Skip to main content.
National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Oct 3, 2026
 
Overnight

Overnight: A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 63. North northeast wind around 5 mph.
Low: 63 °F		 Saturday

Saturday: A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 1pm. Mostly cloudy, with a high near 77. North northeast wind around 5 mph. Chance of precipitation is 30%.
High: 77 °F		 Saturday
Night
Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Low: 61 °F		 Sunday

Sunday: A 30 percent chance of showers and thunderstorms, mainly between 8am and 9am. Patchy fog before 8am. Otherwise, cloudy, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.
High: 77 °F		 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 51. North wind around 5 mph.
Low: 51 °F		 Monday

Monday: Sunny, with a high near 77. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
High: 77 °F		 Monday
Night
Monday Night: Clear, with a low around 45. North northeast wind 5 to 10 mph.
Low: 45 °F		 Tuesday

Tuesday: Sunny, with a high near 79. Northeast wind around 5 mph.
High: 79 °F		 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 47. Northeast wind around 5 mph becoming calm in the evening.
Low: 47 °F
Chance
Showers

 Chance
Showers

 Mostly Cloudy
then Chance
Showers and
Patchy Fog
 Chance
Showers and
Patchy Fog
then Cloudy
 Mostly Cloudy

 Sunny

 Clear

 Sunny

 Mostly Clear

 

Overnight
 
 A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 63. North northeast wind around 5 mph.
Saturday
 
 A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 1pm. Mostly cloudy, with a high near 77. North northeast wind around 5 mph. Chance of precipitation is 30%.
Saturday Night
 
 A 30 percent chance of showers and thunderstorms, mainly after 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Sunday
 
 A 30 percent chance of showers and thunderstorms, mainly between 8am and 9am. Patchy fog before 8am. Otherwise, cloudy, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
 
 Mostly cloudy, with a low around 51. North wind around 5 mph.
Monday
 
 Sunny, with a high near 77. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
 
 Clear, with a low around 45. North northeast wind 5 to 10 mph.
Tuesday
 
 Sunny, with a high near 79. Northeast wind around 5 mph.
Tuesday Night
 
 Mostly clear, with a low around 47. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
 
 Sunny, with a high near 80.
Wednesday Night
 
 Clear, with a low around 46.
Thursday
 
 Sunny, with a high near 83.
Thursday Night
 
 Mostly clear, with a low around 47.
Friday
 
 Sunny, with a high near 84.

 

Forecast from NOAA-NWS for Watertown TN.