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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Oct 9, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 53. East wind around 5 mph.
Low: 53 °F		 Friday

Friday: Partly sunny, with a high near 85. East wind 5 to 10 mph.
High: 85 °F		 Friday
Night
Friday Night: A 10 percent chance of showers after 5am. Cloudy, with a low around 59. East southeast wind around 5 mph.
Low: 59 °F		 Saturday

Saturday: Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 72. East wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
High: 72 °F		 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 59. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Low: 59 °F		 Sunday

Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 71. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
High: 71 °F		 Sunday
Night
Sunday Night: Partly cloudy, with a low around 54. West southwest wind around 5 mph.
Low: 54 °F		 Columbus
Day
Columbus Day: Sunny, with a high near 83. West wind 5 to 10 mph.
High: 83 °F		 Monday
Night
Monday Night: Mostly clear, with a low around 57. Calm wind becoming south southwest around 5 mph.
Low: 57 °F
Mostly Cloudy

 Partly Sunny

 Cloudy then
Slight Chance
Showers
 Showers

 Showers

 Chance
Showers
 Partly Cloudy

 Sunny

 Mostly Clear

 

Overnight
 
 Mostly cloudy, with a low around 53. East wind around 5 mph.
Friday
 
 Partly sunny, with a high near 85. East wind 5 to 10 mph.
Friday Night
 
 A 10 percent chance of showers after 5am. Cloudy, with a low around 59. East southeast wind around 5 mph.
Saturday
 
 Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 72. East wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Saturday Night
 
 Showers and possibly a thunderstorm before 4am, then showers likely. Low around 59. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Sunday
 
 A 50 percent chance of showers. Mostly cloudy, with a high near 71. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
 
 Partly cloudy, with a low around 54. West southwest wind around 5 mph.
Columbus Day
 
 Sunny, with a high near 83. West wind 5 to 10 mph.
Monday Night
 
 Mostly clear, with a low around 57. Calm wind becoming south southwest around 5 mph.
Tuesday
 
 Sunny, with a high near 87.
Tuesday Night
 
 Mostly clear, with a low around 59.
Wednesday
 
 Sunny, with a high near 85.
Wednesday Night
 
 Mostly clear, with a low around 58.
Thursday
 
 Sunny, with a high near 86.

 

Forecast from NOAA-NWS for Watertown TN.