North wind 5 to 10 mph.
High: 80 °F		 Tonight

Tonight: Mostly clear, with a low around 52. Northeast wind around 5 mph.
Low: 52 °F		 Saturday

Saturday: Mostly sunny, with a high near 79. Calm wind becoming north northeast around 5 mph in the afternoon.
High: 79 °F		 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 52. North northeast wind around 5 mph becoming calm in the evening.
Low: 52 °F		 Sunday

Sunday: Mostly sunny, with a high near 80. Light north northeast wind becoming north 5 to 10 mph in the afternoon.
High: 80 °F		 Sunday
Night
Sunday Night: Mostly clear, with a low around 51. North wind around 5 mph becoming calm in the evening.
Low: 51 °F		 Monday

Monday: Patchy fog before 7am. Otherwise, sunny, with a high near 82. Calm wind becoming north northeast around 5 mph in the afternoon.
High: 82 °F		 Monday
Night
Monday Night: Clear, with a low around 52. Calm wind.
Low: 52 °F		 Tuesday

Tuesday: Sunny, with a high near 86. Calm wind becoming south southwest around 5 mph.
High: 86 °F
Sunny
 Mostly Clear
 Mostly Sunny
 Mostly Cloudy
 Mostly Sunny
 Mostly Clear
 Patchy Fog
then Sunny
 Clear
 Sunny

 

Today
 
 Sunny, with a high near 80. North wind 5 to 10 mph.
Tonight
 
 Mostly clear, with a low around 52. Northeast wind around 5 mph.
Saturday
 
 Mostly sunny, with a high near 79. Calm wind becoming north northeast around 5 mph in the afternoon.
Saturday Night
 
 Mostly cloudy, with a low around 52. North northeast wind around 5 mph becoming calm in the evening.
Sunday
 
 Mostly sunny, with a high near 80. Light north northeast wind becoming north 5 to 10 mph in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 51. North wind around 5 mph becoming calm in the evening.
Monday
 
 Patchy fog before 7am. Otherwise, sunny, with a high near 82. Calm wind becoming north northeast around 5 mph in the afternoon.
Monday Night
 
 Clear, with a low around 52. Calm wind.
Tuesday
 
 Sunny, with a high near 86. Calm wind becoming south southwest around 5 mph.
Tuesday Night
 
 Partly cloudy, with a low around 61.
Wednesday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 88.
Wednesday Night
 
 A 20 percent chance of showers. Mostly cloudy, with a low around 66.
Thursday
 
 A 30 percent chance of showers. Partly sunny, with a high near 87.

 

Forecast from NOAA-NWS for Watertown TN.